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What is U74LVC240?

This electronic component, produced by the manufacturer "Unisonic Technologies", performs the same function as "OCTAL BUFFER/DRIVER".


U74LVC240 Datasheet PDF - Unisonic Technologies

Part Number U74LVC240
Description OCTAL BUFFER/DRIVER
Manufacturers Unisonic Technologies 
Logo Unisonic Technologies Logo 


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UNISONIC TECHNOLOGIES CO., LTD
U74LVC240
OCTAL BUFFER/DRIVER WITH
3-STATE OUTPUTS
DESCRIPTION
The U74LVC240 contains two 4-bit line drivers with separate
output-enable( OE ) inputs. When OE is low, the device passes
data from the A to the Y. When OE is high, the outputs are in the
high-impedance state.
The U74LVC240 can be used in a mixed 3.3V/5V system
environment. This device has power-down protective circuit,
preventing device destruction when it is powered down.
FEATURES
* Operate From 1.65V to 3.6V
* Input Accept Voltages to 5.5V
* Partial-Power-Down Mode Operation
* Max tpd is 5.9ns at 3.3V
ORDERING INFORMATION
Ordering Number
U74LVC240G-S20-T
U74LVC240G-S20-R
U74LVC240G-P20-T
U74LVC240G-P20-R
Package
SOP-20
SOP-20
TSSOP-20
TSSOP-20
CMOS IC
Packing
Tube
Tape Reel
Tube
Tape Reel
MARKING
www.unisonic.com.tw
Copyright © 2014 Unisonic Technologies Co., Ltd
1 of 7
QW-R126-009.A

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U74LVC240 equivalent
U74LVC240
CMOS IC
ELECTRICAL CHARACTERISTICS (TA =25°C, unless otherwise specified)
PARAMETER
SYMBOL
TEST CONDITIONS
IOH = -100uA, VCC=1.65~3.6V
IOH = -4mA, VCC=1.65V
Output Voltage High-Level
VOH
IOH = -8mA, VCC=2.3V
IOH = -12mA, VCC=2.7V
IOH = -12mA, VCC=3.0V
IOH = -24mA, VCC=3V
IOH = 100uA, VCC=1.65~3.6V
IOH = 4mA, VCC=1.65V
Output Voltage Low-Level
VOL IOH = 8mA, VCC=2.3V
IOH = 12mA, VCC=2.7V
Input Leakage Current
II(LEAK)
IOH = 24mA, VCC=3.0V
VI = 5.5 V or GND, VCC=3.6V
Power off Leakage Carrent
Output OFF-State Current
Ioff VI or VO = 5.5V, VCC=0V
IOZ VO = 0 ~ 5.5 V, VCC=3.6V
Quiescent Supply Current (IO=0)
VI = VCC or GND, VCC=3.6V
ICC 3.6 V VI 5.5 V, VCC=3.6V
(Note 2)
Additional quiescent supply current
Input Capacitance
ICC
CIN
One input at VCC-0.6V,
Other inputs at VCC or GND,
VCC=2.7~3.6V
VI = VCC or GND, VCC=3.3V
Output Capacitance
COUT VO = VCC or GND, VCC=3.3V
Notes: 1. All typical values are at VCC=3.3V, TA=25°C.
2. This applier in the disabled state only.
MIN TYP MAX
(Note 1)
VCC-0.2
1.2
1.7
2.2
2.4
2.2
0.2
0.45
0.7
0.4
0.55
±5
±10
±10
10
UNIT
V
V
V
V
V
V
V
V
V
V
V
μA
mA
μA
μA
10 μA
500 μA
4 pF
5.5 pF
SWITCHING CHARACTERISTICS (TA =25°C, unless otherwise specified)
PARAMETER
SYMBOL
CONDITIONS
MIN
Propagation Delay Time Signal
From input A to output Y
tPD
VCC=2.7V
VCC=3.3 V ± 0.3 V
1.3
Propagation Delay Time Signal
From input OE to output Y
ten
VCC=2.7V
VCC=3.3 V ± 0.3 V
1.1
Propagation Delay Time Signal
From input OE to output Y
tdis
VCC=2.7V
VCC=3.3 V ± 0.3 V
1.4
High-impedance state Current (Note)
tsk VCC=3.3 V ± 0.3 V
Note: Skew between any two outputs of the same package switching in the same direction
TYP MAX UNIT
7.5 ns
6.5 ns
9 ns
8 ns
8 ns
7 ns
1 ns
OPERATING CHARACTERISTICS (TA =25°C , unless otherwise specified)
PARAMETER
Power Dissipation Capacitance
SYMBOL
CPD
TEST CONDITIONS
OE =0, f=10MHZ, VCC=3.3V
OE =1, f=10MHZ, VCC=3.3V
MIN TYP MAX UNIT
32 pF
3 pF
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
5 of 7
QW-R126-009.A


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