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M74HC157 Datasheet(PDF) 1 Page - STMicroelectronics

Part # M74HC157
Description  QUAD 2 CHANNEL MULTIPLEXER
PDF  9 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

M74HC157 Datasheet(HTML) 1 Page - STMicroelectronics

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July 2001
s
HIGH SPEED:
tPD = 10ns (TYP.) at VCC = 6V
s
LOW POWER DISSIPATION:
ICC = 4µA(MAX.) at TA=25°C
s
HIGH NOISE IMMUNITY:
VNIH = VNIL = 28 % VCC (MIN.)
s
SYMMETRICAL OUTPUT IMPEDANCE:
|IOH| = IOL = 4mA (MIN)
s
BALANCED PROPAGATION DELAYS:
tPLH ≅ tPHL
s
WIDE OPERATING VOLTAGE RANGE:
VCC (OPR) = 2V to 6V
s
PIN AND FUNCTION COMPATIBLE WITH
74 SERIES 157
DESCRIPTION
The M74HC157 is an high speed CMOS QUAD 2
CHANNEL MULTIPLEXER fabricated with silicon
gate C2MOS technology.
These device consist of four 2-input digital
multiplexer with common select and strobe inputs.
When the STROBE input is held high, selection of
data is inhibited and all the outputs become low.
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 and transient excess
voltage.
M74HC157
QUAD 2 CHANNEL MULTIPLEXER
PIN CONNECTION AND IEC LOGIC SYMBOLS
ORDER CODES
PACKAGE
TUBE
T & R
DIP
M74HC157B1R
SOP
M74HC157M1R
M74HC157RM13TR
TSSOP
M74HC157TTR
TSSOP
DIP
SOP


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