Description

SN74S169N — High-Speed 4-Bit Synchronous Up/Down Binary Counter IC (TTL)

SN74S169N is a high-speed 4-bit synchronous up/down binary counter designed using Schottky TTL logic.
It provides parallel load, asynchronous clear, and direction control for both up and down counting.
This IC is ideal for digital counters, clock dividers, frequency control, and sequence logic systems.

Key Features

• 4-bit synchronous up/down binary counter (counts 0–15)
• High-speed Schottky TTL logic family (SN74S series)
• Asynchronous clear (active low) for immediate reset
• Parallel data load for presettable values
• Count enable and direction (Up/Down) control inputs
• TTL voltage compatibility — 5V operation
• Available in DIP-16 package — SN74S169N
• Compatible with cascading for multi-stage counting

Technical Specifications

Logic Family	SN74S Series (Schottky TTL)
Number of Bits	4-bit binary counter (0–15)
Supply Voltage (Vcc)	+5 V typical
Input Compatibility	TTL logic levels
Package Type	DIP-16 (SN74S169N)
Operating Temperature	0°C to +70°C (commercial range)

Applications

• Digital counters and event counters
• Clock and frequency divider circuits
• Sequential logic and state machines
• Digital control panels and timing systems
• Educational and prototype digital circuits

Package Includes

• 1 x SN74S169N IC (DIP-16 package)
• Antistatic packaging for safe delivery

datasheet

Why Choose This IC?

The SN74S169N is a classic high-speed TTL logic counter with proven reliability and
excellent timing performance. Whether for prototyping, teaching, or building advanced logic circuits,
it’s a dependable choice for consistent performance in digital electronics applications.

Specifications Summary

• Manufacturer: Texas Instruments / Compatible
• Part Number: SN74S169N
• Category: Logic ICs – Counters, Dividers
• RoHS Status: Compliant