74AHCT2G126 [NXP]
Dual buffer/line driver; 3-state; 双缓冲/线路驱动器;三态
| 型号： | 74AHCT2G126 |
| 厂家： | 
NXP |
| 描述： | Dual buffer/line driver; 3-state |
| 文件： | 总20页 (文件大小：100K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
74AHC2G126; 74AHCT2G126
Dual buffer/line driver; 3-state
Rev. 02 — 21 September 2004
Product data sheet
1. General description
The 74AHC2G126; AHCT2G126 is a high-speed Si-gate CMOS device.
The 74AHC2G126; AHCT2G126 provides a dual non-inverting buffer/line driver with
3-state output. The 3-state output is controlled by the output enable input (OE). A LOW at
pin nOE causes the output to assume a high-impedance OFF-state.
2. Features
■ Symmetrical output impedance
■ High noise immunity
■ ESD protection:
◆ HBM EIA/JESD22-A114-B exceeds 2000 V
◆ MM EIA/JESD22-A115-A exceeds 200 V
◆ CDM EIA/JESD22-C101 exceeds 1000 V.
■ Low power dissipation
■ Balanced propagation delays
■ Multiple package options
■ Specified from −40 °C to +85 °C and from −40 °C to +125 °C.
3. Quick reference data
Table 1:
Quick reference data
GND = 0 V; Tamb = 25 °C; tr = tf ≤ 3.0 ns.
Symbol
Parameter
Conditions
Min Typ Max Unit
Type 74AHC2G126
tPHL, tPLH
propagation delay
CL = 15 pF; VCC = 5 V
-
3.4
5.5
ns
nA to nY
CI
input capacitance
-
-
1.5
10
10
-
pF
pF
[1] [2]
CPD
power dissipation
capacitance
CL = 50 pF; fi = 1 MHz
74AHC2G126; 74AHCT2G126
Philips Semiconductors
Dual buffer/line driver; 3-state
Table 1:
Quick reference data …continued
GND = 0 V; Tamb = 25 °C; tr = tf ≤ 3.0 ns.
Symbol
Parameter
Conditions
Min Typ Max Unit
Type 74AHCT2G126
tPHL, tPLH
propagation delay
CL = 15 pF; VCC = 5 V
-
3.4
5.5
ns
nA to nY
CI
input capacitance
-
-
1.5
10
10
-
pF
pF
[1] [2]
CPD
power dissipation
capacitance
CL = 50 pF; fi = 1 MHz
[1] CPD is used to determine the dynamic power dissipation (PD in µW).
PD = CPD × VCC2 × fi × N + Σ(CL × VCC2 × fo) where:
fi = input frequency in MHz;
fo = output frequency in MHz;
CL = output load capacitance in pF;
VCC = supply voltage in Volts;
N = total load switching outputs;
Σ(CL × VCC2 × fo) = sum of the outputs.
[2] The condition is VI = GND to VCC
.
4. Ordering information
Table 2:
Ordering information
Type number
Package
Temperature range Name
Description
Version
74AHC2G126DP
74AHCT2G126DP
74AHC2G126DC
74AHCT2G126DC
74AHC2G126GM
74AHCT2G126GM
−40 °C to +125 °C
−40 °C to +125 °C
−40 °C to +125 °C
−40 °C to +125 °C
−40 °C to +125 °C
−40 °C to +125 °C
TSSOP8
plastic thin shrink small outline package; 8 leads; SOT505-2
body width 3 mm; lead length 0.5 mm
TSSOP8
VSSOP8
VSSOP8
XSON8
plastic thin shrink small outline package; 8 leads; SOT505-2
body width 3 mm; lead length 0.5 mm
plastic very thin shrink small outline package;
8 leads; body width 2.3 mm
SOT765-1
SOT765-1
SOT833-1
SOT833-1
plastic very thin shrink small outline package;
8 leads; body width 2.3 mm
plastic extremely thin small outline package;
no leads; 8 terminals; body 0.95 × 1.95 × 0.5 mm
XSON8
plastic extremely thin small outline package;
no leads; 8 terminals; body 0.95 × 1.95 × 0.5 mm
9397 750 13736
© Koninklijke Philips Electronics N.V. 2004. All rights reserved.
Product data sheet
Rev. 02 — 21 September 2004
2 of 20
74AHC2G126; 74AHCT2G126
Philips Semiconductors
Dual buffer/line driver; 3-state
5. Marking
Table 3:
Marking
Type number
Marking code
74AHC2G126DP
74AHCT2G126DP
74AHC2G126DC
74AHCT2G126DC
74AHC2G126GM
74AHCT2G126GM
A26
C26
A26
C26
A26
C26
6. Functional diagram
2
1Y
1A
6
2
1
5
7
6
3
1
1
5
EN1
1OE
2A
2Y
3
7
2OE
mna947
mna946
Fig 1. Logic symbol.
Fig 2. IEC logic symbol.
Y
A
OE
mna127
Fig 3. Logic diagram.
9397 750 13736
© Koninklijke Philips Electronics N.V. 2004. All rights reserved.
