This document provides information on a product that is still in production but not recommended for new designs. The product is a 256 Kbit serial I²C bus EEPROM with two chip enable lines, designated as M24256-A. It is compatible with I2C extended addressing, supports 400 kHz protocol, and has features such as single supply voltage, hardware write control, and more.
This document is a technical datasheet for the M24256-A, an electrically erasable programmable memory (EEPROM) device organized as 32Kx8 bits. The device operates on a single supply voltage of 4.5V to 5.5V and features two chip enable inputs allowing up to four memories to be connected to the same I²C bus.
| Memory Organization | 32Kx8 bits |
|---|---|
| Supply Voltage | 4.5V to 5.5V |
| I²C Protocol Speed | 400 kHz |
| Operating Temperature Range | -40 to 125 °C |
No, it is designated as 'Not for New Design' and users should use the M24256-B instead.
The device operates with a single supply voltage between 4.5V and 5.5V.
The device supports more than 100,000 erase/write cycles.
The memory provides more than 40 years of data retention.