M95640

M95640-W M95640-R M95640-DF 64-Kbit serial SPI bus EEPROM with high-speed clock SO8 (MN) 150 mil width TSSOP8 (DW) 169 mil width UFDFPN8 (MC) 2 x 3 mm WLCSP (CT) Datasheet - production data Features Compatible with the Serial Peripheral Interface (SPI) bus Memory array – 64 Kb (8 Kbytes) of EEPROM – Page size: 32 bytes Write – Byte Write within 5 ms – Page Write within 5 ms Additional Write lockable page (Identification page) Write Protect: quarter, half or whole memory array High-speed clock: 20 MHz Single supply voltage: – 2.5 V to 5.5 V for M95640-W – 1.8 V to 5.5 V for M95640-R – 1.7 V to 5.5 V for M95640-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®) February 2016 This is information on a product in full production. DocID16877 Rev 19 1/53 www.st.com Contents Contents M95640-W M95640-R M95640-DF 1 Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 2 Memory organization . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 3 Signal description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 3.1 Serial Data Output (Q) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 3.2 Serial Data Input (D...