M74HC4078 - ST Microelectronics

M74HC4078 8 INPUT NOR/OR GATE

The M54/74HC4078 is a high speed CMOS 8 INPUT NOR/OR GATE fabricated in silicon gate C2MOS technology. It has the same high speed performance of LSTTL combined with true CMOS low power consumption. All inputs are equipped with protection circuits against static discharge and transient excess voltage. PIN CONNECTIONS (top view) INPUT AND OUTPUT EQUIVALENT CI.

Features

1992 1/9 M54/M74HC4078 TRUTH TABLE INPUTS ALL INPUTS ”L” OTHER POSSIBILITIES OUTPUTS X H L Y L H IEC LOGIC SYMBOL PIN DESCRIPTION PIN No 2, 3, 4, 5, 9, 10, 11, 12 1, 13 7 14 SYMBOL A to H Y, X GND VCC NAME AND FUNCTION Data Inputs Data Outputs Ground (0V) Positive Supply Voltage SCHEMATIC CIRCUIT ABSOLUTE MAXIMUM RATINGS Symbol VCC VI VO IIK IOK ICC IO or IGND PD Tstg TL Supply Voltage DC Input Voltage DC Output Voltage DC Input Diode Current DC Output Diode Current DC Output Source Sink Current Per Output Pin DC VCC or Ground Current Power Dissipation Storage Temperature Lead Temperatu.