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74ACTQ16374
16-Bit D Flip-Flop with TRI-STATE Outputs
TL/F/10935
54ACTQ/74ACTQ16374
16-Bit
Flip-Flop
with
TRI-STATE
Outputs
March 1993
54ACTQ/74ACTQ16374
16-BitD Flip-Flop with TRI-STATEÉ Outputs
General Description
The ’ACTQ16374 contains sixteen non-invertingD flip-flops
with TRI-STATE outputs andis intendedfor bus oriented
applications.The deviceis byte controlled.A buffered clock
(CP)and Output Enable (OE)are commonto each byteand
canbe shorted togetherforfull 16-bit operation.
The ’ACTQ16245 utilizes NSC Quiet Series technologyto
guarantee quiet output switching and improved dynamic
threshold performance. FACT Quiet SeriesTM features
GTOTM output controlfor superior performance.
Features Utilizes NSC FACT Quiet Series technology Guaranteed simultaneous switching noise leveland
dynamic threshold performance Guaranteed pin-to-pin output skew Buffered Positive edge-triggered clock Separate control logicfor each byte 16-bit versionofthe ’ACTQ374 Outputs source/sink24mA Additional specsfor Multiple Output Switching Output loadings specsfor both50pFand250pF loads
Logic Symbol
TL/F/10935–1
Pin Description
Pin DescriptionNames
OEn Output Enable Input (Active Low)
CPn Clock Pulse Input
I0–I15 Inputs
O0–O15 Outputs
Connection Diagram
Pin Assignmentfor
SSOPand CERPAK
TL/F/10935–2
TRI-STATEÉ isaregistered trademarkof National SemiconductorCorporation.
FACTTM,FACTQuiet SeriesTMand GTOTMare trademarksof NationalSemiconductor Corporation.
C1995National SemiconductorCorporation RRD-B30M75/PrintedinU.S.A.
