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M74HCT157B1R View Datasheet(PDF) - STMicroelectronics

Part Name
Description
Manufacturer
M74HCT157B1R
ST-Microelectronics
STMicroelectronics ST-Microelectronics
M74HCT157B1R Datasheet PDF : 9 Pages
1 2 3 4 5 6 7 8 9
M74HCT157
QUAD 2 CHANNEL MULTIPLEXER
s HIGH SPEED:
tPD = 16ns (TYP.) at VCC = 4.5V
s LOW POWER DISSIPATION:
ICC = 4µA(MAX.) at TA=25°C
s COMPATIBLE WITH TTL OUTPUTS :
VIH = 2V (MIN.) VIL = 0.8V (MAX)
s SYMMETRICAL OUTPUT IMPEDANCE:
|IOH| = IOL = 4mA (MIN)
s BALANCED PROPAGATION DELAYS:
tPLH tPHL
s PIN AND FUNCTION COMPATIBLE WITH
74 SERIES 157
DESCRIPTION
The M74HCT157 is an high speed CMOS QUAD
2 CHANNEL MULTIPLEXER fabricated with
silicon gate C2MOS technology.
This device consists of four 2-input digital
multiplexer with common select and strobe inputs.
When the STROBE(ST) input is held high,
selection of data is inhibited and all the outputs
become low. The SELECT decoding determines
DIP
SOP
TSSOP
ORDER CODES
PACKAGE
TUBE
T&R
DIP
SOP
TSSOP
M74HCT157B1R
M74HCT157M1R M74HCT157RM13TR
M74HCT157TTR
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.
PIN CONNECTION AND IEC LOGIC SYMBOLS
September 2001
1/9
 

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