The M34F04 4Kbit Serial I²C Bus EEPROM With Hardware Write Control on Top Half of Memory is a product of Microchip Technology Inc. It has a two-wire I2C serial interface, supports 400kHz protocol, and works with a voltage of 2.5 to 5.5V.
The M34F04 is an electrically erasable programmable memory (EEPROM) organized as 512 x 8. It is compatible with the I2C memory protocol, utilizing a two-wire serial interface with a bi-directional data bus and serial clock. The device includes a built-in 4-bit Device Type Identifier code (1010) and operates as a slave in the I2C protocol, with all memory operations synchronized by the serial clock.
| Memory Organization | 512 x 8 |
|---|---|
| Supply Voltage Range | 2.5 to 5.5V |
| Maximum Clock Frequency | 400 kHz |
| Data Retention | More than 40 Year |
| Endurance | More than 1 Million Erase/Write Cycles |
| RoHS Compliance | Yes |
The device carries a built-in 4-bit Device Type Identifier code of 1010.
When WC is driven High, write operations are disabled to the upper half of the memory array (addresses 100h to 1FFh).
Yes, ST offers these devices in ECOPACK packages which are Lead-free and RoHS compliant.