7432 데이터 시트보기 (PDF) - Philips Electronics

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7432

Quad 2-input OR gate

Philips Electronics 

Philips Semiconductors

Quad 2-input OR gate

Product specification

74HC/HCT32

FEATURES

• Output capability: standard

• ICC category: SSI

GENERAL DESCRIPTION

The 74HC/HCT32 are high-speed Si-gate CMOS devices

and are pin compatible with low power Schottky TTL

(LSTTL). They are specified in compliance with JEDEC

standard no. 7A.

The 74HC/HCT32 provide the 2-input OR function.

QUICK REFERENCE DATA

GND = 0 V; Tamb = 25 °C; tr = tf = 6 ns

SYMBOL

PARAMETER

CONDITIONS

tPHL/ tPLH

CI

CPD

propagation delay nA, nB to nY

input capacitance

power dissipation capacitance per gate

CL = 15 pF; VCC = 5 V

notes 1 and 2

Notes

1. CPD is used to determine the dynamic power dissipation (PD in µW):

PD = CPD × VCC2 × fi + ∑ (CL × VCC2 × fo) where:

fi = input frequency in MHz

fo = output frequency in MHz

∑ (CL × VCC2 × fo) = sum of outputs

CL = output load capacitance in pF

VCC = supply voltage in V

2. For HC the condition is VI = GND to VCC

For HCT the condition is VI = GND to VCC − 1.5 V

TYPICAL

UNIT

HC HCT

69

ns

3.5 3.5 pF

16 28 pF

ORDERING INFORMATION

See “74HC/HCT/HCU/HCMOS Logic Package Information”.

December 1990

2

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