The M95320-W, M95320-R, M95320-DR are 32 Kbit serial SPI bus EEPROMs, compatible with the Serial Peripheral Interface (SPI) bus, with a 32 Kb (4 Kbytes) of EEPROM memory array, a page size of 32 bytes, a high clock speed of 20 MHz, a single supply voltage of 2.5 V to 5.5 V, a operating temperature range of -40°C to +85°C, enhanced ESD protection, more than 4 million write cycles, and more than 200 years of data retention.
This document is a production datasheet for the M95320-W, M95320-R, and M95320-DR devices, which are Electrically Erasable Programmable Memories (EEPROMs) organized as 4096 x 8 bits. These devices are accessed through the Serial Peripheral Interface (SPI) bus and support a high-speed clock of up to 20 MHz.
| Memory array size | 32 Kb (4 Kbytes) |
|---|---|
| Page size | 32 bytes |
| Write time (Byte/Page) | within 5 ms |
| High-speed clock | 20 MHz |
| Operating temperature range | -40°C up to +85°C |
| Write cycles | More than 4 million |
| Data retention | More than 200-year |
| Supply voltage (M95320-W) | 2.5 V to 5.5 V |
| Supply voltage (M95320-R/DR) | 1.8 V to 5.5 V |
The memory is organized as 4096 x 8 bits.
Yes, the M95320-DR offers an additional page named the Identification Page (32 bytes).
The page write operation takes within 5 ms.