AT28C64B-15SU

The AT28C64B-15SU is a non-volatile EEPROM (Electrically Erasable Programmable Read-Only Memory) from Microchip Technology. It features a storage capacity of 64 kilobits, organized as 8,192 words of 8 bits each. The "-15SU" denotes its access time, packaging, and temperature range: 150 ns access time, SOIC (Small Outline Integrated Circuit) package, and industrial temperature range.
This EEPROM allows data to be electrically erased and reprogrammed, which makes it suitable for applications requiring frequent updates, such as BIOS storage, data logging, and firmware updates. It supports byte and page write capabilities, with page write allowing up to 64 bytes to be written simultaneously, enhancing efficiency.
Additional features include a write protection mechanism to prevent accidental data corruption and a software data protection mode. The AT28C64B operates on a single 5V power supply, facilitating integration into various systems. Its endurance is rated for a minimum of 100,000 write/erase cycles per byte and data retention of over 10 years, making it reliable for long-term applications.

The AT28C64B-15SU is a 64Kb (8K x 8) parallel EEPROM. Equivalent products include:
1. Microchip Technology's 28C64B/SOIC, which offers similar functionality and specifications.
2. STMicroelectronics M28C64, another 64Kb EEPROM with comparable attributes.
3. Catalyst (now ON Semiconductor) CAT28C64, which serves as an alternative with equivalent capacity and features.
Ensure to verify the pin configuration, speed, and voltage compatibility when selecting a replacement.

The AT28C64B-15SU is a 64K (8K x 8) Parallel EEPROM with several key features:
1. Fast Access Time: It offers a fast read access time of 150 ns.
2. Endurance: The device supports up to 100,000 write cycles and data retention of 10 years.
3. Low Power Consumption: It operates with low power, featuring both standby and active modes.
4. Auto Page Write: This feature allows writing of up to 64 bytes of data in a single operation, optimizing write times.
5. Byte Write Capability: Users can write data byte by byte, providing flexibility in data management.
6. Self-Timed Write Cycle: The EEPROM has an internal timer for write operations, ensuring efficient write cycles.
7. Data Polling and Toggle Bit: These features enable monitoring of the write cycle status, enhancing user control.
8. Hardware Data Protection: It includes features to protect against inadvertent writes.
9. Wide Voltage Range: The device operates on a voltage range of 4.5V to 5.5V.
These features make it suitable for applications requiring reliable, non-volatile memory with moderate speed and power efficiency.

The AT28C64B-15SU is manufactured by Microchip Technology Inc. This company is a leading provider of microcontroller, analog, FPGA, connectivity, and power management integrated circuits. Microchip Technology is known for its comprehensive range of semiconductor products that are used in a variety of applications including automotive, industrial, consumer, aerospace, and defense. The company focuses on delivering innovative solutions and support to help its customers develop efficient and reliable electronic systems.

The AT28C64B-15SU is a 64Kb EEPROM used in various applications due to its non-volatile memory features. Common application areas include:
1. Embedded Systems: Storing firmware or configuration data.
2. Consumer Electronics: Memory for settings and user data.
3. Industrial Control: Storing calibration data or system parameters.
4. Automotive: Keeping diagnostic or configuration information.
5. Medical Devices: Retaining patient data or device settings.
6. Networking Equipment: Configuration settings and logs.
7. Instrumentation: Data logging and parameter storage.
Its ability to retain data without power makes it ideal for any application requiring reliable data storage and retrieval.

The AT28C64B-15SU is a 64K (8K x 8) Parallel EEPROM from Microchip Technology. The "15SU" indicates a 150ns access time in an 8-lead SOP (Small Outline Package) form factor.