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M74HCT157RM13TR 데이터시트 - STMicroelectronics

M74HCT157 image

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M74HCT157RM13TR

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ST-Microelectronics
STMicroelectronics 

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 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.

■ HIGH SPEED:
   tPD = 16ns (TYP.) at VCC = 4.5V
■ LOW POWER DISSIPATION:
   ICC = 4µA(MAX.) at TA=25°C
■ COMPATIBLE WITH TTL OUTPUTS :
   VIH = 2V (MIN.) VIL = 0.8V (MAX)
■ SYMMETRICAL OUTPUT IMPEDANCE:
   |IOH| = IOL = 4mA (MIN)
■ BALANCED PROPAGATION DELAYS: tPLH ≅ tPHL
■ PIN AND FUNCTION COMPATIBLE WITH 74 SERIES 157

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