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Fairchild Semiconductor - Dual 1-of-4 Decoder/Demultiplexer

Numéro de référence 74AC139PC
Description Dual 1-of-4 Decoder/Demultiplexer
Fabricant Fairchild Semiconductor 
Logo Fairchild Semiconductor 





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74AC139PC fiche technique
November 1988
Revised November 1999
74AC139 74ACT139
Dual 1-of-4 Decoder/Demultiplexer
General Description
The AC/ACT139 is a high-speed, dual 1-of-4 decoder/
demultiplexer. The device has two independent decoders,
each accepting two inputs and providing four mutually-
exclusive active-LOW outputs. Each decoder has an
active-LOW Enable input which can be used as a data
input for a 4-output demultiplexer. Each half of the AC/
ACT139 can be used as a function generator providing all
four minterms of two variables.
Features
s ICC reduced by 50%
s Multifunction capability
s Two completely independent 1-of-4 decoders
s Active LOW mutually exclusive outputs
s Outputs source/sink 24 mA
s ACT139 has TTL-compatible inputs
Ordering Code:
Order Number Package Number
Package Description
74AC139SC
M16A
16-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-012, 0.150Narrow Body
74AC139SJ
M16D
16-Lead Small Outline Package (SOIC), EIAJ Type II, 5.3mm Wide
74AC139MTC
MTC16
16-Lead Thin Shrink Small Outline Package (TSSOP), JEDEC MO-153, 4.4mm Wide
74AC139PC
N16E
16-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-001, 0.300Wide
74ACT139SC
M16A
16-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-012, 0.150Narrow Body
74ACT139SJ
M16D
16-Lead Small Outline Package (SOIC), EIAJ Type II, 5.3mm Wide
74ACT139MTC
MTC16
16-Lead Thin Shrink Small Outline Package (TSSOP), JEDEC MO-153, 4.4mm Wide
74ACT139PC
N16E
16-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-001, 0.300Wide
Device also available in Tape and Reel. Specify by appending suffix letter “X” to the ordering code.
Connection Diagram
Pin Descriptions
Pin Names
A0, A1
E
O0O3
Description
Address Inputs
Enable Inputs
Outputs
FACTis a trademark of Fairchild Semiconductor Corporation.
© 1999 Fairchild Semiconductor Corporation DS009926
www.fairchildsemi.com

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