AT28BV256-20JA

Memory IC Overview

The AT28BV256-20JA is a 256Kbit (32,768 x 8) industrial grade battery-voltage paged parallel EEPROM manufactured by Microchip Technology. It operates with a access time of 200 ns and utilizes a 32-pin PLCC package measuring 13.97x11.43 mm. The device supports low-power consumption designs suitable for battery-operated applications.

Memory IC Feature Summary

• Industrial grade temperature range operation
• Battery-voltage paged architecture for efficient data management
• Parallel interface compatibility for legacy system integration

Memory IC Applications

• Embedded systems requiring non-volatile storage
• Industrial equipment control units
• Legacy application maintenance and replacement

Memory IC Procurement Notes

Verify the specific suffix 'JA' corresponds to the 32-PLCC package and 200 ns speed grade in official Microchip documentation. Confirm RoHS compliance status and lead-free specifications prior to ordering, as availability may vary due to obsolete status.

Memory IC Selection Notes

Select this component when a parallel EEPROM interface is required for industrial environments. Ensure the design accommodates the 32-PLCC footprint and voltage levels specified in the datasheet. Consider page write capabilities for optimized programming cycles.

Memory IC Part Context

This part belongs to the AT28BV256 series of 256-Kbit Parallel EEPROMs. It is designed for high-reliability applications where data retention and endurance are critical. The series offers various speed grades and package options to suit different form factors.

Memory IC Replacement Considerations

Check for direct pin-compatible substitutes within the AT28BV256 family, such as different speed grades or package variants like the AT28BV256-20SI. Verify electrical characteristics match before substitution.