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SN74LS161AN Specifications

Detailed technical information and Application Scenarios

Product Details

PartNumberManufactorQuantityAvailability
SN74LS161ANTI1579Yes

SN74LS161AN is a 4-bit synchronous binary counter manufactured by **MOTOROLA**.

The SN74LS161AN is a 4-bit synchronous binary counter manufactured by MOTOROLA.

Specifications:

  • Type: Synchronous 4-bit binary counter
  • Counting Mode: Synchronous (parallel load capability)
  • Operating Voltage: 5V (TTL-compatible)
  • Maximum Clock Frequency: 25 MHz (typical)
  • Propagation Delay: 20 ns (typical)
  • Power Dissipation: 93 mW (typical)
  • Operating Temperature Range: 0°C to +70°C
  • Package: 16-pin DIP (Dual In-line Package)

Descriptions:

  • The SN74LS161AN is a synchronous presettable counter with internal carry look-ahead for high-speed counting.
  • It features a parallel load input for presetting the counter to any desired value.
  • The clear input resets the counter to zero asynchronously.
  • It operates synchronously with the clock signal, ensuring precise timing.

Features:

  • Synchronous Counting: All flip-flops are clocked simultaneously.
  • Parallel Load Capability: Allows loading of any 4-bit binary number.
  • Asynchronous Clear: Resets the counter to zero independently of the clock.
  • Carry Look-Ahead: Enables high-speed cascading of multiple counters.
  • TTL-Compatible Inputs/Outputs: Ensures compatibility with standard TTL logic levels.

This information is based strictly on the manufacturer's datasheet for the SN74LS161AN by MOTOROLA.

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