Manufacturer Part Number
SN54F521J
Manufacturer
Texas Instruments
Introduction
The SN54F521J is an 8-bit identity comparator designed for use in logic comparison applications.
Product Features and Performance
8-bit binary or BCD identity comparator
Active low output for matching conditions (A=B)
Designed for glitch-free operation
High-speed performance with max propagation delay of 10ns at 5V, 50pF
Product Advantages
High-current output capability (1mA high, 20mA low)
Supports a wide operating temperature range of -55°C to 125°C
Robust package suitable for through-hole mounting
Key Technical Parameters
Type: Identity Comparator
Number of Bits: 8
Output: Active Low
Output Function: A=B
Voltage - Supply: 4.5V to 5.5V
Current - Output High, Low: 1mA, 20mA
Max Propagation Delay @ V, Max CL: 10ns @ 5V, 50pF
Current - Quiescent (Iq): 32mA
Quality and Safety Features
Extended operating temperature range for reliability in harsh environments
Quality assured by Texas Instruments standards
Compatibility
20-CDIP package compatible with standard through-hole PCB design
Application Areas
High-speed digital systems
Microprocessor or microcontroller-based systems
Telecommunication systems
Data comparison circuits
Product Lifecycle
Active product status, not currently nearing discontinuation
Availability of replacements or upgrades should be checked through Texas Instruments
Several Key Reasons to Choose This Product
Fast and precise comparison for digital applications
High-temperature operation capability ensures reliability in extreme conditions
Reduced power consumption with low quiescent current
From a reputable manufacturer known for quality and performance
Versatile supply voltage range for integration into various system designs
Easy to integrate into systems with through-hole mounting design
SN54F273JNSC