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Toshiba Electronic Components Datasheet

TC74LCX157FK Datasheet

Low Voltage Quad 2-Channel Multiplexer

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TC74LCX157F/FK
TOSHIBA CMOS Digital Integrated Circuit Silicon Monolithic
TC74LCX157F, TC74LCX157FK
Low Voltage Quad 2-Channel Multiplexer with 5 V Tolerant Inputs and Outputs
The TC74LCX157 is a high-performance CMOS multiplexer. Designed
for use in 3.3-V systems, it achieves high-speed operation while
maintaining the CMOS low power dissipation.
The device is designed for low-voltage (3.3 V) VCC applications, but it
could be used to interface to 5-V supply environment for inputs.
It consists of four 2-input digital multiplexers with common SELECT
and ST inputs. When the ST input is held “H” level, selection of data
is inhibited and all the outputs become “L” level.
The SELECT decoding determines whether the A or B inputs get routed
to their corresponding Y outputs.
All inputs are equipped with protection circuits against static
discharge.
Features
Low-voltage operation: VCC = 1.65 to 3.6 V
High-speed operation: tpd = 5.8 ns (max) (VCC = 3.0 to 3.6 V)
Ouput current: |IOH|/IOL = 24 mA (min) (VCC = 3.0 V)
Latch-up performance: >±500 mA
Available in JEITA SOP, VSSOP (US)
Power-down protection provided on all inputs and outputs
Pin and function compatible with the 74 series
(74AC/VHC/HC/F/ALS/LS etc.) 157 type
TC74LCX157F
TC74LCX157FK
Weight
SOP16-P-300-1.27A
VSSOP16-P-0030-0.50
: 0.18 g ( typ.)
: 0.02 g ( typ.)
Note: The Electrical Characteristics of VCC = 1.8 ± 0.15 V is only applicable for products which manufactured
from January 2009 onward.
© 2018
1
Toshiba Electronic Devices & Storage Corporation
Start of commercial production
1995-11
2018-08-02


Toshiba Electronic Components Datasheet

TC74LCX157FK Datasheet

Low Voltage Quad 2-Channel Multiplexer

No Preview Available !

Pin Assignment (top view)
SELECT 1
1A 2
1B 3
1Y 4
2A 5
2B 6
2Y 7
GND 8
16 VCC
15
14 4A
13 4B
12 4Y
11 3A
10 3B
9 3Y
Truth Table
Inputs
ST
SELECT
A
B
H
X
X
X
L
L
L
X
L
L
H
X
L
H
X
L
L
H
X
H
X: Don’t care
IEC Logic Symbol
TC74LCX157F/FK
(15)
(1)
SELECT
(2)
1A
(3)
1B
(5)
2A
(6)
2B
(11)
3A
(10)
3B
(14)
4A
(13)
4B
EN
G1
MUX
1
(4)
1Y
(7)
2Y
(9)
3Y
(12)
4Y
Outputs
Y
L
L
H
L
H
© 2018
2
Toshiba Electronic Devices & Storage Corporation
2018-08-02


Part Number TC74LCX157FK
Description Low Voltage Quad 2-Channel Multiplexer
Maker Toshiba Semiconductor
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TC74LCX157FK Datasheet PDF






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