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HD74HC442 Datasheet, PDF (1/8 Pages) Hitachi Semiconductor – Quad. Tridirectional Bus Transceiver(with noninverted/inverted 3-state outputs)
HD74HC442, HD74HC443, HD74HC444
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)
REJ03D0627-0200
(Previous ADE-205-506)
Rev.2.00
Mar 30, 2006
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 S0 and S1 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
• High Speed Operation
• High Output Current: Fanout of 15 LSTTL Loads
• Wide Operating Voltage: VCC = 2 to 6 V
• Low Input Current: 1 µA max
• Low Quiescent Supply Current: ICC (static) = 4 µA max (Ta = 25°C)
• Ordering Information
Part Name
Package Type
Package Code
(Previous Code)
Package
Abbreviation
HD74HC442RPEL
PRSP0020DC-A
HD74HC443RPEL SOP-20 pin (JEDEC) (FP-20DBV)
RP
HD74HC444RPEL
Taping Abbreviation
(Quantity)
EL (1,000 pcs/reel)
Rev.2.00 Mar 30, 2006 page 1 of 7