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PDF 54ABT240 Data sheet ( Hoja de datos )

Número de pieza 54ABT240
Descripción Octal Buffer/Line Driver with TRI-STATE Outputs
Fabricantes National Semiconductor 
Logotipo National Semiconductor Logotipo



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No Preview Available ! 54ABT240 Hoja de datos, Descripción, Manual

July 1998
54ABT240
Octal Buffer/Line Driver with TRI-STATE® Outputs
General Description
The ’ABT240 is an inverting octal buffer and line driver de-
signed to be employed as a memory address driver, clock
driver and bus oriented transmitter or receiver which pro-
vides improved PC board density.
n Guaranteed latchup protection
n High impedance glitch free bus loading during entire
power up and power down cycle
n Nondestructive hot insertion capability
n Standard Microcircuit Drawing (SMD) — 5962-9318801
Features
n Output sink capability of 48 mA, source capability of
24 mA
Ordering Code
Military
54ABT240J-QML
54ABT240W-QML
54ABT240E-QML
Connection Diagrams
Package
Number
J20A
W20A
E20A
Package Description
20-Lead Ceramic Dual-In-Line
20-Lead Cerpack
20-Lead Ceramic Leadless Chip Carrier, Type C
Pin Assignment
for DIP and Flatpak
Pin Assignment
for LCC
DS100202-1
DS100202-2
Pin Names
OE1, OE2
I0– I7
O0– O7
Description
TRI-STATE Output
Enable Inputs
Inputs
Outputs
TRI-STATE® is a registered trademark of National Semiconductor Corporation.
© 1998 National Semiconductor Corporation DS100202
www.national.com

1 page




54ABT240 pdf
AC Waveforms
DS100202-6
FIGURE 4. TRI-STATE Output HIGH
and LOW Enable and Disable Times
DS100202-7
FIGURE 5. Propagation Delay Waveforms for
Inverting and Non-Inverting Functions
5 www.national.com

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