SMD IC 95128WP 128 Kbit SPI bus EEPROM with high-speed clock for Automative Application

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95128WP BMW FEM/BDC Car Instrument Storage Chip SOP8 Feet Spot Quality Assurance 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. The SPI bus signals are C, D and Q, as shown in Figure 1 and Table 1. The device is selected when Chip select (S) is driven low. Communications with the device can be interrupted when the HOLD is driven low. All 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 ® ) Circuit Diagram: Datasheet