M74HCT157| Datasheet

M74HCT157, M74HCT157B1R, M74HCT157RM13TR

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M74HCT157
QUAD 2 CHANNEL MULTIPLEXER
s

HIGH SPEED: tPD = 16ns (TYP.) at VCC = 4.5V LOW POWER DISSIPATION: ICC = 4uA(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

DIP

SOP

TSSOP

ORDER CODES
PACKAGE DIP SOP TSSOP TUBE M74HCT157B1R M74HCT157M1R T&R M74HCT157RM13TR M74HCT157TTR

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.

PIN CONNECTION AND IEC LOGIC SYMBOLS

September 2001

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