Product data sheet
Rev. 02 — 21 September 2004
3 of 20
74AHC2G126; 74AHCT2G126
Philips Semiconductors
Dual buffer/line driver; 3-state
7. Pinning information
7.1 Pinning
126
1OE
1A
1
2
3
4
8
7
6
5
V
CC
1
2
3
4
8
7
6
5
1OE
1A
V
CC
2OE
1Y
2OE
1Y
126
2Y
2Y
GND
2A
001aab648
GND
2A
001aab647
Transparent top view
Fig 4. Pin configuration TSSOP8 and
VSSOP8.
Fig 5. Pin configuration XSON8.
7.2 Pin description
Table 4:
Pin description
Symbol
1OE
1A
Pin
1
Description
output enable input (active HIGH)
data input
2
2Y
3
data output
GND
2A
4
ground (0 V)
5
data input
1Y
6
data output
2OE
VCC
7
output enable input (active HIGH)
supply voltage
8
9397 750 13736
© Koninklijke Philips Electronics N.V. 2004. All rights reserved.
Product data sheet
Rev. 02 — 21 September 2004
4 of 20
74AHC2G126; 74AHCT2G126
Philips Semiconductors
Dual buffer/line driver; 3-state
8. Functional description
8.1 Function table
Table 5:
Function table[1]
Input
nOE
H
Output
nA
L
nY
L
H
H
H
Z
L
X
[1] H = HIGH voltage level;
L = LOW voltage level;
X = don’t care;
Z = high-impedance OFF-state.
9. Limiting values
Table 6:
Limiting values
In accordance with the Absolute Maximum Rating System (IEC 60134). Voltages are referenced to
GND (ground = 0 V).
Symbol Parameter
Conditions
Min
Max
+7.0
+7.0
−20
±20
±25
Unit
V
VCC
VI
supply voltage
input voltage
−0.5
−0.5
V
IIK
input diode current
VI < −0.5 V
-
-
-
mA
mA
mA
[1]
IOK
IO
output diode current VO < −0.5 V or VO > VCC + 0.5 V
output source or sink VO > −0.5 V or VO < VCC + 0.5 V
current
ICC, IGND VCC or GND current
-
±75
mA
°C
Tstg
Ptot
storage temperature
power dissipation
−65
+150
250
Tamb = −40 °C to +125 °C
-
mW
[1] The input and output voltage ratings may be exceeded if the input and output current ratings are observed.
10. Recommended operating conditions
Table 7:
Symbol
Type 74AHC2G126
Recommended operating conditions
Parameter Conditions
Min
Typ
Max
Unit
VCC
VI
supply voltage
2.0
0
5.0
5.5
5.5
VCC
V
V
V
input voltage
-
VO
output voltage
0
-
Tamb
operating ambient see Section 11 and
−40
+25
+125 °C
temperature
Section 12 per device
VCC = 3.3 V ± 0.3 V
VCC = 5.0 V ± 0.5 V
tr, tf
input rise and fall
times
-
-
-
-
100
20
ns/V
ns/V
9397 750 13736
© Koninklijke Philips Electronics N.V. 2004. All rights reserved.
Product data sheet
Rev. 02 — 21 September 2004
5 of 20
74AHC2G126; 74AHCT2G126
Philips Semiconductors
Dual buffer/line driver; 3-state
Table 7:
Symbol
Recommended operating conditions …continued
Parameter
Conditions
Min
Typ
Max
Unit
Type 74AHCT2G126
VCC
VI
supply voltage
input voltage
output voltage
4.5
0
5.0
5.5
5.5
VCC
V
V
V
-
VO
0
-
Tamb
operating ambient see Section 11 and
−40
+25
+125 °C
temperature
Section 12 per device
tr, tf
input rise and fall
times
VCC = 5.0 V ± 0.5 V
-
-
20 ns/V
11. Static characteristics
Table 8:
Static characteristics type 74AHC2G126
At recommended operating conditions; voltages are referenced to GND (ground = 0 V).
Symbol
Tamb = 25 °C
VIH
Parameter
Conditions
Min
Typ
Max
Unit
HIGH-level input
voltage
VCC = 2.0 V
1.5
-
-
-
-
-
-
-
V
V
V
V
V
V
VCC = 3.0 V
2.1
-
VCC = 5.5 V
3.85
-
VIL
LOW-level input
voltage
VCC = 2.0 V
-
-
-
0.5
0.9
1.65
VCC = 3.0 V
VCC = 5.5 V
VOH
HIGH-level output
voltage
VI = VIH or VIL
IO = −50 µA; VCC = 2.0 V
IO = −50 µA; VCC = 3.0 V
IO = −50 µA; VCC = 4.5 V
IO = −4.0 mA; VCC = 3.0 V
IO = −8.0 mA; VCC = 4.5 V
VI = VIH or VIL
1.9
2.0
3.0
4.5
-
-
-
-
-
-
V
V
V
V
V
2.9
4.4
2.58
3.94
-
VOL
LOW-level output
voltage
IO = 50 µA; VCC = 2.0 V
IO = 50 µA; VCC = 3.0 V
IO = 50 µA; VCC = 4.5 V
IO = 4.0 mA; VCC = 3.0 V
IO = 8.0 mA; VCC = 4.5 V
VI = VCC or GND; VCC = 5.5 V
-
-
-
-
-
-
0
0
0
-
0.1
V
0.1
V
0.1
V
0.36
0.36
0.25
V
-
V
IOZ
ILI
3-state OFF-state
current
-
µA
input leakage
current
VI = VCC or GND; VCC = 5.5 V
VI = VCC or GND; IO = 0 A;
-
-
-
-
0.1
1.0
10
µA
µA
pF
ICC
CI
quiescent supply
current
-
VCC = 5.5 V
input capacitance
1.5
9397 750 13736
© Koninklijke Philips Electronics N.V. 2004. All rights reserved.
