Key facts
- Brand
- STMicroelectronics
- Model
- M95320-W
- Industry
- Industrial
- Documents
- 4
- Languages
- EN
- Last added
- 2012-08-09
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ST M95320-W M95320-R M95320-DR 32-Kbit serial SPI bus EEPROM with high-speed clock handbook
This document is a production datasheet for the M95320-W, M95320-R, and M95320-DR devices, which are Electrically Erasable Programmable Memories (EEPROMs) organized as 4096 x 8 bits. These devices are accessed through the Serial Peripheral Interface (SPI) bus and support a high-speed clock of up to 20 MHz.
Read onlineSTMicroelectronics M95320-W specifications
| Memory array size | 32 Kb (4 Kbytes) |
|---|---|
| Page size | 32 bytes |
| Write time (Byte/Page) | within 5 ms |
| High-speed clock | 20 MHz |
| Operating temperature range | -40°C up to +85°C |
| Write cycles | More than 4 million |
| Data retention | More than 200-year |
| Supply voltage (M95320-W) | 2.5 V to 5.5 V |
| Supply voltage (M95320-R/DR) | 1.8 V to 5.5 V |
Source: ST M95320-W M95320-R M95320-DR 32-Kbit serial SPI bus EEPROM with high-speed clock handbook
All STMicroelectronics M95320-W documents by type
Ratings, dimensions and ordering codes, for selection and design work.
- ST M95320-W M95320-R M95320-DR 32-Kbit serial SPI bus EEPROM with high-speed clock handbook 48 p
- ST M95320 M95320-W M95320-R M95320-S M95640 M95640-W M95640-R M95640-S Data Sheet 43 p
- ST M95320/M95320-W/M95320-R/M95320-S/M95640/M95640-W/M95640-R/M95640-S Manual 42 p
- STMICROELECTRONICS - M95320 M95320-W M95320-R M95320-S M95640 M95640-W M95640-R M95640-S handbook 42 p
Questions answered in these manuals
What is the memory organization of the M95320?
The memory is organized as 4096 x 8 bits.
From: ST M95320-W M95320-R M95320-DR 32-Kbit serial SPI bus EEPROM with high-speed clock handbook
Does the M95320-DR include an identification page?
Yes, the M95320-DR offers an additional page named the Identification Page (32 bytes).
From: ST M95320-W M95320-R M95320-DR 32-Kbit serial SPI bus EEPROM with high-speed clock handbook
What are the available clock rates for these EEPROMs?
The devices support clock rates of 20MHz, 10MHz, 5MHz, or 2MHz.
From: ST M95320 M95320-W M95320-R M95320-S M95640 M95640-W M95640-R M95640-S Data Sheet
What is the write time for these devices?
The write time is either 5ms or 10ms depending on the specific configuration.
From: ST M95320 M95320-W M95320-R M95320-S M95640 M95640-W M95640-R M95640-S Data Sheet
What supply voltage ranges are supported for the M95320 and M95640 EEPROMs?
They operate from 4.5 V to 5.5 V for the standard versions, with lower‑voltage options for the ‑W, ‑R, and ‑S variants.
From: ST M95320/M95320-W/M95320-R/M95320-S/M95640/M95640-W/M95640-R/M95640-S Manual
Which clock rates can be used with these EEPROM devices?
The devices support clock rates of 2 MHz, 5 MHz, 10 MHz, or 20 MHz.
From: ST M95320/M95320-W/M95320-R/M95320-S/M95640/M95640-W/M95640-R/M95640-S Manual