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Partno Mfg Dc Qty AvailableDescript
74157NSN/a2800avaiQuad 2-Line to 1-Line Data Selectors/Multiplexers
DM54157JNS?N/a50avaiQuad 2-Line to 1-Line Data Selectors/Multiplexers
DM74157NNSCN/a10avaiQuad 2-Line to 1-Line Data Selectors/Multiplexers
54157DMQBFN/a20avaiQuad 2-Line to 1-Line Data Selectors/Multiplexers


74157 ,Quad 2-Line to 1-Line Data Selectors/MultiplexersFeaturesYBuffered inputs and outputsThese data selectors/multiplexers contain inverters andYdrivers ..
74161PC ,V(cc): +5V; synchronous presettable binary counter
74162 , SYNCHRONOUS 4-BIT COUNTERS
74163DC ,V(cc): +5V; synchronous presettable binary counter
74163PC ,V(cc): +5V; synchronous presettable binary counter
74180PC , 8-BIT PARITY GENERATOR/CHECKER
74F538 ,1-of-8 Decoder with 3-STATE Outputs74F538 1-of-8 Decoder with 3-STATE OutputsApril 1988Revised October 200074F5381-of-8 Decoder with 3 ..
74F538PC ,1-of-8 Decoder with 3-STATE Outputs74F538 1-of-8 Decoder with 3-STATE OutputsApril 1988Revised January 200474F5381-of-8 Decoder with 3 ..
74F538SCX ,1-of-8 Decoder with 3-STATE Outputs74F538 1-of-8 Decoder with 3-STATE OutputsApril 1988Revised January 200474F5381-of-8 Decoder with 3 ..
74F539 ,Octal D-Type Flip-Flop with 3-STATE OutputsGeneral DescriptionThe 74F539 contains two independent decoders. Eachaccepts two Address (A , A ) i ..
74F539PC ,Dual 1-of-4 Decoder with 3-STATE OutputsGeneral DescriptionThe 74F539 contains two independent decoders. Eachaccepts two Address (A , A ) i ..
74F539SC ,Dual 1-of-4 Decoder with 3-STATE OutputsGeneral DescriptionThe 74F539 contains two independent decoders. Eachaccepts two Address (A , A ) i ..


54157DMQB-74157-DM54157J-DM74157N
Quad 2-Line to 1-Line Data Selectors/Multiplexers
TL/F/6550
54157/DM54157/DM74157
Quad
2-Line
1-Line
Data
Selectors/Multiplexers
June 1989
54157/DM54157/DM74157
Quad 2-Line to 1-Line Data Selectors/Multiplexers
General Description
These data selectors/multiplexers contain inverters and
driversto supplyfull on-chip data selectiontothe fourout-
put gates.A separate strobe inputis provided.A 4-bit word selected fromoneof twosourcesandis routedtothefour
outputs.
Applications Expandany data input point Multiplex dual data buses Generate four functionsof two variables (one variable common) Source programmable counters
Features Buffered inputsand outputs Typical propagation time9ns Typical power dissipation 150mW Alternate Military/Aerospace device (54157)is avail-
able. Contacta National Semiconductor Sales Office/
Distributorfor specifications.
Connection Diagram
Dual-In-Line Package
TL/F/6550–1
Order Number 54157DMQB, 54157FMQB,DM54157J, DM54157Wor DM74157N
SeeNS PackageNumberJ16A, N16Eor W16A
Function Table
Inputs OutputY
Strobe Select A B X X L L X L H X H X L L X H HeHigh Level,LeLow Level,Xe Don’tCare
C1995National SemiconductorCorporation RRD-B30M105/PrintedinU.S.A.
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