Product data sheet
Rev. 02 — 21 September 2004
6 of 20
74AHC2G126; 74AHCT2G126
Philips Semiconductors
Dual buffer/line driver; 3-state
Table 8:
Static characteristics type 74AHC2G126 …continued
At recommended operating conditions; voltages are referenced to GND (ground = 0 V).
Symbol
Tamb = −40 °C to +85 °C
VIH HIGH-level input
Parameter
Conditions
Min
Typ
Max
Unit
VCC = 2.0 V
1.5
-
-
-
-
-
-
-
V
V
V
V
V
V
voltage
VCC = 3.0 V
2.1
-
VCC = 5.5 V
3.85
-
VIL
LOW-level input
voltage
VCC = 2.0 V
-
-
-
0.5
0.9
1.65
VCC = 3.0 V
VCC = 5.5 V
VOH
HIGH-level output
voltage
VI = VIH or VIL
IO = −50 µA; VCC = 2.0 V
IO = −50 µA; VCC = 3.0 V
IO = −50 µA; VCC = 4.5 V
IO = −4.0 mA; VCC = 3.0 V
IO = −8.0 mA; VCC = 4.5 V
VI = VIH or VIL
1.9
2.9
4.4
2.48
3.8
-
-
-
-
-
-
-
-
-
-
V
V
V
V
V
VOL
LOW-level output
voltage
IO = 50 µA; VCC = 2.0 V
IO = 50 µA; VCC = 3.0 V
IO = 50 µA; VCC = 4.5 V
IO = 4.0 mA; VCC = 3.0 V
IO = 8.0 mA; VCC = 4.5 V
VI = VCC or GND; VCC = 5.5 V
-
-
-
-
-
-
-
-
-
-
-
-
0.1
V
0.1
V
0.1
V
0.44
0.44
2.5
V
V
IOZ
ILI
3-state OFF-state
current
µA
input leakage
current
VI = VCC or GND; VCC = 5.5 V
VI = VCC or GND; IO = 0 A;
-
-
-
-
-
-
1.0
10
10
µA
µA
pF
ICC
quiescent supply
current
VCC = 5.5 V
CI
input capacitance
Tamb = −40 °C to +125 °C
VIH
HIGH-level input
voltage
VCC = 2.0 V
1.5
-
-
-
-
-
-
-
V
V
V
V
V
V
VCC = 3.0 V
2.1
-
VCC = 5.5 V
3.85
-
VIL
LOW-level input
voltage
VCC = 2.0 V
-
-
-
0.5
0.9
1.65
VCC = 3.0 V
VCC = 5.5 V
VOH
HIGH-level output
voltage
VI = VIH or VIL
IO = −50 µA; VCC = 2.0 V
IO = −50 µA; VCC = 3.0 V
IO = −50 µA; VCC = 4.5 V
IO = −4.0 mA; VCC = 3.0 V
IO = −8.0 mA; VCC = 4.5 V
1.9
-
-
-
-
-
-
-
-
-
-
V
V
V
V
V
2.9
4.4
2.40
3.70
9397 750 13736
© Koninklijke Philips Electronics N.V. 2004. All rights reserved.
Product data sheet
Rev. 02 — 21 September 2004
7 of 20
74AHC2G126; 74AHCT2G126
Philips Semiconductors
Dual buffer/line driver; 3-state
Table 8:
Static characteristics type 74AHC2G126 …continued
At recommended operating conditions; voltages are referenced to GND (ground = 0 V).
Symbol
Parameter
Conditions
Min
Typ
Max
Unit
VOL
LOW-level output
voltage
VI = VIH or VIL
IO = 50 µA; VCC = 2.0 V
IO = 50 µA; VCC = 3.0 V
IO = 50 µA; VCC = 4.5 V
IO = 4.0 mA; VCC = 3.0 V
IO = 8.0 mA; VCC = 4.5 V
VI = VCC or GND; VCC = 5.5 V
-
-
-
-
-
-
-
-
-
-
-
-
0.1
0.1
V
V
0.1
V
0.55
0.55
10
V
V
IOZ
ILI
3-state OFF-state
current
µA
input leakage
current
VI = VCC or GND; VCC = 5.5 V
VI = VCC or GND; IO = 0 A;
-
-
-
-
-
-
2.0
40
10
µA
µA
pF
ICC
quiescent supply
current
VCC = 5.5 V
CI
input capacitance
Table 9:
Static characteristics type 74AHCT2G126
At recommended operating conditions; voltages are referenced to GND (ground = 0 V).
