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SN74LS163A

Part Number	SN74LS163A
Manufacturer	ON Semiconductor
Description	BCD Decade Counters / 4-Bit Binary Counters
Published	Jan 20, 2016
Detailed Description	SN74LS161A, SN74LS163A BCD Decade Counters/ 4−Bit Binary Counters The LS161A/163A are high-speed 4-bit synchronous coun...
Datasheet	SN74LS163A PDF File

Overview

SN74LS161A, SN74LS163A BCD Decade Counters/ 4−Bit Binary Counters The LS161A/163A are high-speed 4-bit synchronous counters.
They are edge-triggered, synchronously presettable, and cascadable MSI building blocks for counting, memory addressing, frequency division and other applications.
The LS161A and LS163A count modulo 16 (binary).
The LS161A has an asynchronous Master Reset (Clear) input that overrides, and is independent of, the clock and all other control inputs.
The LS163A has a Synchronous Reset (Clear) input that overrides all other control inputs, but is active only during the rising clock edge.
Asynchronous Reset Synchronous Reset Binary (Modulo 16) LS161A LS163A • Synchronous Counting and Loading • Two Count Enable Inputs for High Speed Synchronous Expansion • Terminal Count Fully Decoded • Edge-Triggered Operation • Typical Count Rate of 35 MHz • ESD > 3500 Volts GUARANTEED OPERATING RANGES Symbol Parameter Min Typ Max Unit VCC Supply Voltage TA Operating Ambient Temperature Range 4.
75 5.
0 5.
25 V 0 25 70 °C IOH Output Current − High IOL Output Current − Low − 0.
4 8.
0 mA mA © Semiconductor Components Industries, LLC, 2006 July, 2006 − Rev.
2 1 http://onsemi.
com LOW POWER SCHOTTKY 16 1 PLASTIC N SUFFIX CASE 648 16 1 SOIC D SUFFIX CASE 751B 16 1 SOEIAJ M SUFFIX CASE 966 ORDERING INFORMATION Device Package Shipping SN74LS161AN 16 Pin DIP 2000 Units/Box SN74LS161AD SOIC−16 38 Units/Rail SN74LS161ADR2 SOIC−16 2500/Tape & Reel SN74LS161AM SOEIAJ−16 See Note 1 SN74LS161AMEL SOEIAJ−16 See Note 1 SN74LS163AN 16 Pin DIP 2000 Units/Box SN74LS163AD SOIC−16 38 Units/Rail SN74LS163ADR2 SOIC−16 2500/Tape & Reel SN74LS163AM SOEIAJ−16 See Note 1 SN74LS163AMEL SOEIAJ−16 See Note 1 1.
For ordering information on the EIAJ version of the SOIC package, please contact your local ON Semiconductor representative.
Publication Order Number: SN74LS161A/D SN74LS161A, SN74LS163A CONNECTION DIAGRAM DIP (TOP VIEW) VCC TC Q0 Q1 Q2 Q3 ...

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