S25FL032A is a 32-megabit CMOS 3.0 Volt Flash Memory with 50-MHz SPI (Serial Peripheral Interface) Bus produced by Spansion Inc.
The S25FL032A is a 32‑Megabit CMOS flash memory device from Spansion, operating from 2.7 V to 3.6 V and supporting a 50 MHz Serial Peripheral Interface (SPI) bus. It contains 64 sectors of 512 Kb each and allows page programming of up to 256 bytes.
This datasheet provides detailed specifications, pin‑out diagrams, command definitions, timing diagrams, electrical characteristics, and mechanical dimensions for the S25FL032A, along with ordering information and revision history.
| Memory density | 32 Megabit |
|---|---|
| Operating voltage range | 2.7 V to 3.6 V |
| Number of sectors | 64 |
| Sector size | 512 Kb |
| Page program size | up to 256 bytes |
| Typical page program time | 1.4 ms |
| Typical sector erase time | 0.5 s |
| Cycling endurance | 100,000 cycles per sector (typical) |
| Data retention | 20 years (typical) |
| Maximum SPI clock rate | 50 MHz |
| Standby current | 50 µA max |
| Deep Power‑Down current | 2 µA typical |
| Package type | 16‑pin SO (300 mil body width) |
The device operates from 2.7 V to 3.6 V for both read and program operations.
It contains 64 sectors, each sized at 512 Kb.
The maximum SPI clock rate is 50 MHz.
A typical sector erase takes about 0.5 seconds.