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HD74LS669P Specifications

Detailed technical information and Application Scenarios

Product Details

PartNumberManufactorQuantityAvailability
HD74LS669PHIT300Yes

HD74LS669P is a 4-bit synchronous up/down binary counter manufactured by Hitachi (HIT).

The HD74LS669P is a 4-bit synchronous up/down binary counter manufactured by Hitachi (HIT).

Specifications:

  • Logic Family: LS (Low-Power Schottky)
  • Type: Synchronous 4-bit Up/Down Counter
  • Operating Voltage: 4.75V to 5.25V
  • Clock Frequency: Up to 35 MHz (typical)
  • Counting Modes: Up or Down (selectable via control input)
  • Parallel Load Capability: Yes
  • Output Type: TTL-Compatible
  • Package Type: 16-pin DIP (Dual In-line Package)
  • Operating Temperature Range: 0°C to +70°C

Descriptions:

The HD74LS669P is a synchronous 4-bit counter with parallel load and up/down counting capabilities. It features internal carry look-ahead for high-speed operation and can be cascaded for larger counting ranges.

Features:

  • Synchronous counting for reduced output ripple
  • Parallel load for preset initialization
  • Up/Down counting controlled by a single input
  • Carry output for cascading multiple counters
  • TTL-compatible inputs and outputs
  • Low power consumption typical of LS series

This information is strictly factual and based on manufacturer specifications.

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