74F579D - Brand New PHILIPS Counters / Dividers
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Description
The 74F579D is a fully synchronous 8-stage Up/Down Counter with multiplexed 3-State I/O ports for bus-oriented applications. It features a preset capability for programmable operation, carry look-ahead for easy cascading, and a U/D input to control the direction of counting. All state changes, except for the case of asynchronous reset, are initiated by the rising edge of the clock. TC output is not recommended for use as a clock or asynchronous reset due to the possibility of decoding spikes.
Specifications and features
- Fully synchronous operation
- Multiplexed 3-State I/O ports for bus-oriented applications
- Built-in cascading carry capability
- U/D pin to control direction of counting
- Separate pins for Master reset and Synchronous operation
- Center power pins to reduce effects of package inductance
- Count frequency 115MHz Typ
- Supply current 100mA Typ
- See 74F269 for 24-pin separate I/O port version
- See 74F779 for 16-pin versionApplication Scenarios
The 74F579D can be used in various applications, including:
- Bus-oriented systems
- Counting or dividing operations
- Cascading with other counters
- Programmable control systems
Comparison
Advantages- Fully synchronous operation ensures accurate and reliable counting
- Multiplexed 3-State I/O ports allow for flexible interfacing with bus-oriented applications
- Built-in cascading carry capability simplifies system design and expands counting range
- U/D pin provides control over the counting direction, allowing for versatile use in different applications
- Separate pins for Master reset and Synchronous operation offer flexibility in system control
- Center power pins reduce the impact of package inductance, enhancing overall performance
Disadvantages- TC output is not recommended for use as a clock or asynchronous reset, limiting specific use cases
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Similar parts: 1496 , Click to view
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Datasheet
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Shopping guide
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Popular parts of the same kind
- Datasheet: Download 74F579D
- Chipdatas Part: CD94-74F579D
- Warehouse: China, Hong Kong
- Dispatch: Within 24 hours
- Free Shipping: Yes
- Prority Shipping: Yes, 3-5 days
- Last Updated: 2024/06/12 23:46 +0800
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- Full or Partial Refund , If the item is not as described
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