The M95640, M95640-W and M95640-R are electrically erasable programmable memory (EEPROM) devices. They are accessed by a high-speed SPI-compatible bus. The devices are 64 Kbit devices organized as 8192 × 8 bits.
The M95640-D also offers an additional page, named the Identification Page (32 bytes) which can be written and (later) permanently locked in Read-only mode. This Identification Page offers flexibility in the application board production line, as it can be used to store unique identification parameters and/or parameters specific to the production line.
The device is accessed by a simple serial interface that is SPI-compatible. The bus signals are C, D and Q, as shown in Table 1 and Figure 1.
The device is selected when Chip Select (S) is taken low. Communications with the device can be interrupted using Hold (HOLD).
| 订购型号 | 产品状态 | 美金价格 | 数量 | 封装 | 包装形式 | 温度范围 | 材料声明 |
| M95640-DRMN6TP | Active | 0.452 | 1000 | SO8 | Tape And Reel | -40 °C-85 °C | M95640-DRMN6TP |
| M95640-DRDW6TP | Active | 0.452 | 1000 | TSSOP8 | Tape And Reel | -40 °C-85 °C | M95640-DRDW6TP |
| 描述 | 版本 | 大小 |
| M95640-DR : DS6633: 64 Kbit serial SPI bus EEPROMs with high-speed clock | 15 | 348KB |
| 描述 | 版本 | 大小 |
| AN2014: How a designer can make the most of STMicroelectronics Serial EEPROMs | 8 | 645KB |
