74LVT2244D [NEXPERIA]
3.3 V octal buffer/line driver with 30 Ω termination resistors; 3-stateProduction;型号: | 74LVT2244D |
厂家: | Nexperia |
描述: | 3.3 V octal buffer/line driver with 30 Ω termination resistors; 3-stateProduction 驱动 信息通信管理 光电二极管 逻辑集成电路 |
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74LVT2244
3.3 V octal buffer/line driver with 30 Ω termination resistors;
3-state
Rev. 4 — 17 May 2021
Product data sheet
1. General description
The 74LVT2244 is an 8-bit buffer/line driver with 3-state outputs. The device can be used as
two 4-bit buffers or one 8-bit buffer. The device features two output enables (1OE and 2OE),
each controlling four of the 3-state outputs. A HIGH on nOE causes the outputs to assume a
high-impedance OFF-state. Bus hold data inputs eliminate the need for external pull-up resistors to
define unused inputs
The 74LVT2244 is designed with 30 Ω series resistance in both the HIGH and LOW states of the
output. This design reduces line noise in applications such as memory address drivers, clock
drivers, and bus receivers/transmitters.
2. Features and benefits
•
•
Octal bus interface
3-state buffers
•
•
•
•
•
•
•
•
•
•
•
•
Wide supply voltage range from 2.7 to 3.6 V
Overvoltage tolerant inputs to 5.5 V
BiCMOS high speed and output drive
Output capability: +12 mA and -12 mA
Direct interface with TTL levels
No bus current loading when output is tied to 5 V bus
Bus hold on data inputs
Power-up 3-state
IOFF circuitry provides partial Power-down mode operation
Live insertion and extraction permitted
Latch-up performance exceeds 500 mA per JESD 78 Class II Level B
ESD protection:
•
•
HBM JESD22-A114E exceeds 2000 V
MM JESD22-A115-A exceeds 200 V
3. Ordering information
Table 1. Ordering information
Type number Package
Temperature range Name
Description
Version
74LVT2244D
-40 °C to +85 °C
SO20
plastic small outline package; 20 leads; body width 7.5 mm SOT163-1
74LVT2244PW -40 °C to +85 °C
TSSOP20 plastic thin shrink small outline package; 20 leads;
body width 4.4 mm
SOT360-1
Nexperia
74LVT2244
3.3 V octal buffer/line driver with 30 Ω termination resistors; 3-state
4. Functional diagram
1Y0
1Y1
1Y2
1Y3
1A0
2
18
16
14
1A1
4
1A2
6
1A3
8
12
1
2
EN
1OE
1
18
16
14
12
4
6
8
2Y0
2Y1
2Y2
2Y3
2A0
11
9
7
5
3
2A1
13
19
11
EN
2A2
15
9
2A3
17
7
5
3
13
15
17
2OE
19
mna825
mna826
Fig. 1. Logic symbol
Fig. 2. IEC logic symbol
V
V
CC
CC
27 Ω
output
27 Ω
001aac372
Fig. 3. Output schematic (one output)
©
Nexperia B.V. 2021. All rights reserved
74LVT2244
All information provided in this document is subject to legal disclaimers.
Product data sheet
Rev. 4 — 17 May 2021
2 / 13
Nexperia
74LVT2244
3.3 V octal buffer/line driver with 30 Ω termination resistors; 3-state
5. Pinning information
5.1. Pinning
74LVT2244
1
2
20
19
18
17
16
15
14
13
12
11
1OE
1A0
2Y3
1A1
2Y2
1A2
2Y1
1A3
2Y0
V
CC
2OE
1Y0
2A3
1Y1
2A2
1Y2
2A1
1Y3
2A0
3
4
5
6
7
8
9
10
GND
aaa-024604
Fig. 4. Pin configuration SOT163-1 (SO20) and SOT360-1 (TSSOP20)
5.2. Pin description
Table 2. Pin description
Symbol
Pin
Description
1OE, 2OE
1, 19
output enable input (active low)
data input
1A0, 1A1, 1A2, 1A3
2Y0, 2Y1, 2Y2, 2Y3
GND
2, 4, 6, 8
9, 7, 5, 3
10
data output
ground (0 V)
2A0, 2A1, 2A2, 2A3
1Y0, 1Y1, 1Y2, 1Y3,
VCC
11, 13, 15, 17
18, 16, 14, 12
20
data input
data output
supply voltage
6. Functional description
Table 3. Function table
H = HIGH voltage level; L = LOW voltage level; X = don’t care; Z = high-impedance OFF-state.
