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74LS669 Synchronous 4-Bit Up/Down Binary Counter IC (74669) DIP-14 Package

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Description

The 74LS669 is a synchronous 4-bit up/down binary counter IC that operates in binary mode, counting either up or down based on control inputs. It provides a versatile solution for counting applications in digital systems, such as frequency counters, event counters, and timekeeping circuits. The IC features synchronous operation, meaning all counting is synchronized with a common clock signal for reliable and precise counting.

Features

  • 4-Bit Counter: Counts from 0 to 15 in binary format.
  • Up/Down Counting: Can be configured to count either up or down based on control inputs.
  • Synchronous Operation: All flip-flops are clocked simultaneously for accurate counting.
  • Preset Capability: Allows loading of preset values into the counter.
  • TTL-Compatible: Compatible with standard TTL logic levels.
  • Clear and Load Functions: Includes inputs for asynchronous clear and parallel load operations.

Specifications

  • Logic family: 74LS (Low Power Schottky TTL).
  • Number of bits: 4 bits.
  • Number of pins: 14.
  • Package type: DIP-14 (Dual In-line Package with 14 pins).
  • Supply voltage (Vcc): 4.75V to 5.25V.
  • Input voltage: TTL level inputs.
  • Output current: Typically sinks up to 16mA per output.
  • Propagation delay: Typically 25ns.
  • Power consumption: Low due to Schottky technology.
  • Operating temperature range: 0°C to 70°C.

Note

* Product Images are shown for illustrative purposes only and may differ from actual product

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