74HC648 Просмотр технического описания (PDF) - Philips Electronics

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производитель

74HC648

Octal bus transceiver/register; 3-state; inverting

Philips Electronics 

Philips Semiconductors

Octal bus transceiver/register; 3-state;

inverting

Product specification

74HC/HCT648

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

SAB, SBA

A0 to A7; and B0 to B7;

UNIT LOAD COEFFICIENT

0.60

0.75

INPUT

CPAB; CPBA;

OE

DIR

UNIT LOAD COEFFICIENT

1.50

1.50

1.25

December 1990

7

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