7LVC240APWDH-T [NXP]
IC LVC/LCX/Z SERIES, DUAL 4-BIT DRIVER, INVERTED OUTPUT, PDSO20, Bus Driver/Transceiver;
| 型号： | 7LVC240APWDH-T |
| 厂家： | 
NXP |
| 描述： | IC LVC/LCX/Z SERIES, DUAL 4-BIT DRIVER, INVERTED OUTPUT, PDSO20, Bus Driver/Transceiver 总线驱动器 总线收发器 逻辑集成电路 光电二极管 |
| 文件： | 总11页 (文件大小：100K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
INTEGRATED CIRCUITS
74LVC240A
Octal buffer/line driver with 5-volt tolerant
inputs/outputs; inverting (3-State)
Product specification
IC24 Data Handbook
1998 May 20
Philips
Semiconductors
Philips Semiconductors
Product specification
Octal buffer/line driver with 5-volt
tolerant inputs/outputs; inverting (3-State)
74LVC240A
FEATURES
DESCRIPTION
The 74LVC240A is a high-performance, low-power, low-voltage,
Si-gate CMOS device, superior to most advanced CMOS
compatible TTL families.
• 5-volt tolerant inputs/outputs, for interfacing with 5-volt logic
• Supply voltage range of 1.2V to 3.6V
• Complies with JEDEC standard no. 8-1A
• CMOS low power consumption
Inputs can be driven from either 3.3V or 5V devices. In 3-State
operation, outputs can handle 5V. These features allow the use of
these devices as translators in a mixed 3.3V/5V environment.
• Direct interface with TTL levels
The ‘240A is an octal non-inverting buffer/line driver with 3-State
outputs. The 3-State outputs are controlled by the output enable
inputs 1OE and 2OE. A HIGH on nOE causes the outputs to
assume a high impedance OFF-state. Schmitt-trigger action at all
inputs makes the circuit highly tolerant for slower input rise and fall
times.
• High impedance when V = 0V
CC
The ’240’ is functionally identical to the ’244’, but the ’244’ has
inverting outputs.
QUICK REFERENCE DATA
GND = 0 V; T
= 25°C; t = t v2.5 ns
amb
r
f
SYMBOL
PARAMETER
CONDITIONS
TYPICAL
UNIT
Propagation delay
1A to 1Y
2A to 2Y
n
C = 50pF
L
V
CC
= 3.3V
3.5
t
/t
ns
n
n;
n
PHL PLH
C
C
Input capacitance
5.0
20
pF
pF
I
Power dissipation capacitance per
buffer
Notes 1 and 2
PD
NOTE:
1. C is used to determine the dynamic power dissipation (P in mW):
PD
D
2
2
P
= C x V
x f + S (C x V
x f ) where:
D
PD
CC
i
L
CC o
f = input frequency in MHz; C = output load capacity in pF;
i
L
f = output frequency in MHz; V = supply voltage in V;
o
CC
2
S (C x V
x f ) = sum of outputs.
