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SN54AS169A

Part Number	SN54AS169A
Manufacturer	Texas Instruments
Description	Synchronous 4-Bit Up/Down Binary Counter
Published	Dec 10, 2020
Detailed Description	SN54ALS169B, SN54AS169A, SN74ALS169B, SN74AS169A SYNCHRONOUS 4ĆBIT UP/DOWN BINARY COUNTERS • Fully Synchronous Operatio...
Datasheet	SN54AS169A PDF File

Overview

SN54ALS169B, SN54AS169A, SN74ALS169B, SN74AS169A SYNCHRONOUS 4ĆBIT UP/DOWN BINARY COUNTERS • Fully Synchronous Operation for Counting and Programming • Internal Carry Look-Ahead Circuitry for Fast Counting • Carry Output for n-Bit Cascading • Fully Independent Clock Circuit • Package Options Include Plastic Small-Outline (D) Packages, Ceramic Chip Carriers (FK), and Standard Plastic (N) and Ceramic (J) 300-mil DIPs description SDAS125B − MARCH 1984 − REVISED DECEMBER 1994 SN54ALS169B, SN54AS169A .
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J PACKAGE SN74ALS169B, SN74AS169A .
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D OR N PACKAGE (TOP VIEW) U/D 1 CLK 2 A3 B4 C5 D6 ENP 7 GND 8 16 VCC 15 RCO 14 QA 13 QB 12 QC 11 QD 10 ENT 9 LOAD These synchronous 4-bit up/down binary presettable counters feature an internal carry look-ahead circuitry for cascading in high-speed counting applications.
Synchronous operation is provided by having all flip-flops clocked simultaneously so that the outputs change coincident with each other when so instructed by the count-enable (...

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