Manufacturer Part Number
AT28HC256-90SU
Manufacturer
Microchip Technology
Introduction
The AT28HC256-90SU is an EEPROM chip from Microchip Technology, providing non-volatile memory storage.
Product Features and Performance
Non-Volatile EEPROM memory
High-density 256Kbit storage
Organized as 32K x 8
Parallel memory interface
Fast write cycle time of 10ms
Quick access time of 90 ns
Product Advantages
Maintains data integrity without power
Allows for easy and fast data retrieval
Robust write performance improves device reliability
Key Technical Parameters
Memory Type: EEPROM
Memory Size: 256Kbit
Write Cycle Time: 10ms
Access Time: 90 ns
Voltage Supply: 4.5V ~ 5.5V
Operating Temperature: -40°C ~ 85°C
Quality and Safety Features
Operates reliably across a wide range of temperatures
Built to endure harsh operating conditions
Compatibility
Surface Mount, 28-SOIC package for compatibility with standard PCB designs
Application Areas
Widely used in computing, embedded systems, and automotive applications
Product Lifecycle
Currently active product status
No immediate plans for discontinuation known
Sustained support and availability expected
Several Key Reasons to Choose This Product
High-speed operations with a 90 ns access time
Robust temperature range for diverse environmental conditions
High reliability backed by Microchip's industry reputation
Standard 28-SOIC package ensures ease of integration into existing designs
Suitable for applications requiring frequent data updates due to fast write cycles