产品概览
W25X40CLSNIG from Winbond is a 4Mbit (512Kx8) SPI NOR Flash with Dual Output, 2.7-3.6V, 104MHz clock, SOIC-8.
工作原理
SPI NOR Flash supporting Standard SPI and Dual Output SPI at up to 104MHz. 4KB sectors, 64KB blocks. Program 1-256 bytes per page. Hold and Write Protect pins. 100K erase cycles. 20-year data retention.
Pin Description
| 针脚 | 名称 | 功能 |
|---|---|---|
| 1 | CS | Chip select |
| 2 | DO | Data out (MISO) |
| 3 | WP | Write protect |
| 4 | 接地 | 地面 |
| 5 | DI | Data in (MOSI) |
| 6 | CLK | SPI clock |
| 7 | HOLD | Hold/suspend |
| 8 | VCC | 2.7-3.6V supply |
应用
- Code storage
- Data logging
- Firmware updates
- Embedded systems
Alternative Models
| Mfr | Part | 说明 |
|---|---|---|
| Winbond | W25X16CLSNIG | 16Mbit version |
| 旺宏 | MX25L4006EM1I-12G | Equivalent 4Mbit |