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- Brand
- STMicroelectronics
- Model
- 256KBIT
- Industry
- Industrial
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- 7
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- EN
- Last added
- 2012-08-09
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ST M95256-W M95256-R M95256-DR M95256-DF 256-Kbit serial SPI bus EEPROM with high-speed clock handbook
This is a datasheet for the M95256-W, M95256-R, M95256-DR and M95256-DF 256-Kbit serial SPI bus EEPROM with high-speed clock. It provides information on the features, specifications, and ordering information for these devices.
Read onlineSTMicroelectronics 256KBIT specifications
| Memory Organization (M95256) | 32768 x 8 bit |
|---|---|
| Memory Organization (M95128) | 16384 x 8 bit |
| Clock Rate | 10MHz |
| Write Time | 5ms |
| Supply Voltage (M95xxx) | 4.5 to 5.5V |
| Supply Voltage (M95xxx-W) | 2.5 to 5.5V |
| Supply Voltage (M95xxx-R) | 1.8 to 5.5V |
| Erase/Write Cycles | More than 100000 |
| Data Retention | More than 40-Year |
Source: ST M95256 M95128 256Kbit 128Kbit Serial SPI Bus EEPROM With High Speed Clock handbook
All STMicroelectronics 256KBIT documents by type
Ratings, dimensions and ordering codes, for selection and design work.
- ST M95256-W M95256-R M95256-DR M95256-DF 256-Kbit serial SPI bus EEPROM with high-speed clock handbook
- ST M24256-BW M24256-BR M24256-BF M24256-DR M24256-DF 256-Kbit serial I C bus EEPROM handbook
- ST M95256-125 Automotive 256-Kbit serial SPI bus EEPROM handbook
- ST M24256-B M24128-B 256Kbit 128Kbit Serial I C Bus EEPROM With Three Chip Enable Lines handbook
- ST M24256-B M24128-B 256Kbit 128Kbit Serial I C Bus EEPROM With Three Chip Enable Lines handbook(1)
- ST M95256 M95128 256Kbit 128Kbit Serial SPI Bus EEPROM With High Speed Clock handbook 40 p
- ST M24128-BW M24128-BR M24256-BW M24256-BR 256Kbit 128Kbit Serial I C Bus EEPROM With Three Chip Enable Lines handbook 25 p
Questions answered in these manuals
What SPI modes are supported by these EEPROMs?
These devices support SPI modes with CPOL=0, CPHA=0 and CPOL=1, CPHA=1.
From: ST M95256 M95128 256Kbit 128Kbit Serial SPI Bus EEPROM With High Speed Clock handbook
How is the device selected on the SPI bus?
The device is selected when the Chip Select (S) signal is taken Low.
From: ST M95256 M95128 256Kbit 128Kbit Serial SPI Bus EEPROM With High Speed Clock handbook
What supply voltage range is required for the M24128‑BW and M24256‑BW devices?
They operate from 2.5 V to 5.5 V.
How many erase/write cycles can the EEPROM endure?
The devices are rated for more than one million erase/write cycles.