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74AC138SC fiches techniques PDF

Fairchild Semiconductor - 1-of-8 Decoder/Demultiplexer

Numéro de référence 74AC138SC
Description 1-of-8 Decoder/Demultiplexer
Fabricant Fairchild Semiconductor 
Logo Fairchild Semiconductor 





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74AC138SC fiche technique
November 1988
Revised August 2000
74AC138 74ACT138
1-of-8 Decoder/Demultiplexer
General Description
The AC/ACT138 is a high-speed 1-of-8 decoder/demulti-
plexer. This device is ideally suited for high-speed bipolar
memory chip select address decoding. The multiple input
enables allow parallel expansion to a 1-of-24 decoder
using just three AC/ACT138 devices or a 1-of-32 decoder
using four AC/ACT138 devices and one inverter.
Features
s ICC reduced by 50%
s Demultiplexing capability
s Multiple input enable for easy expansion
s Active LOW mutually exclusive outputs
s Outputs source/sink 24 mA
s ACT138 has TTL-compatible inputs
Ordering Code:
Order Number Package Number
Package Description
74AC138SC
M16A
16-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-012, 0.150 Narrow
74AC138SJ
M16D
16-Lead Small Outline Package (SOP), EIAJ TYPE II, 5.3mm Wide
74AC138MTC
MTC16
16-Lead Thin Shrink Small Outline Package (TSSOP), JEDEC MO-153, 4.4mm Wide
74AC138PC
N16E
16-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-001, 0.300 Wide
74ACT138SC
M16A
16-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-012, 0.150 Narrow
74ACT138SJ
M16D
16-Lead Small Outline Package (SOP), EIAJ TYPE II, 5.3mm Wide
74ACT138PC
N16E
16-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-001, 0.300 Wide
Device also available in Tape and Reel. Specify by appending suffix letter “X” to the ordering code.
Connection Diagram
Logic Symbols
Pin Descriptions
Pin Names
A0A2
E1E2
E3
O0O7
Description
Address Inputs
Enable Inputs
Enable Input
Outputs
FACTis a trademark of Fairchild Semiconductor Corporation.
© 2000 Fairchild Semiconductor Corporation DS009925
IEEE/IEC
www.fairchildsemi.com

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