Control
Input
nAn
L
Output
nOE
L
nYn
L
L
H
H
H
X
Z
©
74LVT2244
All information provided in this document is subject to legal disclaimers.
Nexperia B.V. 2021. All rights reserved
Product data sheet
Rev. 4 — 17 May 2021
3 / 13
Nexperia
74LVT2244
3.3 V octal buffer/line driver with 30 Ω termination resistors; 3-state
7. Limiting values
Table 4. Limiting values
In accordance with the Absolute Maximum Rating System (IEC 60134). Voltages are referenced to GND (ground = 0 V).
Symbol Parameter
Conditions
Min
-0.5
-0.5
-0.5
-50
-50
-
Max
+4.6
+7.0
+7.0
-
Unit
V
VCC
VI
supply voltage
input voltage
[1]
[1]
V
VO
IIK
output voltage
output in OFF-state or HIGH-state
VI < 0 V
V
input clamping current
output clamping current
output current
mA
mA
mA
mA
°C
IOK
IO
VO < 0 V
-
output in LOW-state
output in HIGH-state
128
-
-64
-65
-
Tstg
Tj
storage temperature
junction temperature
total power dissipation
+150
+150
500
[2]
°C
Ptot
Tamb = -40 to +85 °C
mW
[1] The input and output negative voltage ratings may be exceeded if the input and output clamp current ratings are observed.
[2] The performance capability of a high-performance integrated circuit in conjunction with its thermal environment can create junction
temperatures which are detrimental to reliability. The maximum junction temperature of this integrated circuit should not exceed
150 °C.
8. Recommended operating conditions
Table 5. Operating conditions
Symbol Parameter
Conditions
Min
Typ
Max
3.6
5.5
-12
12
Unit
V
VCC
VI
supply voltage
2.7
-
-
-
-
-
-
input voltage
0
V
IOH
HIGH-level output current
LOW-level output current
ambient temperature
input transition rise and fall rate
-
-
mA
mA
°C
IOL
Tamb
Δt/ΔV
in free-air
-40
-
+85
10
outputs enabled
ns/V
©
74LVT2244
All information provided in this document is subject to legal disclaimers.
Nexperia B.V. 2021. All rights reserved
Product data sheet
Rev. 4 — 17 May 2021
4 / 13
Nexperia
74LVT2244
3.3 V octal buffer/line driver with 30 Ω termination resistors; 3-state
9. Static characteristics
Table 6. Static characteristics
At recommended operating conditions; voltages are referenced to GND (ground = 0 V).
Symbol Parameter
Conditions
Tamb = -40 °C to +85 °C Unit
Min
-1.2
2.0
-
Typ [1] Max
VIK
VIH
VIL
VOH
VOL
II
input clamping voltage
VCC = 2.7 V; IIK = -18 mA
-0.9
-
-
V
V
V
V
V
HIGH-level input voltage
LOW-level input voltage
HIGH-level output voltage
LOW-level output voltage
input leakage current
-
-
0.8
-
VCC = 3.0 V; IOH = -12 mA
VCC = 3.0 V; IOL = 12 mA
all input pins
2.0
-
2.5
-
0.8
VCC = 0 V or 3.6 V; VI = 5.5 V
control pins
-
-
1
10
±1
μA
μA
VCC = 3.6 V; VI = VCC or GND
data pins
±0.1
[2]
[3]
VCC = 3.6 V; VI = VCC
VCC = 3.6 V; VI = 0 V
-
-5
-
0.1
-1
1
-
μA
μA
IOFF
IBHL
IBHH
IBHLO
power-off leakage current
bus hold LOW current
bus hold HIGH current
VCC = 0 V; VI or VO = 0 V to 4.5 V
VCC = 3 V; VI = 0.8 V
1
±100 μA
75
-
