The M45PE80 is a 8Mbit low voltage, page-erasable serial flash memory with byte alterability and a 50MHz SPI bus interface from Numonyx.
The M45PE80 is an 8 Mbit (1 Mbit × 8 bit) serial paged flash memory accessed via a high‑speed SPI‑compatible bus. It supports page‑wise write and program operations and can be erased by page or sector. The device is offered in ECOPACK® RoHS‑compliant packages.
Key features include a 50 MHz maximum SPI clock, 2.7 V‑3.6 V supply range, 256‑byte pages, 16 sectors of 256 pages each, over 100 000 write cycles, and more than 20 years data retention. Detailed signal descriptions, instruction set timing, and package mechanical data are provided.
| Memory size | 8 Mbit (1 Mbit x 8 bit) |
|---|---|
| Supply voltage | 2.7 V to 3.6 V |
| Maximum SPI clock | 50 MHz |
| Page size | 256 bytes |
| Number of sectors | 16 |
| Pages per sector | 256 |
| Write endurance | More than 100 000 write cycles |
| Data retention | More than 20 years |
| Package type | ECOPACK® (RoHS compliant) |
The device operates from 2.7 V to 3.6 V single supply voltage.
Each page contains 256 bytes.
The SPI bus can run up to 50 MHz.
The memory is organized into 16 sectors.