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HC74HC444 Datasheet

IC型號：
HC74HC444
PDF描述：
Quad. Tridirectional Bus Transceiver(with noninverted/invert...
文件大?。?/label>
84.74KB
PDF頁數：
12頁
芯片廠家：
HITACHI

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HD74HC442/HD74HC443/HC74HC444

Quad. Tridirectional Bus Transceiver

(with noninverted 3-state outputs)

Quad. Tridirectional Bus Transceiver

(with inverted 3-state outputs)

Quad Tridirectional Bus Transceiver

(with noninverted/inverted 3-state outputs)

Description

These bus transceivers are designed for a synchronous three-way communication between four-line data

buses. They give the designer a choice of selecting inverting, noninverting or a combination of inverting

and noninverting data paths with 3-state outputs.

The S

0

and S

1

inputs select the bus from which data are to be transferred. The

G

inputs enable the bus or

buses to which data are to be transferred. The port for any bus selected for input and any other bus not

enabled for output will be at high impedance.

Features

鈥?/div>

鈥?/div>

鈥?/div>

鈥?/div>

鈥?/div>

High Speed Operation

High Output Current: Fanout of 15 LSTTL Loads

Wide Operating Voltage: V

CC

= 2 to 6 V

Low Input Current: 1 碌A max

Low Quiescent Supply Current: I

CC

(static) = 4 碌A max (Ta = 25擄C)

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