HD74LVC2244A Datasheet, PDF (1/10 Pages) Hitachi Semiconductor – Octal Buffers / Line Drivers with 3-state Outputs

HD74LVC2244A
Octal Buffers / Line Drivers with 3–state Outputs
REJ03D0376–0300
(Previous ADE-205-234A (Z))
Rev.3.00
Aug. 20, 2004
Description
The HD74LVC2244A has eight line drivers with three state outputs in a 20 pin package. This device is a noninverting
buffer and has two active low enables (1G and 2G). Each enable independently controls four buffers.
All outputs, which are designed to sink up to 12mA, include equivalent 26 Ω resistors to reduce overshoot and
undershoot.
Low voltage and high-speed operation is suitable at battery drive product (note type personal computer) and low power
consumption extends the life of a battery for long time operation.
Features
• V_CC = 1.65 to 5.5 V
• All inputs V_IH (Max) = 5.5 V (@V_CC = 0 to 5.5 V)
• All outputs V_O (Max) = 5.5 V (@V_CC = 0 V or output off state)
• Typical V_OL ground bounce < 0.8 V (@V_CC = 3.3 V, Ta = 25°C)
• Typical V_OH undershoot > 2.0 V (@V_CC = 3.3 V, Ta = 25°C)
• High output current ±12mA (@V_CC = 3.0 to 5.5 V)
• All outputs have equivalent 26 Ω series resistors, so no external resistors are required
• Ordering Information
Part Name
Package Type
Package Code
Package
Abbreviation
HD74LVC2244AFPEL SOP–20 pin (JEITA) FP–20DAV
FP
HD74LVC2244ATELL TSSOP–20 pin
TTP–20DAV
T
Note: Please consult the sales office for the above package availability.
Taping Abbreviation
(Quantity)
EL (2,000 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: Immaterial
Z: High impedance
Output Y
Z
H
L
Rev.3.00 Aug. 20, 2004 page 1 of 9