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Description
The 74FCT521A is an 8-bit identity comparator built using advanced dual metal CMOS technology. It compares two words of up to eight bits each and provides a low output when the two words match bit for bit. The expansion input IA = B also serves as an active low enable input.
Specifications and features
- IDT54/74FCT521: equivalent to FASTTM speed
- IDT54/74FCT521A: 35% faster than FAST
- IDT54/74FCT521B: 50% faster than FAST
- IDT54/74FCT521C: 60% faster than FAST
- Equivalent to FAST output drive over full temperature and voltage supply extremes
- IOL = 48mA (commercial), and 32mA (military)
- CMOS power levels (1mW typ. static)
- TTL input and output level compatible
- CMOS output level compatible
- Substantially lower input current levels than FAST (5µA max.)
- Product available in Radiation Tolerant and Radiation Enhanced versions
- JEDEC standard pinout for DIP and LCC
- Military product compliant to MIL-STD-883, Class B
Application Scenarios
The 74FCT521A can be used in various applications that require comparing two words of up to eight bits each. It is suitable for use in logic circuits, data processing systems, and other electronic devices where identity comparison is needed.
Comparison
Advantages:
- 35-60% faster than FAST technology
- Equivalent to FAST output drive over full temperature and voltage supply extremes
- Lower input current levels than FAST technology
- Available in Radiation Tolerant and Radiation Enhanced versions
Disadvantages:
- None identified
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Datasheet
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Popular parts of the same kind
- Datasheet: Download 74FCT521A
- Chipdatas Part: CD94-74FCT521A
- Warehouse: China, Hong Kong
- Dispatch: Within 24 hours
- Free Shipping: Yes
- Prority Shipping: Yes, 3-5 days
- Last Updated: 2024/06/03 07:47 +0800
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- Full or Partial Refund , If the item is not as described
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