74HC670DB 查看數據表（PDF） - Philips Electronics

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产品描述 (功能)

生产厂家

74HC670DB

4 x 4 register file; 3-state

Philips Electronics 

Philips Semiconductors

4 x 4 register file; 3-state

Product specification

74HC/HCT670

DC CHARACTERISTICS FOR 74HCT

For the DC characteristics see “74HC/HCT/HCU/HCMOS Logic Family Specifications”.

Output capability: bus driver

ICC category: MSI

Note to HCT types

The value of additional quiescent supply current (∆ICC) for a unit load of 1 is given in the family specifications.

To determine ∆ICC per input, multiply this value by the unit load coefficient shown in the table below.

INPUT

Dn

WE, WA

WB

RA

RB

RE

UNIT LOAD COEFFICIENT

0.25

0.40

0.60

0.70

1.10

1.35

December 1990

6

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