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Numéro de référence | 54ACT253 | ||
Description | Dual 4-Input Multiplexer | ||
Fabricant | National Semiconductor | ||
Logo | |||
1 Page
www.DataSheet4U.com
August 1998
54AC253 • 54ACT253
Dual 4-Input Multiplexer with TRI-STATE® Outputs
General Description
The ’AC/’ACT253 is a dual 4-input multiplexer with
TRI-STATE outputs. It can select two bits of data from four
sources using common select inputs. The outputs may be in-
dividually switched to a high impedance state with a HIGH
on the respective Output Enable (OE) inputs, allowing the
outputs to interface directly with bus oriented systems.
n Multifunction capability
n Noninverting TRI-STATE outputs
n Outputs source/sink 24 mA
n ’ACT253 has TTL-compatible inputs
n Standard Military Drawing (SMD)
— ’AC253: 5962-87693
— ’ACT253: 5962-87761
Features
n ICC and IOZ reduced by 50%
Logic Diagrams
IEEE/IEC
DS100285-1
Pin Names
I0a– I3a
I0b– I3b
S0, S1
OEa
OEb
Za, Zb
Description
Side A Data Inputs
Side B Data Inputs
Common Select Inputs
Side A Output Enable Input
Side B Output Enable Input
TRI-STATE Outputs
DS100285-2
TRI-STATE® is a registered trademark of National Semiconductor Corporation.
FACT® is a registered trademark of Fairchild Semiconductor Corporation.
© 1998 National Semiconductor Corporation DS100285
www.national.com
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Pages | Pages 8 | ||
Télécharger | [ 54ACT253 ] |
No | Description détaillée | Fabricant |
54ACT251 | 8-Input Multiplexer | National Semiconductor |
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54ACT253 | Dual 4-Input Multiplexer | National Semiconductor |
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