Symbol
Tamb = 25 °C
VIH
Parameter
Conditions
Min
Typ
Max
Unit
HIGH-level input
voltage
VCC = 4.5 V to 5.5 V
VCC = 4.5 V to 5.5 V
2.0
-
-
-
-
V
V
VIL
LOW-level input
voltage
0.8
VOH
HIGH-level output
voltage
VI = VIH or VIL
IO = −50 µA; VCC = 4.5 V
IO = −8.0 mA; VCC = 4.5 V
VI = VIH or VIL
4.4
4.5
-
4.5
-
V
V
3.94
VOL
LOW-level output
voltage
IO = 50 µA; VCC = 4.5 V
IO = 8.0 mA; VCC = 4.5 V
VI = VCC or GND; VCC = 5.5 V
-
-
-
0
-
0.1
V
0.36
0.25
V
IOZ
ILI
ICC
∆ICC
3-state OFF-state
current
-
µA
input leakage
current
VI = VIH or VIL; VCC = 5.5 V
VI = VCC or GND; IO = 0 A;
-
-
-
-
-
-
0.1
µA
µA
mA
quiescent supply
current
1.0
VCC = 5.5 V
additional quiescent VI = 3.4 V; other inputs at VCC or
1.35
supply current per
input pin
GND; IO = 0 A; VCC = 5.5 V
CI
input capacitance
-
1.5
10
pF
Tamb = −40 °C to +85 °C
VIH
HIGH-level input
voltage
VCC = 4.5 V to 5.5 V
VCC = 4.5 V to 5.5 V
2.0
-
-
-
-
V
V
VIL
LOW-level input
voltage
0.8
9397 750 13736
© Koninklijke Philips Electronics N.V. 2004. All rights reserved.
Product data sheet
Rev. 02 — 21 September 2004
8 of 20
74AHC2G126; 74AHCT2G126
Philips Semiconductors
Dual buffer/line driver; 3-state
Table 9:
Static characteristics type 74AHCT2G126 …continued
At recommended operating conditions; voltages are referenced to GND (ground = 0 V).
Symbol
Parameter
Conditions
Min
Typ
Max
Unit
VOH
HIGH-level output
voltage
VI = VIH or VIL
IO = −50 µA; VCC = 4.5 V
IO = −8.0 mA; VCC = 4.5 V
VI = VIH or VIL
4.4
3.8
-
-
-
-
V
V
VOL
LOW-level output
voltage
IO = 50 µA; VCC = 4.5 V
IO = 8.0 mA; VCC = 4.5 V
VI = VCC or GND; VCC = 5.5 V
-
-
-
-
-
-
0.1
V
0.44
2.5
V
IOZ
ILI
ICC
∆ICC
3-state OFF-state
current
µA
input leakage
current
VI = VIH or VIL; VCC = 5.5 V
VI = VCC or GND; IO = 0 A;
-
-
-
-
-
-
1.0
10
µA
µA
mA
quiescent supply
current
VCC = 5.5V
additional quiescent VI = 3.4 V; other inputs at VCC or
1.5
supply current per
input pin
GND; IO = 0 A; VCC = 5.5 V
CI
input capacitance
-
-
10
pF
Tamb = −40 °C to +125 °C
VIH
HIGH-level input
voltage
VCC = 4.5 V to 5.5 V
VCC = 4.5 V to 5.5 V
2.0
-
-
-
-
V
V
VIL
LOW-level input
voltage
0.8
VOH
HIGH-level output
voltage
VI = VIH or VIL
IO = −50 µA; VCC = 4.5 V
IO = −8.0 mA; VCC = 4.5 V
VI = VIH or VIL
4.4
-
-
-
-
V
V
3.70
VOL
LOW-level output
voltage
IO = 50 µA; VCC = 4.5 V
IO = 8.0 mA; VCC = 4.5 V
VI = VCC or GND; VCC = 5.5 V
-
-
-
-
-
-
0.1
0.55
10
V
V
IOZ
ILI
ICC
∆ICC
3-state OFF-state
current
µA
input leakage
current
VI = VIH or VIL; VCC = 5.5 V
VI = VCC or GND; IO = 0 A;
-
-
-
-
-
-
2.0
40
µA
µA
mA
quiescent supply
current
VCC = 5.5 V
additional quiescent VI = 3.4 V; other inputs at VCC or
1.5
supply current per
input pin
GND; IO = 0 A; VCC = 5.5 V
CI
input capacitance
-
-
10
pF
9397 750 13736
© Koninklijke Philips Electronics N.V. 2004. All rights reserved.
Product data sheet
Rev. 02 — 21 September 2004
9 of 20
74AHC2G126; 74AHCT2G126
Philips Semiconductors
Dual buffer/line driver; 3-state
12. Dynamic characteristics
Table 10: Dynamic characteristics type 74AHC2G126
GND = 0 V; tr = tf ≤ 3.0 ns; see Figure 8.