150
-150
-
-
-75
-
μA
μA
μA
VCC = 3 V; VI = 2.0 V
bus hold LOW overdrive
current
nAn input; VCC = 0 V to 3.6 V; VI = 3.6 V
500
IBHHO
IEX
bus hold HIGH overdrive
current
nAn input; VCC = 0 V to 3.6 V; VI = 3.6 V
-
-
-
-
-500 μA
125 μA
±100 μA
external current
nYn output in HIGH-state when VO > VCC
VO = 5.5 V; VCC = 3.0 V
;
60
±1
IO(pu/pd) power-up/power-down
output current
VCC ≤ 1.2 V; VO = 0.5 V to VCC
;
[4]
VI = GND or VCC; nOE = don’t care
VCC = 3.6 V; VI = VIH or VIL
VO = 3.0 V
IOZ
OFF-state output current
-
1
5
-
μA
μA
VO = 0.5 V
-5
-1
ICC
supply current
VCC = 3.6 V; VI = GND or VCC; IO = 0 A
output HIGH
-
-
-
-
0.12
3
0.19 mA
12 mA
0.19 mA
output LOW
outputs disabled
[5]
[6]
0.12
0.1
ΔICC
additional supply current
per input pin; VCC = 3.0 V to 3.6 V;
one input at VCC - 0.6 V and
other inputs at VCC or GND
0.2
mA
CI
input capacitance
output capacitance
VI = 0 V or 3.0 V
-
-
4
7
-
-
pF
pF
CO
outputs disabled; VO = 0 V or 3.0 V
[1] All typical values are at Tamb = 25 °C.
[2] Unused pins at VCC or GND.
[3] This is the bus hold overdrive current required to force the input to the opposite logic state.
[4] This parameter is valid for any VCC between 0 V and 1.2 V with a transition time of up to 10 ms. From
VCC = 1.2 V to VCC = 3.3 V ± 0.3 V a transition time of 100 μs is permitted. This parameter is valid for Tamb = 25 °C only.
[5] ICC is measured with outputs pulled to VCC or GND.
[6] This is the increase in supply current for each input at the specified voltage level other than VCC or GND.
©
74LVT2244
All information provided in this document is subject to legal disclaimers.
Nexperia B.V. 2021. All rights reserved
Product data sheet
Rev. 4 — 17 May 2021
5 / 13
Nexperia
74LVT2244
3.3 V octal buffer/line driver with 30 Ω termination resistors; 3-state
10. Dynamic characteristics
Table 7. Dynamic characteristics
Voltages are referenced to GND (ground = 0 V); for test circuit see Fig. 7.
Symbol Parameter
Conditions
Tamb = -40 °C to +85 °C
Typ [1]
Unit
Min
Max
tPLH
tPHL
tPZH
tPZL
tPHZ
tPLZ
LOW to HIGH
propagation delay
nAn to nYn; see Fig. 5
VCC = 2.7 V
-
-
5.3
4.4
ns
ns
VCC = 3.0 V to 3.6 V
nAn to nYn; see Fig. 5
VCC = 2.7 V
1
2.9
HIGH to LOW
propagation delay
-
-
4.4
4.1
ns
ns
VCC = 3.0 V to 3.6 V
nOE to nYn; see Fig. 6
VCC = 2.7 V
1
2.9
OFF-state to HIGH
propagation delay
-
-
7.7
5.9
ns
ns
VCC = 3.0 V to 3.6 V
nOE to nYn; see Fig. 6
VCC = 2.7 V
1
3.7
OFF-state to LOW
propagation delay
-
-
6.2
5.5
ns
ns
VCC = 3.0 V to 3.6 V
nOE to nYn; see Fig. 6
VCC = 2.7 V
1.1
3.7
HIGH to OFF-state
propagation delay
-
-
6.8
6.1
ns
ns
VCC = 3.0 V to 3.6 V
nOE to nYn; see Fig. 6
VCC = 2.7 V
1.9
4.3
LOW to OFF-state
propagation delay
-
-
4.5
4.5
ns
ns
VCC = 3.0 V to 3.6 V
1.8
3.3
[1] All typical values are at VCC = 3.3 V and Tamb = 25 °C.
©
74LVT2244
All information provided in this document is subject to legal disclaimers.
