M54HCT27 Datasheet PDF | STMicroelectronics

STMicroelectronics M54HCT27

The M54/74HCT27 is a high speed CMOS TRIPLE 3-INPUT NOR GATE fabricated in silicon gate C2MOS technology. It has the same high speed performance of LSTTL combined with true CMOS low power consumption. The internal circuit is composed of 3 stages including buffered output, which gives high noise immunity and a stable output.

Part No.	M54HCT27
Datasheet	M54HCT27 Download
Manufacturer	STMicroelectronics
Description	TRIPLE 3-INPUT NOR GATE
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DESCRIPTION

All inputs are equipped with protection circuits against static discharge and transient excess voltage. This integrated circuit has input and output characteristics that are fully compatible with 54/74 LSTTL logic families. M54/74HCT devices are designed to directly interface HSC2MOS systems with TTL and NMOS components. They are also plug in replacements for LSTTL devices giving a reduction of power consumption. INPUT AND OUTPUT EQUIVALENT CIRCUIT ORDER CODES : M54HCT27F1R M74HCT27M1R M74HCT27B1R M74HCT27C1R PIN CONNECTIONS (top view) NC = No Internal Connection February 1993 1/9 M54/M74HCT27 TRUTH TABLE A L H X X B L X H X C L X X H Y H L L L IEC Logic Symbol PIN

DESCRIPTION

PIN No 1, 3, 9 2, 4, 10 13, 5, 11 12, 6, 8 7 14 SYMBOL 1A to 3A 1B to 3B 1C to 3C 1Y to 3Y GND VCC NAME AND FUNCTION Data Inputs Data Inputs Data Inputs Data Outputs Ground (0V) Positive Supply Voltage LOGIC DIAGRAM

ABSOLUTE MAXIMUM RATINGS

Symbol VCC VI VO IIK IOK ICC IO or IGND PD Tstg TL Supply Vol...