MM54HC688J
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- Mfr.Part #
- MM54HC688J
- Manufacturer
- National Semiconductor
- Package / Case
- Datasheet
- Download
- Description
- IDENTITY COMPARATOR
- Stock
- 972
- In Stock ：
- 972
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- Manufacturer :
- National Semiconductor
- Product Category :
- Comparators
- Terminal Form :
- THROUGH-HOLE
- Family :
- HC/UH
- Additional Feature :
- CASCADABLE
- JESD-30 Code :
- R-GDIP-T20
- Peak Reflow Temperature (Cel) :
- NOT SPECIFIED
- Terminal Position :
- Dual
- Reach Compliance Code :
- Unknown
- Terminal Pitch :
- 2.54 mm
- Number of Functions :
- 1
- Length :
- 24.51 mm
- Package Shape :
- RECTANGULAR
- Supply Voltage-Min (Vsup) :
- 2 V
- Propagation Delay (tpd) :
- 263 ns
- Logic IC Type :
- IDENTITY COMPARATOR
- Temperature Grade :
- Military
- HTS Code :
- 8542.39.00.01
- Terminal Finish :
- TIN LEAD
- Seated Height-Max :
- 5.08 mm
- Pbfree Code :
- No
- Pin Count :
- 20
- Width :
- 7.62 mm
- Number of Terminals :
- 20
- Number of Bits :
- 8
- Qualification Status :
- Not Qualified
- JESD-609 Code :
- e0
- Surface Mount :
- No
- Output Polarity :
- INVERTED
- Supply Voltage-Max (Vsup) :
- 6 V
- Datasheets
- MM54HC688J
Comparators National Semiconductor MM54HC688J Overview
The MM54HC688J from National Semiconductor stands out in the field of digital electronics as a high-quality identity comparator. This product is designed to handle precision comparison operations in complex electronic systems. Built to offer robust performance, the MM54HC688J efficiently compares two 8-bit words and provides a logic output indicating equality. This capability is crucial for systems requiring high accuracy and speed in their comparison processes. Its design focuses on reducing power consumption while maintaining high functionality, making it an ideal choice for battery-operated devices and energy-sensitive applications. The integration of advanced High-Speed CMOS technology ensures that the MM54HC688J operates with reduced power requirements without compromising on speed or performance, aligning perfectly with the needs of modern digital electronics where efficiency is paramount.
MM54HC688J Features
The MM54HC688J identity comparator incorporates several features that make it an essential component for high-performance digital circuits. Key features include low power consumption, a wide operating voltage range from 2V to 6V, and high noise immunity characteristic of CMOS technology. Moreover, the device supports a direct interface with TTL levels, ensuring compatibility with older logic families and facilitating upgrades in existing systems.
MM54HC688J Applications
- Memory Address Matching: The MM54HC688J can be used in computer systems to compare memory addresses, ensuring data is retrieved from or stored in the correct locations, thus enhancing system reliability and performance.
- Data Integrity Checks: In networking hardware, such as routers and switches, the MM54HC688J verifies data integrity by comparing incoming data against stored values, crucial for error checking and correction processes.
- Peripheral Device Control: This comparator is ideal for controlling peripheral devices in microcontroller-based systems by comparing status registers or device outputs, facilitating precise control and monitoring.
- Voting Systems: Used in electronic voting machines, the MM54HC688J ensures that the votes cast are accurately recorded and compared against registered entries, thus upholding the integrity of the voting process.
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