Nexperia B.V. 2021. All rights reserved
Product data sheet
Rev. 4 — 17 May 2021
6 / 13
Nexperia
74LVT2244
3.3 V octal buffer/line driver with 30 Ω termination resistors; 3-state
10.1. Waveforms and test circuit
V
I
nAn input
GND
V
V
M
M
t
t
PLH
PHL
V
OH
V
V
M
nYn output
M
V
OL
mna171
Measurement points are given in Table 8.
VOL and VOH are typical voltage output levels that occur with the output load.
Fig. 5. Propagation delay input (nAn) to output (nYn) propagation delays
V
I
nOE input
nYn output
nYn output
V
M
t
GND
3.0 V
t
PZL
PLZ
V
V
M
M
V
X
V
OL
t
t
PHZ
PZH
V
OH
V
Y
0 V
001aae464
Measurement points are given in Table 8.
VOL and VOH are typical voltage output levels that occur with the output load.
Fig. 6. 3-state output enable and disable times
Table 8. Measurement points
Input
VM
Output
VM
VX
VY
1.5 V
1.5 V
VOL + 0.3 V
VOH - 0.3 V
©
74LVT2244
All information provided in this document is subject to legal disclaimers.
Nexperia B.V. 2021. All rights reserved
Product data sheet
Rev. 4 — 17 May 2021
7 / 13
Nexperia
74LVT2244
3.3 V octal buffer/line driver with 30 Ω termination resistors; 3-state
t
W
V
I
90 %
negative
pulse
V
V
V
M
M
10 %
0 V
t
t
r
f
t
t
f
r
V
I
90 %
positive
pulse
V
M
M
10 %
0 V
t
W
V
EXT
R
V
DD
L
V
V
O
I
G
DUT
R
T
C
L
R
L
001aai546
Test data is given in Table 9.
Definitions test circuit:
RL = Load resistance.
CL = Load capacitance including jig and probe capacitance.
RT = Termination resistance should be equal to output impedance Zo of the pulse generator.
VEXT = Test voltage for switching times.
Fig. 7. Test circuit for measuring switching times
Table 9. Test data
Input
VI
Load
CL
VEXT
fi
tW
tr, tf
RL
tPHZ, tPZH
GND
tPLZ, tPZL
tPLH, tPHL
2.7 V
≤ 10 MHz
500 ns
≤ 2.5 ns
50 pF
500 Ω
6 V
open
©
74LVT2244
All information provided in this document is subject to legal disclaimers.
Nexperia B.V. 2021. All rights reserved
Product data sheet
Rev. 4 — 17 May 2021
8 / 13
Nexperia
74LVT2244
3.3 V octal buffer/line driver with 30 Ω termination resistors; 3-state
11. Package outline
SO20: plastic small outline package; 20 leads; body width 7.5 mm
SOT163-1
D
E
A
X
c
y
H
E
v
M
A
Z
20
11
Q
A
2
A
(A )
3
A
1
pin 1 index
θ
L
p
L
1
10
w
detail X
e
M
b
p
0
5
10 mm
scale
DIMENSIONS (inch dimensions are derived from the original mm dimensions)
A
max.
(1)
(1)
(1)
UNIT
mm
A
A
A
b
c
D
E
e
H
L
L
Q
v
w
y
θ
1
2
3
p
E
p
Z
0.3
0.1
2.45
2.25
0.49
0.36
0.32
0.23
13.0
12.6
7.6
7.4
10.65
10.00
1.1
0.4
1.1
1.0
0.9
0.4
2.65
0.1
0.25
0.01
1.27
0.05
1.4
0.25 0.25
0.1
8o
0o
0.012 0.096
0.004 0.089
0.019 0.013 0.51
0.014 0.009 0.49
0.30
0.29
0.419
0.394
0.043 0.043
0.016 0.039
0.035
0.016
inches
0.055
0.01 0.01 0.004
Note
1. Plastic or metal protrusions of 0.15 mm (0.006 inch) maximum per side are not included.
REFERENCES
OUTLINE
EUROPEAN
PROJECTION
ISSUE DATE
VERSION
IEC
JEDEC
JEITA
99-12-27
03-02-19
SOT163-1
075E04
MS-013
Fig. 8. Package outline SOT163-1 (SO20)
©
74LVT2244
All information provided in this document is subject to legal disclaimers.
