Professional IC Distribution & Technical Solutions

The 74S225N is a digital integrated circuit (IC) manufactured by SIGNETIC. Below are its key specifications, descriptions, and features:

Specifications:

• Manufacturer: SIGNETIC
• Series: 74S
• Logic Family: Schottky TTL (Transistor-Transistor Logic)
• Function: 4-Bit Binary Counter
• Package Type: DIP (Dual In-line Package)
• Number of Pins: 16
• Operating Voltage: 5V (Standard TTL)
• Operating Temperature Range: 0°C to +70°C (Commercial grade)
• Propagation Delay: Typically 10ns (Schottky-clamped for high speed)
• Output Type: Standard TTL (Totem-pole output)

Descriptions:

• The 74S225N is a 4-bit synchronous binary counter with parallel load capability.
• It operates in synchronous mode, meaning all flip-flops are clocked simultaneously.
• Features asynchronous clear (reset) for immediate counter reset.
• Designed for high-speed counting applications due to Schottky TTL technology.

Features:

• Synchronous Counting: Ensures precise timing in digital systems.
• Parallel Load Inputs: Allows preloading a binary value into the counter.
• Asynchronous Clear: Resets the counter independently of the clock.
• Schottky Diode Clamping: Reduces storage time for faster switching.
• Wide Operating Voltage: Compatible with standard 5V TTL logic levels.
• 16-Pin DIP Package: Easy to integrate into breadboards and PCBs.

This IC is commonly used in frequency dividers, digital clocks, and sequential logic circuits requiring high-speed counting operations.

(Note: Always refer to the official datasheet for detailed electrical characteristics and application notes.)