L
CC
o
2. The condition is V = GND to V
I
CC
ORDERING INFORMATION
TEMPERATURE
RANGE
OUTSIDE
NORTH AMERICA
PACKAGES
NORTH AMERICA
PKG. DWG. #
20-Pin Plastic Small Outline (SO)
–40°C to +85°C
–40°C to +85°C
–40°C to +85°C
74LVC240A D
74LVC240A DB
74LVC240A PW
74LVC240A D
74LVC240A DB
7LVC240APW DH
SOT163-1
SOT339-1
SOT360-1
20-Pin Plastic Shrink Small Outline (SSOP) Type II
20-Pin Plastic Thin Shrink Small Outline (TSSOP) Type I
2
1998 May 20
853-1981 19419
Philips Semiconductors
Product specification
Octal buffer/line driver with 5-volt
tolerant inputs/outputs; inverting (3-State)
74LVC240A
PIN DESCRIPTION
FUNCTION TABLE
INPUTS
OUTPUT
PIN NUMBER SYMBOL
FUNCTION
nOE
L
nA
L
nY
H
L
n
n
1
1OE
Output enable input (active LOW)
Data inputs
2, 4, 6, 8
3, 5, 7, 9
1A to 1A
0
3
2Y to 2Y
0
Bus outputs
L
H
3
10
GND
Ground (0V)
H
X
Z
17, 15, 13, 11 2A to 2A
Bus inputs
H
L
X
Z
= HIGH voltage level
= LOW voltage level
= Don’t care
0
3
18, 16, 14, 12 1Y to 1Y
Bus outputs
0
3
19
20
2OE
Output enable input (active-LOW)
Positive power supply
= High impedance OFF-state
V
CC
LOGIC SYMBOL
PIN CONFIGURATION
2
1A
1Y 18
0
0
0
17 2A
2Y
3
0
4
1A
1Y 16
1
1
1
15 2A
2Y
5
1
6
1A
1Y 14
2
2
2
20
V
1OE
1A0
2Y0
1A1
2Y1
1A2
2Y2
1A3
2Y3
1
2
3
4
5
6
7
8
9
CC
13 2A
2Y
7
2
19 2OE
8
1A
1Y 12
3
3
3
18 1Y0
17 2A0
16 1Y1
15 2A1
14 1Y2
13 2A2
12 1Y3
11 2A
2Y
9
3
1
1OE
19 2OE
SV00608
FUNCTIONAL DIAGRAM
GND 10
11
2A3
1A
1A
1A
1A
1Y
2
18
16
14
12
0
1
2
3
0
1
2
3
SV00212
1Y
1Y
1Y
4
6
LOGIC SYMBOL (IEEE/IEC)
8
1
1OE
1
EN
2A
0
2Y
2Y
2Y
2Y
17
15
13
11
3
5
7
9
2
0
1
2
3
18
4
6
8
16
14
12
2A
1
2A
2
2A
3
19
EN
19 2OE
11
9
13
15
17
7
5
3
SV00610
SV00611
3
1998 May 20
Philips Semiconductors
Product specification
Octal buffer/line driver with 5-volt
tolerant inputs/outputs; inverting (3-State)
74LVC240A
RECOMMENDED OPERATING CONDITIONS
LIMITS
SYMBOL
PARAMETER
CONDITIONS
UNIT
MIN
2.7
1.2
0
MAX
V
V
DC supply voltage (for max. speed performance)
DC supply voltage (for low-voltage applications)
DC Input voltage range
3.6
3.6
5.5
V
V
V
CC
CC
V
I
DC Output voltage range; output HIGH or LOW
state
0
V
CC
V
O
V
DC output voltage range; output 3-State
0
5.5
T
amb
Operating ambient temperature range in free-air
–40
+85
°C
V
CC
V
CC
= 1.2 to 2.7V
= 2.7 to 3.6V
0
0
20
10
t , t
r
Input rise and fall times
ns/V
f
1
ABSOLUTE MAXIMUM RATINGS
In accordance with the Absolute Maximum Rating System (IEC 134)
Voltages are referenced to GND (ground = 0V)
SYMBOL
PARAMETER
DC supply voltage
CONDITIONS
RATING
UNIT
V
V
CC
I
IK
–0.5 to +6.5
–50
DC input diode current
V t0
mA
V
I
V
I
DC input voltage
Note 2
–0.5 to +6.5
I
DC output diode current
V
uV or V t 0
"50
mA
OK
O
CC
O
DC output voltage; output HIGH or LOW state
DC output voltage; output 3-State
DC output source or sink current
Note 2
Note 2
–0.5 to V +0.5
CC
V
V
O
–0.5 to 6.5
I
V
O
= 0 to V
CC
"50
mA
mA
°C
O
I
, I
DC V or GND current
"100
GND CC
CC
T
Storage temperature range
–65 to +150
stg
Power dissipation per package
– plastic mini-pack (SO)
– plastic shrink mini-pack (SSOP and TSSOP)
P
TOT
above +70°C derate linearly with 8 mW/K
above +60°C derate linearly with 5.5 mW/K
500
500
mW
NOTES:
1. Stresses beyond those listed may cause permanent damage to the device. These are stress ratings only and functional operation of the
device at these or any other conditions beyond those indicated under “recommended operating conditions” is not implied. Exposure to
absolute-maximum-rated conditions for extended periods may affect device reliability.