Symbol
Parameter
Test conditions
Min
Typ
Max
Unit
Tamb = 25 °C
tPHL, tPLH
propagation delay
nA to nY
see Figure 6
[1]
[2]
[1]
[2]
VCC = 3.0 V to 3.6 V; CL = 15 pF
VCC = 4.5 V to 5.5 V; CL = 15 pF
VCC = 3.0 V to 3.6 V; CL = 50 pF
VCC = 4.5 V to 5.5 V; CL = 50 pF
see Figure 7
-
-
-
-
4.7
3.4
6.6
4.8
8.0
5.5
11.5
7.5
ns
ns
ns
ns
tPZH, tPZL
tPHZ, tPLZ
CPD
propagation delay
nOE to nY
[1]
[2]
[1]
[2]
VCC = 3.0 V to 3.6 V; CL = 15 pF
VCC = 4.5 V to 5.5 V; CL = 15 pF
VCC = 3.0 V to 3.6 V; CL = 50 pF
VCC = 4.5 V to 5.5 V; CL = 50 pF
see Figure 7; CL = 15 pF
-
-
-
-
5.0
3.6
6.9
4.9
8.0
5.1
11.5
7.5
ns
ns
ns
ns
propagation delay
nOE to nY
[1]
[2]
VCC = 3.0 V to 3.6 V; CL = 15 pF
VCC = 4.5 V to 5.5 V; CL = 15 pF
VCC = 3.0 V to 3.6 V; CL = 50 pF
VCC = 4.5 V to 5.5 V; CL = 50 pF
CL = 50 pF; fi = 1 MHz
-
-
-
-
-
6.0
4.1
8.3
5.7
10
9.7
6.8
13.2
8.8
-
ns
ns
ns
ns
pF
[1]
[2]
[3] [4]
power dissipation
capacitance
Tamb = −40 °C to +85 °C
tPHL, tPLH
tPZH, tPZL
tPHZ, tPLZ
propagation delay
nA to nY
see Figure 6
VCC = 3.0 V to 3.6 V; CL = 15 pF
VCC = 4.5 V to 5.5 V; CL = 15 pF
VCC = 3.0 V to 3.6 V; CL = 50 pF
VCC = 4.5 V to 5.5 V; CL = 50 pF
see Figure 7
1.0
1.0
1.0
1.0
-
-
-
-
9.5
6.5
13.0
8.5
ns
ns
ns
ns
propagation delay
nOE to nY
VCC = 3.0 V to 3.6 V; CL = 15 pF
VCC = 4.5 V to 5.5 V; CL = 15 pF
VCC = 3.0 V to 3.6 V; CL = 50 pF
VCC = 4.5 V to 5.5 V; CL = 50 pF
see Figure 7; CL = 15 pF
1.0
1.0
1.0
1.0
-
-
-
-
9.5
6.0
13.0
9.0
ns
ns
ns
ns
propagation delay
nOE to nY
VCC = 3.0 V to 3.6 V; CL = 15 pF
VCC = 4.5 V to 5.5 V; CL = 15 pF
VCC = 3.0 V to 3.6 V; CL = 50 pF
VCC = 4.5 V to 5.5 V; CL = 50 pF
1.0
1.0
1.0
1.0
-
-
-
-
11.5
8.0
ns
ns
ns
ns
15.0
10.0
9397 750 13736
© Koninklijke Philips Electronics N.V. 2004. All rights reserved.
Product data sheet
Rev. 02 — 21 September 2004
10 of 20
74AHC2G126; 74AHCT2G126
Philips Semiconductors
Dual buffer/line driver; 3-state
Table 10: Dynamic characteristics type 74AHC2G126 …continued
GND = 0 V; tr = tf ≤ 3.0 ns; see Figure 8.
Symbol
Parameter
Test conditions
Min
Typ
Max
Unit
Tamb = −40 °C to +125 °C
tPHL, tPLH
tPZH, tPZL
tPHZ, tPLZ
propagation delay
nA to nY
see Figure 6
VCC = 3.0 V to 3.6 V; CL = 15 pF
VCC = 4.5 V to 5.5 V; CL = 15 pF
VCC = 3.0 V to 3.6 V; CL = 50 pF
VCC = 4.5 V to 5.5 V; CL = 50 pF
see Figure 7
1.0
1.0
1.0
1.0
-
-
-
-
11.5
7.0
ns
ns
ns
ns
14.5
9.5
propagation delay
nOE to nY
VCC = 3.0 V to 3.6 V; CL = 15 pF
VCC = 4.5 V to 5.5 V; CL = 15 pF
VCC = 3.0 V to 3.6 V; CL = 50 pF
VCC = 4.5 V to 5.5 V; CL = 50 pF
see Figure 7; CL = 15 pF
1.0
1.0
1.0
1.0
-
-
-
-
11.5
6.5
ns
ns
ns
ns
14.5
9.5
propagation delay
nOE to nY
VCC = 3.0 V to 3.6 V; CL = 15 pF
VCC = 4.5 V to 5.5 V; CL = 15 pF
VCC = 3.0 V to 3.6 V; CL = 50 pF
VCC = 4.5 V to 5.5 V; CL = 50 pF
1.0
1.0
1.0
1.0
-
-
-
-
12.5
8.5
ns
ns
ns
ns
16.5
11.0
[1] Typical values are measured at VCC = 3.3 V.
[2] Typical values are measured at VCC = 5.0 V.
[3] CPD is used to determine the dynamic power dissipation (PD in µW).
PD = CPD × VCC2 × fi × N + Σ(CL × VCC2 × fo) where:
fi = input frequency in MHz;
fo = output frequency in MHz;
CL = output load capacitance in pF;
VCC = supply voltage in Volts;
N = total load switching outputs;
Σ(CL × VCC2 × fo) = sum of the outputs.
[4] The condition is VI = GND to VCC
.
