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HD74HC244 Datasheet, PDF (1/8 Pages) Hitachi Semiconductor – Octal Buffers/Line Drivers/Line Receivers(with noninverted 3-state outputs)
HD74HC244
Octal Buffers/Line Drivers/Line Receivers
(with noninverted 3-state outputs)
REJ03D0597–0200
(Previous ADE-205-474)
Rev.2.00
Jan 31, 2006
Description
The HD74HC244 is a non-inverting buffer and has two active low enables (1G and 2G). Each enable independently
controls 4 buffers.
This device does not have schmitt trigger inputs.
Features
• High Speed Operation: tpd = 11 ns typ (CL = 50 pF)
• 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
HD74HC244P
DILP-20 pin
PRDP0020AC-B P
(DP-20NEV)
HD74HC244FPEL SOP-20 pin (JEITA)
PRSP0020DD-B
(FP-20DAV)
FP
PRSP0020DC-A
HD74HC244RPEL SOP-20 pin (JEDEC) (FP-20DBV)
RP
HD74HC244TELL TSSOP-20 pin
PTSP0020JB-A
T
(TTP-20DAV)
Note: Please consult the sales office for the above package availability.
Taping Abbreviation
(Quantity)
—
EL (2,000 pcs/reel)
EL (1,000 pcs/reel)
ELL(2,000 pcs/reel)
Function Table
Inputs
G
A
H
X
L
H
L
L
H : high level
L : low level
X : irrelevant
Z : off (high-impedance) state of a 3-state output
Output
Y
Z
H
L
Rev.2.00 Jan 31, 2006 page 1 of 7