2. The input and output voltage ratings may be exceeded if the input and output current ratings are observed.
4
1998 May 20
Philips Semiconductors
Product specification
Octal buffer/line driver with 5-volt
tolerant inputs/outputs; inverting (3-State)
74LVC240A
DC ELECTRICAL CHARACTERISTICS
Over recommended operating conditions voltages are referenced to GND (ground = 0V)
LIMITS
SYMBOL
PARAMETER
TEST CONDITIONS
Temp = -40°C to +85°C
UNIT
1
MIN
TYP
MAX
V
CC
V
CC
V
CC
V
CC
V
CC
V
CC
V
CC
V
CC
V
CC
V
CC
V
CC
V
CC
V
CC
V
CC
V
CC
= 1.2V
V
CC
V
HIGH level Input voltage
LOW level Input voltage
V
V
IH
= 2.7 to 3.6V
2.0
= 1.2V
GND
0.8
V
IL
= 2.7 to 3.6V
= 2.7V; V = V or V ; I = –12mA
V
V
V
V
*0.5
I
IH
IL
O
CC
CC
CC
CC
= 3.0V; V = V or V ; I = –100µA
*0.2
*0.6
*0.8
V
I
IH
IL
O
O
O
CC
V
OH
HIGH level output voltage
LOW level output voltage
V
= 3.0V; V = V or V
I
I
= –18mA
= –24mA
I
IH
IL;
IL;
= 3.0V; V = V or V
I
IH
= 2.7V; V = V or V ; I = 12mA
0.40
0.20
0.55
5
"10
"10
10
I
IH
IL
O
= 3.0V; V = V or V ; I = 100µA
GND
V
OL
V
I
IH
IL
O
O
= 3.0V; V = V or V
I
= 24mA
I
IH
IL;
2
I
Input leakage current
= 3.6V; V = 5.5V or GND
0.1
0.1
µA
µA
µA
µA
I
I
I
3-State output OFF-state current
Power off leakage current
Quiescent supply current
= 3.6V; V = V or V ; V = 5.5V or GND
OZ
I
IH
IL
O
I
off
= 0.0V; V or V = 5.5V
0.1
I
O
I
= 3.6V; V = V or GND; I = 0
0.1
CC
I
CC
O
Additional quiescent supply current
per input pin
∆I
CC
V
CC
= 2.7V to 3.6V; V = V –0.6V; I = 0
5
500
µA
I
CC
O
NOTES:
1. All typical values are at V = 3.3V and T
= 25°C.
amb
CC
2. The specified overdrive current at the data input forces the data input to the opposite logic input state.
AC CHARACTERISTICS
GND = 0V; t = t v 2.5ns; C = 50pF; R = 500Ω; T
= –40°C to +85°C.
r
f
L
L
amb
LIMITS
SYMBOL
PARAMETER
WAVEFORM
V
CC
= 3.3V ±0.3V
V
CC
= 2.7V
V = 1.2V
CC
UNIT
1
MIN
TYP
MAX
MIN
MAX
TYP
Propagation delay
1A to 1Y ;
2A to 2Y
n
t
t
PLH
PHL
1, 3
2, 3
2, 3
1.5
1.5
1.5
3.5
6.5
8.0
7.0
1.5
7.5
9.0
8.0
16.0
19.0
17.0
ns
ns
ns
n
n
n
3-State output enable time
t
PZH
1OE to 1Y ;
4.3
3.7
1.5
1.5
n
t
PZL
2OE to 2Y
n
3-State output disable time
t
PHZ
1OE to 1Y ;
n
t
PLZ
2OE to 2Y
n
NOTE:
1. Unless otherwise stated, all typical values are at V = 3.3V and T
= 25°C.
CC
amb
5
1998 May 20
Philips Semiconductors
Product specification
Octal buffer/line driver with 5-volt
tolerant inputs/outputs; inverting (3-State)
74LVC240A
AC WAVEFORMS
TEST CIRCUIT
V
V
= 1.5V at V w 2.7V; V = 0.5 V at V t 2.7V.
M
OL
CC
M
CC
CC
S
1
and V are the typical output voltage drop that occur with the
OH
V
2<V
CC
CC
output load.
