8Kbit Microwire EEPROM in 8-SOIC
The 93LC76/SN is an 8Kbit serial EEPROM from Microchip Technology, organised as 1K x 8 or 512 x 16, accessed over a Microwire bus at up to 3 MHz. The 2.5V to 6.0V supply range lets it straddle 3.3V and 5V logic domains without a regulator — a single BOM line that covers both rails. Write cycle time is 5 ms per word or page, which sets the firmware timing budget for non-volatile store operations.
Supply range and clock speed
The 2.5V to 6.0V supply range is wider than the 2.5V-only rail on the 93LC46B/SN sibling, which means the 93LC76/SN can be used in mixed-voltage designs without a separate EEPROM variant per rail. At 3 MHz the Microwire clock is 1 MHz faster than the 2 MHz limit of the 93LC46B/SN — a meaningful throughput gain when the host controller supports the higher rate.