Microchip Technology, Inc. Memory AT28C64E-20SC

The AT28C64E-20SC is a low-power, high-performance 64Kbit EEPROM memory device featuring a fast read access time of 120 ns and a byte write time of 200 µs. It operates on a supply voltage of 5V ± 10% and is compatible with both CMOS and TTL logic levels. The device includes internal address and data latches, an automatic control timer for write cycles, and supports direct microprocessor control with a READY/BUSY output for write cycle status indication. This memory chip offers high reliability with an endurance of up to 100,000 write cycles and a data retention period of 10 years. It is available in multiple package types, including PDIP, SOIC, and TSOP, making it versatile for various applications. The AT28C64E-20SC is suitable for projects requiring nonvolatile memory with efficient performance and low power consumption.