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DM74125NNSN/a110avaiQuad TRI-STATE Buffers
54125N/a6avaiQuad TRI-STATE Buffers


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54125-DM74125N
Quad TRI-STATE Buffers
TL/F/6540
54125/DM54125/DM74125
Quad
TRI-STATE
Buffers
June 1989
54125/DM54125/DM74125
Quad TRI-STATEÉ Buffers
General Description
This device contains four independent gates eachof which
performsa non-inverting buffer function. The outputs have
the TRI-STATE feature. When enabled,the outputs exhibit
thelow impedance characteristicsofa standard TTL output
with additional drive capabilityatthe high Logic leveltoper-
mitthe drivingofbus lines without external pull-up resistors.
When disabled, boththe output transistorsare turnedoff
presentinga high-impedance statetothebus line. Thusthe
outputwillact neitherasa significant loadnorasa driver. minimizethe possibility thattwo outputswill attemptto
takea commonbusto opposite logiclevels,the disabletime shorter thanthe enable timeofthe outputs.
Features Alternate Military/Aerospace device (54125)is avail-
able. Contacta National Semiconductor Sales Office/
Distributorfor specifications.
Connection Diagram
Dual-In-Line Package
TL/F/6540–1
Order Number 54125DMQB, 54125FMQB,DM54125J, DM54125Wor DM74125N
SeeNS Package Number J14A,N14Aor W14B
Function TableeA
Inputs Output Y L H H Hi-ZeHigh Logic LeveleLow Logic Levele EitherLoworHigh Logic Level
Hi-Ze TRI-STATE (Outputsare disabled)
TRI-STATEÉ isaregistered trademarkof National SemiconductorCorporation.
C1995National SemiconductorCorporation RRD-B30M105/PrintedinU.S.A.
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