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54ACT251L View Datasheet(PDF) - National ->Texas Instruments

Part Name54ACT251L National-Semiconductor
National ->Texas Instruments National-Semiconductor
Description8-Input Multiplexer with TRI-STATE® Output
54ACT251L Datasheet PDF : 10 Pages
1 2 3 4 5 6 7 8 9 10
August 1998
54AC251 54ACT251
8-Input Multiplexer with TRI-STATE® Output
General Description
The ’AC/’ACT251 is a high-speed 8-input digital multiplexer.
It provides, in one package, the ability to select one bit of
data from up to eight sources. It can be used as universal
function generator to generate any logic function of four vari-
ables. Both true and complementary outputs are provided.
Features
n ICC reduced by 50%
n Multifunctional capability
n On-chip select logic decoding
n Inverting and noninverting TRI-STATE outputs
n Outputs source/sink 24 mA
n ’ACT251 has TTL-compatible inputs
n Standard Military Drawing (SMD)
— ’AC251: 5962-87692
— ’ACT251: 5962-89599
Logic Symbols
IEEE/IEC
DS100284-1
Pin Names
S0– S2
OE
I0– I7
Z
Z
Description
Select Inputs
TRI-STATE Output Enable Input
Multiplexer Inputs
TRI-STATE Multiplexer Output
Complementary TRI-STATE Multiplexer
Output
DS100284-2
TRI-STATE® is a registered trademark of National Semiconductor Corporation.
FACT® is a registered trademark of Fairchild Semiconductor Corporation.
© 1998 National Semiconductor Corporation DS100284
www.national.com
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General Description
The ’AC/’ACT251 is a high-speed 8-input digital multiplexer. It provides, in one package, the ability to select one bit of data from up to eight sources. It can be used as universal function generator to generate any logic function of four variables. Both true and complementary outputs are provided.

Features
■ ICC reduced by 50%
■ Multifunctional capability
■ On-chip select logic decoding
■ Inverting and noninverting TRI-STATE outputs
■ Outputs source/sink 24 mA
■ ’ACT251 has TTL-compatible inputs
■ Standard Military Drawing (SMD)
   — ’AC251: 5962-87692
   — ’ACT251: 5962-89599

 

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