Nexperia B.V. 2021. All rights reserved
Product data sheet
Rev. 4 — 17 May 2021
9 / 13
Nexperia
74LVT2244
3.3 V octal buffer/line driver with 30 Ω termination resistors; 3-state
TSSOP20: plastic thin shrink small outline package; 20 leads; body width 4.4 mm
SOT360-1
D
E
A
X
c
H
v
M
A
y
E
Z
11
20
Q
A
2
(A )
3
A
A
1
pin 1 index
θ
L
p
L
1
10
detail X
w
M
b
p
e
0
2.5
5 mm
scale
DIMENSIONS (mm are the original dimensions)
A
(1)
(2)
(1)
UNIT
A
A
A
b
c
D
E
e
H
L
L
Q
v
w
y
Z
θ
1
2
3
p
E
p
max.
8o
0o
0.15
0.05
0.95
0.80
0.30
0.19
0.2
0.1
6.6
6.4
4.5
4.3
6.6
6.2
0.75
0.50
0.4
0.3
0.5
0.2
mm
1.1
0.65
1
0.2
0.13
0.1
0.25
Notes
1. Plastic or metal protrusions of 0.15 mm maximum per side are not included.
2. Plastic interlead protrusions of 0.25 mm maximum per side are not included.
REFERENCES
OUTLINE
EUROPEAN
PROJECTION
ISSUE DATE
VERSION
IEC
JEDEC
JEITA
99-12-27
03-02-19
SOT360-1
MO-153
Fig. 9. Package outline SOT360-1 (TSSOP20)
©
74LVT2244
All information provided in this document is subject to legal disclaimers.
Nexperia B.V. 2021. All rights reserved
Product data sheet
Rev. 4 — 17 May 2021
10 / 13
Nexperia
74LVT2244
3.3 V octal buffer/line driver with 30 Ω termination resistors; 3-state
12. Abbreviations
Table 10. Abbreviations
Acronym
Description
BiCMOS
DUT
BIpolar Complementary Metal Oxide Semiconductor
Device Under Test
ESD
ElectroStatic Discharge
HBM
MM
Human Body Model
Machine Model
TTL
Transistor-Transistor Logic
13. Revision history
Table 11. Revision history
Document ID
Release date Data sheet status
20210517 Product data sheet
Change notice Supersedes
- 74LVT2244 v.3
74LVT2244 v.4
Modifications:
•
The format of this data sheet has been redesigned to comply with the identity
guidelines of Nexperia.
•
•
•
•
Legal texts have been adapted to the new company name where appropriate.
Type number 74LVT2244DB (SOT339-1 / SSOP20) removed.
Section 1 and Section 2 updated.
Section 7: Derating values for Ptot total power dissipation removed (errata).
74LVT2244 v.3
Modifications:
20160901
Product data sheet
-
74LVT2244 v.2
•
•
The format of this data sheet has been redesigned to comply with the new identity
guidelines of NXP Semiconductors.
Legal texts have been adapted to the new company name where appropriate.
74LVT2244 v.2
74LVT2244 v.1
19980219
19960828
Product specification
Product specification
-
-
74LVT2244 v.1
-
©
74LVT2244
All information provided in this document is subject to legal disclaimers.
Nexperia B.V. 2021. All rights reserved
Product data sheet
Rev. 4 — 17 May 2021
11 / 13
Nexperia
74LVT2244
3.3 V octal buffer/line driver with 30 Ω termination resistors; 3-state
injury, death or severe property or environmental damage. Nexperia and its
suppliers accept no liability for inclusion and/or use of Nexperia products in
such equipment or applications and therefore such inclusion and/or use is at
the customer’s own risk.
14. Legal information
Quick reference data — The Quick reference data is an extract of the
product data given in the Limiting values and Characteristics sections of this
document, and as such is not complete, exhaustive or legally binding.
