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CD74ACT191E

Part No CD74ACT191E
Manufacturer Intersil Corporation
Catalog Custom Parts (B - D)
Description Contact for details
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Rohs State Need to verify
ECAD Module
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Win Source Part Number 1214412-CD74ACT191E
Categories Custom Parts
Manufacturer Intersil Corporation
Popularity Medium
Supply and Demand Status Limited
Ultra Librarian 3D Model Ultra Librarian CD74ACT191E CAD Model

Description

The CD74ACT191E is a synchronous 4-bit up/down binary counter manufactured by Intersil Corporation (now Renesas). It features synchronous counting operation, a preset capability, and ripple carry output for cascading multiple devices.

Applications:

  • Frequency Dividers
  • Digital Timers
  • Address Counters
  • Sequencers
  • Control Systems

Features:

  • Synchronous Counting
  • Up/Down Counting Mode
  • Preset Capability
  • Ripple Carry Output
  • High-Speed Operation
  • Low Power Consumption
  • TTL Compatibility

Benefits:

  • Precise Counting: Synchronous operation ensures accurate counting.
  • Versatile Functionality: Up/down counting and preset capability enable flexible use in various applications.
  • Expandable: Ripple carry output allows for cascading multiple devices to create larger counters.
  • High Performance: High-speed operation allows for use in high-frequency applications.
  • Energy Efficient: Low power consumption reduces power requirements.
  • Easy Integration: TTL compatibility simplifies interfacing with other digital logic circuits.

Additional Details:

The CD74ACT191E operates from a supply voltage of 4.5V to 5.5V. It is available in a PDIP-16 package. The synchronous counting operation means that all flip-flops change state simultaneously on the rising or falling edge of the clock signal. The up/down control input determines the counting direction. The preset inputs allow the counter to be initialized to a specific value. The ripple carry output is asserted when the counter reaches its maximum or minimum count, depending on the counting direction. The datasheet from Renesas (formerly Intersil) provides detailed information on the device's electrical characteristics, timing diagrams, and application circuits. Proper power supply decoupling is recommended to ensure stable operation. The device is typically used in conjunction with other logic gates and flip-flops to implement complex digital systems.

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