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SN74ALS169BN Specifications

Detailed technical information and Application Scenarios

Product Details

PartNumberManufactorQuantityAvailability
SN74ALS169BNTI283Yes

SN74ALS169BN is a synchronous 4-bit up/down binary counter manufactured by Texas Instruments (TI).

The SN74ALS169BN is a synchronous 4-bit up/down binary counter manufactured by Texas Instruments (TI).

Specifications:

  • Logic Family: ALS (Advanced Low-Power Schottky)
  • Number of Bits: 4
  • Counting Sequence: Up/Down
  • Supply Voltage Range: 4.5V to 5.5V
  • Operating Temperature Range: 0°C to +70°C
  • Package Type: PDIP (Plastic Dual In-Line Package)
  • Pin Count: 16
  • Propagation Delay: Typically 15ns (max)
  • Maximum Clock Frequency: 25MHz (typical)
  • Output Type: Standard (TTL-Compatible)
  • Load/Parallel Input Capability: 10 LSTTL Loads

Descriptions:

The SN74ALS169BN is a synchronous 4-bit up/down counter with parallel load capability. It features a synchronous counting operation, meaning the outputs change state simultaneously with the clock input. The direction of counting (up or down) is controlled by the up/down input. It also includes a parallel load feature for presetting the counter to a desired value.

Features:

  • Synchronous counting operation
  • Up/Down counting control
  • Parallel load capability
  • Fully synchronous for predictable timing
  • TTL-compatible inputs and outputs
  • Low power consumption (typical 32mW)
  • High noise immunity
  • Buffered clock and control inputs

This device is commonly used in digital counting applications, frequency division, and sequential logic circuits.

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