Manufacturer Part Number
CD74HC688M
Manufacturer
Texas Instruments
Introduction
The CD74HC688M is a high-speed CMOS logic identity comparator from Texas Instruments, encapsulated in a 20-SOIC package.
Product Features and Performance
8-bit identity comparator
High-speed performance
Type: Identity Comparator
Output Function: A=B signals when two 8-bit words match
Output is Active Low
Operating Temperature ranges from -55°C to 125°C
Product Advantages
Robust temperature range for versatile applications
Compact 20-SOIC package for space-saving
Low quiescent current of 8 µA conserves power
Key Technical Parameters
Voltage Supply: 2V to 6V
Current Output High, Low: 5.2mA
Maximum Propagation Delay: 29ns @ 6V, 50pF
Number of Bits: 8
Quality and Safety Features
Operates consistently within a wide temperature range
Meets standard CMOS technology requirements
Compatibility
Compatible with other CMOS and TTL logic families within specified voltage range
Application Areas
Industrial electronics
Data comparison systems
Microprocessor systems
Product Lifecycle
Discontinued at Digi-Key
Check manufacturer for replacement or upgrade options
Several Key Reasons to Choose This Product
Reliable high-speed operation optimizes system performance
Broad voltage supply range increases compatibility with various circuit designs
Minimal power consumption due to low quiescent current
Durable design suitable for harsh temperature environments
Effective for data integrity checks by comparing two 8-bit words