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SN74LS161A

ON Semiconductor
Part Number SN74LS161A
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 PDF File SN74LS161A PDF File

SN74LS161A
SN74LS161A


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 ...



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