Product Summary

The HD74LS55P is a 2-wide 4-input AND-OR-INVERT gate.

Parametrics

HD74LS55P absolute maximum ratings: (1) Input Voltage: 2.0V; (2) Output Voltage: 2.7V when VCC=4.75V, VIL=0.8V, IOH=-400μA; (3) Input Current IIL: -0.4mA; (4) Short-circuit output current: -20 to -100mA; (5) Supply Current ICCH: 0.8mA Max; (6) Input clamp voltage: -1.5V.

Features

HD74LS55P features: (1) Propagation delay time tPLH: 12ns type; (2) Propagation delay time tPHL: 12.5ns type, 20ns Max.

Diagrams

HD74LS55P block diagram

HD7425FPA
HD7425FPA

Other


Data Sheet

Negotiable 
HD74AC
HD74AC

Other


Data Sheet

Negotiable 
HD74AC00
HD74AC00

Other


Data Sheet

Negotiable 
HD74AC02
HD74AC02

Other


Data Sheet

Negotiable 
HD74AC04
HD74AC04

Other


Data Sheet

Negotiable 
HD74AC04FP-EL
HD74AC04FP-EL

Other


Data Sheet

Negotiable