Open
GND
V
X
V
Y
= V + 0.3V at V w 2.7V; V = V + 0.1 V at V t2.7V
OL
CC
X
OL
CC
CC
CC
= V –0.3V at V w2.7V; V = V – 0.1 V at V t2.7V
OH
CC
Y
OH
CC
500Ω
500Ω
V
V
OUT
IN
PULSE
GENERATOR
D.U.T.
V
I
50pF
INPUTS
GND
V
R
M
T
t
t
PHL
PLH
Test Circuit for 3-State Outputs
SWITCH POSITION
V
OH
V
V
I
TEST
SWITCH
Open
CC
OUTPUTS
V
M
t 2.7V
V
CC
t
/t
PLH PHL
V
OL
2.7 – 3.6V 2.7V
t
/t
2<V
PLZ PZL
CC
SW00221
t
/t
GND
PHZ PZH
Waveform 1. Inputs (1A , 2A ) to outputs (1Y , 2Y )
n
n
n
n
propagation delays.
DEFINITIONS
R = Termination resistance should be equal to Z
T
OUT
V
I
of pulse generators.
nOE INPUT
GND
V
M
SW00233
Waveform 3. Load circuitry for switching times.
t
t
PLZ
PZL
V
CC
Q
OUTPUT
n
V
LOW-to-OFF
OFF-to-LOW
M
V
X
V
OL
t
PZH
t
PHZ
V
OH
V
Y
Q
n
OUTPUT
V
HIGH-to-OFF
OFF-to-HIGH
M
GND
outputs
disabled
outputs
enabled
outputs
enabled
SV00613
Waveform 2. 3-State enable and disable times.
6
1998 May 20
Philips Semiconductors
Product specification
Octal buffer/line driver with 5-volt tolerant
inputs/outputs; inverting (3-State);
74LVC240A
SO20: plastic small outline package; 20 leads; body width 7.5 mm
SOT163-1
7
1998 May 20
Philips Semiconductors
Product specification
Octal buffer/line driver with 5-volt tolerant
inputs/outputs; inverting (3-State);
74LVC240A
SSOP20: plastic shrink small outline package; 20 leads; body width 5.3 mm
SOT339-1
8
1998 May 20
Philips Semiconductors
Product specification
Octal buffer/line driver with 5-volt tolerant
inputs/outputs; inverting (3-State);
74LVC240A
TSSOP20: plastic thin shrink small outline package; 20 leads; body width 4.4 mm
SOT360-1
9
1998 May 20
Philips Semiconductors
Product specification
Octal buffer/line driver with 5-volt tolerant
inputs/outputs; inverting (3-State);
74LVC240A
NOTES
10
1998 May 20
Philips Semiconductors
Product specification
74LVC240A
Data sheet status
[1]
Data sheet
status
Product
status
Definition
Objective
specification
Development
This data sheet contains the design target or goal specifications for product development.
Specification may change in any manner without notice.
Preliminary
specification
Qualification
Production
This data sheet contains preliminary data, and supplementary data will be published at a later date.
Philips Semiconductors reserves the right to make chages at any time without notice in order to
improve design and supply the best possible product.
Product
specification
This data sheet contains final specifications. Philips Semiconductors reserves the right to make
changes at any time without notice in order to improve design and supply the best possible product.
[1] Please consult the most recently issued datasheet before initiating or completing a design.
Definitions
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.
Limiting values definition — Limiting values given are in accordance with the Absolute Maximum Rating System (IEC 134). 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.
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.
Disclaimers
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.
Righttomakechanges—PhilipsSemiconductorsreservestherighttomakechanges, withoutnotice, intheproducts, includingcircuits,standard
cells, and/or software, described or contained herein in order to improve design and/or performance. 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.
Philips Semiconductors
811 East Arques Avenue
P.O. Box 3409
Copyright Philips Electronics North America Corporation 1998
All rights reserved. Printed in U.S.A.
Sunnyvale, California 94088–3409
Telephone 800-234-7381
print code
Date of release: 05-96
9397-750-04499
Document order number:
Philips
Semiconductors
相关型号：
7LVC245APWDH
Octal bus transceiver with direction pin with 5-volt tolerant inputs/outputs 3-State
NXP
7LVC374APWDH
Octal D-type flip-flop with 5-volt tolerant inputs/outputs; positive edge-trigger 3-State
NXP
©2020 ICPDF网 联系我们和版权申明