Table 11: Dynamic characteristics type 74AHCT2G126
GND = 0 V; tr = tf ≤ 3.0 ns; VCC = 4.5 V to 5.5 V; see Figure 8
Symbol
Parameter
Test conditions
Min
Typ
Max
Unit
Tamb = 25 °C[1]
tPHL, tPLH
tPZH, tPZL
tPHZ, tPLZ
propagation delay
nA to nY
see Figure 6
CL = 15 pF
CL = 50 pF
see Figure 7
CL = 15 pF
CL = 50 pF
see Figure 7
CL = 15 pF
CL = 50 pF
-
-
3.4
4.8
5.5
7.5
ns
ns
propagation delay
nOE to nY
-
-
3.9
5.1
5.1
7.5
ns
ns
propagation delay
nOE to nY
-
-
4.5
6.1
6.8
8.8
ns
ns
9397 750 13736
© Koninklijke Philips Electronics N.V. 2004. All rights reserved.
Product data sheet
Rev. 02 — 21 September 2004
11 of 20
74AHC2G126; 74AHCT2G126
Philips Semiconductors
Dual buffer/line driver; 3-state
Table 11: Dynamic characteristics type 74AHCT2G126 …continued
GND = 0 V; tr = tf ≤ 3.0 ns; VCC = 4.5 V to 5.5 V; see Figure 8
Symbol
Parameter
Test conditions
Min
Typ
Max
Unit
[2] [3]
CPD
power dissipation
capacitance
CL = 50 pF; fi = 1 MHz
-
10
-
pF
Tamb = −40 °C to +85 °C
tPHL, tPLH
tPZH, tPZL
tPHZ, tPLZ
propagation delay
nA to nY
see Figure 6
CL = 15 pF
CL = 50 pF
see Figure 7
CL = 15 pF
CL = 50 pF
see Figure 7
CL = 15 pF
CL = 50 pF
1.0
1.0
-
-
6.5
8.5
ns
ns
propagation delay
nOE to nY
1.0
1.0
-
-
6.0
9.0
ns
ns
propagation delay
nOE to nY
1.0
1.0
-
-
8.0
ns
ns
10.0
Tamb = −40 °C to +125 °C
tPHL, tPLH
tPZH, tPZL
tPHZ, tPLZ
propagation delay
nA to nY
see Figure 6
CL = 15 pF
CL = 50 pF
see Figure 7
CL = 15 pF
CL = 50 pF
see Figure 7
CL = 15 pF
CL = 50 pF
1.0
1.0
-
-
7.0
9.5
ns
ns
propagation delay
nOE to nY
1.0
1.0
-
-
6.5
9.5
ns
ns
propagation delay
nOE to nY
1.0
1.0
-
-
8.5
ns
ns
11.0
[1] Typical values are measured at VCC = 5.0 V.
[2] CPD is used to determine the dynamic power dissipation (PD in µW).
PD = CPD × VCC2 × fi × N + Σ(CL × VCC2 × fo) where:
fi = input frequency in MHz;
fo = output frequency in MHz;
CL = output load capacitance in pF;
VCC = supply voltage in Volts;
N = total load switching outputs;
Σ(CL × VCC2 × fo) = sum of the outputs.
[3] The condition is VI = GND to VCC
.
9397 750 13736
© Koninklijke Philips Electronics N.V. 2004. All rights reserved.
Product data sheet
Rev. 02 — 21 September 2004
12 of 20
74AHC2G126; 74AHCT2G126
Philips Semiconductors
Dual buffer/line driver; 3-state
13. Waveforms
V
I
V
nA input
M
GND
t
t
PHL
PLH
V
OH
V
nY output
M
V
mna230
OL
Measurement points are given in Table 12.
Fig 6. The input (nA) to output (nY) propagation delays.
Table 12: Measurement points
Type
Input
VI
Output
VM
VM
VX
VY
74AHC2G126
74AHCT2G126
GND to VCC 50 % VCC
GND to 3.0 V 1.5 V
50 % VCC
50 % VCC
VOL + 0.3 V
VOL + 0.3 V
V
OL − 0.3 V
OL − 0.3 V
V
V
I
nOE input
V
M
t
GND
t
PLZ
PZL
V
CC
output
LOW-to-OFF
OFF-to-LOW
V
M
V
X
V
OL
t
t
PZH
PHZ
V
OH
V
Y
output
V
HIGH-to-OFF
OFF-to-HIGH
M
GND
outputs
enabled
outputs
enabled
outputs
disabled
mna949
Measurement points are given in Table 12.
Fig 7. The 3-state enable and disable times.
9397 750 13736
© Koninklijke Philips Electronics N.V. 2004. All rights reserved.
Product data sheet
Rev. 02 — 21 September 2004
13 of 20
74AHC2G126; 74AHCT2G126
Philips Semiconductors
Dual buffer/line driver; 3-state
S
1
V
CC
open
GND
V
CC
R
L =
1000 Ω
V
V
O
I
PULSE
GENERATOR
D.U.T.
C
R
T
L
mna232
Switch positions:
tPLH, tPHL: open
tPLZ, tPZL: VCC
tPHZ, tPZH: GND
Definitions for test circuit:
CL = Load capacitance including jig and probe capacitance (see Section 12 for the value).
RL = Load resistor.
