M74HCT157-STMicroelectronics.pdf
Datasheet Details
Part number:
M74HCT158, M74HCT157
Manufacturer:
File Size:
247.92 KB
Description:
Quad 2 channel multiplexer.
Note:
This datasheet PDF includes multiple part numbers: M74HCT158, M74HCT157.
Please refer to the document for exact specifications by model.
M74HCT158, M74HCT157, QUAD 2 CHANNEL MULTIPLEXER
The M54/74HCT157 and the M54/74HCT158 are high speed CMOS QUAD 2-CHANNEL MULTIPLEXERs fabricated with silicon gate C2MOS technology.
They achieve the high speed operation similar to equivalent LSTTL while maintaining the CMOS low power dissipation.
These devices consist of four 2-input digital multi
M54HCT157/158 M74HCT157/158 HCT157 QUAD 2 CHANNEL MULTIPLEXER HCT158 QUAD 2 CHANNEL MULTIPLEXER (INV.) .
HIGH SPEED tPD = 21 ns (TYP.) AT VCC = 5 V .
LOW POWER DISSIPATION ICC = 4 µA (MAX.) AT TA = 25 °C .
COMPATIBLE WITH TTL OUTPUTS VIH = 2V (MIN.) VIL = 0.8V (MAX) .
OUTPUT DRIVE CAPABILITY 10 LSTTL LOADS .
SYMMETRICAL OUTPUT IMPEDANCE IOH = IOL = 4 mA (MIN.) .
BALANCED PROPAGATION DELAYS tPLH = tPHL .
PIN AND FUNCTION COMPATIBLE WITH 54/74LS157/158 B1R (Plastic Package) F1R (Ceramic Pack
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