74191 IC

Binary Up/Down Counter IC – High-Speed Cascadable Digital Counter
This Binary Up/Down Counter IC is a versatile digital logic component designed for counting, timing, frequency division, event tracking, and sequential control applications. Featuring binary counting functionality with a single up/down control line, count enable input, ripple clock output, and asynchronous preset capability, this IC is ideal for embedded systems, digital electronics, and industrial control circuits. Its fast propagation delay and high clock frequency support make it suitable for high-speed counting applications.

Why it’s a System Essential:
• Binary Counting Capability: Supports accurate binary up and down counting operations.
• Single Up/Down Control Line: Simplifies directional counting control.
• Count Enable Input: Allows controlled counting operation and synchronization.
• Ripple Clock Output: Enables easy cascading for higher-bit counter applications.
• Asynchronous Preset Function: Supports fast parallel loading and initialization.
• Cascadable Architecture: Multiple ICs can be connected for extended n-bit counting systems.
• High-Speed Operation: Fast propagation delay and high clock frequency improve performance.

Technical Specifications:
• Counter Type: Binary Up/Down Counter IC
• Counting Function: Binary Counting
• Up/Down Control: Single Down/Up Count Control Line
• Count Enable Input: Available
• Ripple Clock Output: Available for Cascading
• Preset Capability: Asynchronously Presettable with Load Control
• Outputs: Parallel Outputs
• Cascading Support: Suitable for n-Bit Counter Applications

Performance Specifications:
• Average Propagation Delay: 20ns
• Typical Clock Frequency: 25MHz
• Typical Power Dissipation: 100mW

Features:
• High-speed binary counting
• Up/down directional counting
• Cascadable multi-bit operation
• Parallel output support
• Fast asynchronous preset function
• Reliable TTL/CMOS digital logic integration

Applications:
• Digital counter circuits
• Frequency divider systems
• Event counting applications
• Sequential control systems
• Timing and clock circuits
• Industrial automation systems
• Embedded digital electronics
• Educational electronics projects
• DIY logic and counter applications

Best For:
Ideal for students, hobbyists, makers, engineers, and electronics developers working on digital electronics, timing systems, binary counting applications, sequential logic circuits, automation systems, and embedded control projects requiring reliable high-speed counter functionality.