RT = Termination resistance should be equal to the output impedance Zo of the pulse
generator.
Fig 8. Load circuitry for switching times.
9397 750 13736
© Koninklijke Philips Electronics N.V. 2004. All rights reserved.
Product data sheet
Rev. 02 — 21 September 2004
14 of 20
74AHC2G126; 74AHCT2G126
Philips Semiconductors
Dual buffer/line driver; 3-state
14. Package outline
TSSOP8: plastic thin shrink small outline package; 8 leads; body width 3 mm; lead length 0.5 mm
SOT505-2
D
E
A
X
c
H
v
M
y
A
E
Z
5
8
A
2
A
(A )
3
A
1
pin 1 index
θ
L
p
L
detail X
1
4
e
w
M
b
p
0
2.5
5 mm
scale
DIMENSIONS (mm are the original dimensions)
A
(1)
(1)
(1)
A
A
A
b
c
D
E
e
H
E
L
L
p
UNIT
v
w
y
Z
θ
1
2
3
p
max.
0.15
0.00
0.95
0.75
0.38
0.22
0.18
0.08
3.1
2.9
3.1
2.9
4.1
3.9
0.47
0.33
0.70
0.35
8°
0°
mm
1.1
0.65
0.25
0.5
0.2
0.13
0.1
Note
1. Plastic or metal protrusions of 0.15 mm maximum per side are not included.
REFERENCES
OUTLINE
EUROPEAN
PROJECTION
ISSUE DATE
VERSION
IEC
JEDEC
JEITA
02-01-16
SOT505-2
- - -
Fig 9. Package outline SOT505-2 (TSSOP8).
9397 750 13736
© Koninklijke Philips Electronics N.V. 2004. All rights reserved.
Product data sheet
Rev. 02 — 21 September 2004
15 of 20
74AHC2G126; 74AHCT2G126
Philips Semiconductors
Dual buffer/line driver; 3-state
VSSOP8: plastic very thin shrink small outline package; 8 leads; body width 2.3 mm
SOT765-1
D
E
A
X
c
y
H
v
M
A
E
Z
5
8
Q
A
2
A
A
1
(A )
3
pin 1 index
θ
L
p
L
detail X
1
4
e
w
M
b
p
0
2.5
5 mm
scale
DIMENSIONS (mm are the original dimensions)
A
(1)
(2)
(1)
A
A
A
b
c
D
E
e
H
L
L
p
Q
UNIT
v
w
y
Z
θ
1
2
3
p
E
max.
0.15
0.00
0.85
0.60
0.27
0.17
0.23
0.08
2.1
1.9
2.4
2.2
3.2
3.0
0.40
0.15
0.21
0.19
0.4
0.1
8°
0°
mm
1
0.5
0.12
0.4
0.2
0.13
0.1
Notes
1. Plastic or metal protrusions of 0.15 mm maximum per side are not included.
2. Plastic or metal protrusions of 0.25 mm maximum per side are not included.
REFERENCES
OUTLINE
EUROPEAN
PROJECTION
ISSUE DATE
VERSION
IEC
JEDEC
JEITA
02-06-07
SOT765-1
MO-187
Fig 10. Package outline SOT765-1 (VSSOP8).
9397 750 13736
© Koninklijke Philips Electronics N.V. 2004. All rights reserved.
Product data sheet
Rev. 02 — 21 September 2004
16 of 20
74AHC2G126; 74AHCT2G126
Philips Semiconductors
Dual buffer/line driver; 3-state
XSON8: plastic extremely thin small outline package; no leads; 8 terminals; body 0.95 x 1.95 x 0.5 mm
SOT833-1
b
1
2
3
4
4×
(2)
L
L
1
e
8
7
6
5
e
1
e
1
e
1
8×
(2)
A
A
1
D
E
terminal 1
index area
0
1
2 mm
scale
DIMENSIONS (mm are the original dimensions)
(1)
A
A
1
UNIT
b
D
E
e
e
L
L
1
1
max max
0.25
0.17
2.0
1.9
1.0
0.9
0.35 0.40
0.27 0.32
mm
0.5 0.04
0.6
0.5
Notes
1. Including plating thickness.
2. Can be visible in some manufacturing processes.
REFERENCES
OUTLINE
VERSION
EUROPEAN
PROJECTION
ISSUE DATE
IEC
JEDEC
JEITA
- - -
04-07-15
04-07-22
SOT833-1
- - -
MO-252
Fig 11. Package outline SOT833-1 (XSON8).
9397 750 13736
© Koninklijke Philips Electronics N.V. 2004. All rights reserved.
Product data sheet
Rev. 02 — 21 September 2004
17 of 20
74AHC2G126; 74AHCT2G126
Philips Semiconductors
Dual buffer/line driver; 3-state
15. Revision history
Table 13: Revision history
Document ID
Release date Data sheet status Change
Order number
Supersedes
notice
74AHC_AHCT2G126_2 20040921
Product data sheet
-
9397 750 13736 74AHC_AHCT2G126_1
Modification:
• Addition of SOT833-1 and Ordering information.
74AHC_AHCT2G126_1 20040304
Product data sheet
-
9397 750 12698
-
9397 750 13736
© Koninklijke Philips Electronics N.V. 2004. All rights reserved.
