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M95128-W

STMicroelectronics
Part Number M95128-W
Manufacturer STMicroelectronics
Description 128-Kbit serial SPI bus EEPROM
Published Apr 23, 2019
Detailed Description M95128-W M95128-R M95128-DF Datasheet 128-Kbit serial SPI bus EEPROM with high-speed clock SO8N 150 mil width TSSOP8 16...
Datasheet PDF File M95128-W PDF File

M95128-W
M95128-W

Overview
M95128-W M95128-R M95128-DF Datasheet 128-Kbit serial SPI bus EEPROM with high-speed clock SO8N 150 mil width TSSOP8 169 mil width UFDFPN8 (MC) DFN8 - 2x3 mm WLSCP (CS) Product status link M95128-DF M95128-R M95128-W Features • Compatible with the serial peripheral interface (SPI) bus • Memory array – 128 Kbit (16 Kbytes) of EEPROM – Page size: 64 bytes – Additional write lockable page (Identification page) • Write time – Byte Write within 5 ms – Page Write within 5 ms • Write protect – quarter array – half array – whole memory array • High-speed clock: 20 MHz • Single supply voltage: – 2.
5 V to 5.
5 V for M95128-W – 1.
8 V to 5.
5 V for M95128-R – 1.
7 V to 5.
5 V for M95128-DF • Operating temperature range: from -40 °C up to +85 °C • Enhanced ESD protection • More than 4 million Write cycles • More than 200-year data retention • Packages – SO8 (ECOPACK2®) – TSSOP8 (ECOPACK2®) – UFDFPN8 (ECOPACK2®) – WLCSP (ECOPACK2®) DS1356 - Rev 20 - October 2020 For further information contact your local STMicroelectronics sales office.
www.
st.
com M95128-W M95128-R M95128-DF Description 1 Description The M95128 devices are electrically erasable programmable memories (EEPROMs) organized as 16384 x 8 bits, accessed through the SPI bus.
The M95128-W can operate with a supply voltage from 2.
5 V to 5.
5 V, the M95128-R can operate with a supply voltage from 1.
8 V to 5.
5 V and the M95128-DF can operate with a supply voltage from 1.
7 V to 5.
5 V, over an ambient temperature range of -40 °C / +85 °C.
The M95128-DF offers an additional page, named the Identification page (64 bytes).
The Identification page can be used to store sensitive application parameters that can be (later) permanently locked in read-only mode.
Figure 1.
Logic diagram VCC D C S M95xxx Q W HOLD VSS The SPI bus signals are C, D and Q, as shown in Figure 1.
Logic diagram and Table 1.
Signal names.
The device is selected when Chip select (S) is driven low.
Communications with the device can be interrupted when...


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