Data sheet status
Document status Product
Definition
Applications — Applications that are described herein for any of these
products are for illustrative purposes only. Nexperia makes no representation
or warranty that such applications will be suitable for the specified use
[1][2]
status [3]
Objective [short]
data sheet
Development
This document contains data from
the objective specification for
product development.
without further testing or modification.
Customers are responsible for the design and operation of their applications
and products using Nexperia products, and Nexperia accepts no liability for
any assistance with applications or customer product design. It is customer’s
sole responsibility to determine whether the Nexperia product is suitable
and fit for the customer’s applications and products planned, as well as
for the planned application and use of customer’s third party customer(s).
Customers should provide appropriate design and operating safeguards to
minimize the risks associated with their applications and products.
Preliminary [short]
data sheet
Qualification
Production
This document contains data from
the preliminary specification.
Product [short]
data sheet
This document contains the product
specification.
[1] Please consult the most recently issued document before initiating or
completing a design.
Nexperia does not accept any liability related to any default, damage, costs
or problem which is based on any weakness or default in the customer’s
applications or products, or the application or use by customer’s third party
customer(s). Customer is responsible for doing all necessary testing for the
customer’s applications and products using Nexperia products in order to
avoid a default of the applications and the products or of the application or
use by customer’s third party customer(s). Nexperia does not accept any
liability in this respect.
[2] The term 'short data sheet' is explained in section "Definitions".
[3] The product status of device(s) described in this document may have
changed since this document was published and may differ in case of
multiple devices. The latest product status information is available on
the internet at https://www.nexperia.com.
Definitions
Limiting values — Stress above one or more limiting values (as defined in
the Absolute Maximum Ratings System of IEC 60134) will cause permanent
damage to the device. Limiting values are stress ratings only and (proper)
operation of the device at these or any other conditions above those
given in the Recommended operating conditions section (if present) or the
Characteristics sections of this document is not warranted. Constant or
repeated exposure to limiting values will permanently and irreversibly affect
the quality and reliability of the device.
Draft — The document is a draft version only. The content is still under
internal review and subject to formal approval, which may result in
modifications or additions. Nexperia does not give any representations or
warranties as to the accuracy or completeness of information included herein
and shall have no liability for the consequences of use of such information.
Short data sheet — A short data sheet is an extract from a full data sheet
with the same product type number(s) and title. A short data sheet is
intended for quick reference only and should not be relied upon to contain
detailed and full information. For detailed and full information see the relevant
full data sheet, which is available on request via the local Nexperia sales
office. In case of any inconsistency or conflict with the short data sheet, the
full data sheet shall prevail.
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©
74LVT2244
All information provided in this document is subject to legal disclaimers.
Nexperia B.V. 2021. All rights reserved
Product data sheet
Rev. 4 — 17 May 2021
12 / 13
Nexperia
74LVT2244
3.3 V octal buffer/line driver with 30 Ω termination resistors; 3-state
Contents
1. General description......................................................1
2. Features and benefits.................................................. 1
3. Ordering information....................................................1
4. Functional diagram.......................................................2
5. Pinning information......................................................3
5.1. Pinning.........................................................................3
5.2. Pin description.............................................................3
6. Functional description................................................. 3
7. Limiting values............................................................. 4
8. Recommended operating conditions..........................4
9. Static characteristics....................................................5
10. Dynamic characteristics............................................ 6
10.1. Waveforms and test circuit........................................ 7
11. Package outline.......................................................... 9
12. Abbreviations............................................................11
13. Revision history........................................................11
14. Legal information......................................................12
© Nexperia B.V. 2021. All rights reserved
For more information, please visit: http://www.nexperia.com
For sales office addresses, please send an email to: salesaddresses@nexperia.com
Date of release: 17 May 2021
©
74LVT2244
All information provided in this document is subject to legal disclaimers.
Nexperia B.V. 2021. All rights reserved
Product data sheet
Rev. 4 — 17 May 2021
13 / 13
相关型号:
74LVT2244DB,112
74LVT2244 - 3.3V Octal buffer/line driver with 30Ohm series termination resistors (3-State) SSOP2 20-Pin
NXP
74LVT2244MTC
LVT SERIES, DUAL 4-BIT DRIVER, TRUE OUTPUT, PDSO20, 4.40 MM, MO-153, TSSOP-20
ROCHESTER
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