Product data sheet
Rev. 02 — 21 September 2004
18 of 20
74AHC2G126; 74AHCT2G126
Philips Semiconductors
Dual buffer/line driver; 3-state
16. Data sheet status
Level Data sheet status[1] Product status[2] [3]
Definition
I
Objective data
Development
This data sheet contains data from the objective specification for product development. Philips
Semiconductors reserves the right to change the specification in any manner without notice.
II
Preliminary data
Qualification
This data sheet contains data from the preliminary specification. Supplementary data will be published
at a later date. Philips Semiconductors reserves the right to change the specification without notice, in
order to improve the design and supply the best possible product.
III
Product data
Production
This data sheet contains data from the product specification. Philips Semiconductors reserves the
right to make changes at any time in order to improve the design, manufacturing and supply. Relevant
changes will be communicated via a Customer Product/Process Change Notification (CPCN).
[1]
[2]
Please consult the most recently issued data sheet before initiating or completing a design.
The product status of the device(s) described in this data sheet may have changed since this data sheet was published. The latest information is available on the Internet at
URL http://www.semiconductors.philips.com.
[3]
For data sheets describing multiple type numbers, the highest-level product status determines the data sheet status.
17. Definitions
18. Disclaimers
Short-form specification — The data in a short-form specification is
extracted from a full data sheet with the same type number and title. For
detailed information see the relevant data sheet or data handbook.
Life support — These products are not designed for use in life support
appliances, devices, or systems where malfunction of these products can
reasonably be expected to result in personal injury. Philips Semiconductors
customers using or selling these products for use in such applications do so
at their own risk and agree to fully indemnify Philips Semiconductors for any
damages resulting from such application.
Limiting values definition — Limiting values given are in accordance with
the Absolute Maximum Rating System (IEC 60134). Stress above one or
more of the limiting values may cause permanent damage to the device.
These are stress ratings only and operation of the device at these or at any
other conditions above those given in the Characteristics sections of the
specification is not implied. Exposure to limiting values for extended periods
may affect device reliability.
Right to make changes — Philips Semiconductors reserves the right to
make changes in the products - including circuits, standard cells, and/or
software - described or contained herein in order to improve design and/or
performance. When the product is in full production (status ‘Production’),
relevant changes will be communicated via a Customer Product/Process
Change Notification (CPCN). Philips Semiconductors assumes no
responsibility or liability for the use of any of these products, conveys no
license or title under any patent, copyright, or mask work right to these
products, and makes no representations or warranties that these products are
free from patent, copyright, or mask work right infringement, unless otherwise
specified.
Application information — Applications that are described herein for any
of these products are for illustrative purposes only. Philips Semiconductors
make no representation or warranty that such applications will be suitable for
the specified use without further testing or modification.
19. Contact information
For additional information, please visit: http://www.semiconductors.philips.com
For sales office addresses, send an email to: sales.addresses@www.semiconductors.philips.com
9397 750 13736
© Koninklijke Philips Electronics N.V. 2004. All rights reserved.
Product data sheet
Rev. 02 — 21 September 2004
19 of 20
74AHC2G126; 74AHCT2G126
Philips Semiconductors
Dual buffer/line driver; 3-state
20. Contents
1
2
3
4
5
6
General description . . . . . . . . . . . . . . . . . . . . . . 1
Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Quick reference data . . . . . . . . . . . . . . . . . . . . . 1
Ordering information. . . . . . . . . . . . . . . . . . . . . 2
Marking . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Functional diagram . . . . . . . . . . . . . . . . . . . . . . 3
7
7.1
7.2
Pinning information. . . . . . . . . . . . . . . . . . . . . . 4
Pinning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Pin description . . . . . . . . . . . . . . . . . . . . . . . . . 4
8
8.1
9
Functional description . . . . . . . . . . . . . . . . . . . 5
Function table . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Limiting values. . . . . . . . . . . . . . . . . . . . . . . . . . 5
Recommended operating conditions. . . . . . . . 5
Static characteristics. . . . . . . . . . . . . . . . . . . . . 6
Dynamic characteristics . . . . . . . . . . . . . . . . . 10
Waveforms . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Package outline . . . . . . . . . . . . . . . . . . . . . . . . 15
Revision history. . . . . . . . . . . . . . . . . . . . . . . . 18
Data sheet status . . . . . . . . . . . . . . . . . . . . . . . 19
Definitions . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Disclaimers. . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Contact information . . . . . . . . . . . . . . . . . . . . 19
10
11
12
13
14
15
16
17
18
19
© Koninklijke Philips Electronics N.V. 2004
All rights are reserved. Reproduction in whole or in part is prohibited without the prior
written consent of the copyright owner. The information presented in this document does
not form part of any quotation or contract, is believed to be accurate and reliable and may
be changed without notice. No liability will be accepted by the publisher for any
consequence of its use. Publication thereof does not convey nor imply any license under
patent- or other industrial or intellectual property rights.
Date of release: 21 September 2004
Document number: 9397 750 13736
Published in The Netherlands
相关型号：
74AHCT2G126DP-Q100
AHCT/VHCT/VT SERIES, DUAL 1-BIT DRIVER, TRUE OUTPUT, PDSO8, 3 MM, PLASTIC, SOT505-2, TSSOP-8
NXP
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