M93S46-W

M93S46-W M93S56-W M93S66­W 4 Kbit, 2 Kbit and 1 Kbit serial MICROWIRE bus EEPROM with write protection Datasheet - production data PDIP8 (BN) TSSOP8 (DW) 169 mil width SO8 (MN) 150 mil width MSv35377V1 Features Compatible with MICROWIRE bus serial interface Memory array − 1 Kbit, 2 Kbit or 4 Kbit of EEPROM − Organized by word (16b) − Page = 4 words Write − Byte write within 5 ms − Page write within 5 ms − Ready/busy signal during programming User defined write protected area High-speed clock: 2 MHz Single supply voltage: − 2.5 V to 5.5 V Operating temperature range: -40 °C up to +85 °C. Enhanced ESD protection More than 4 million write cycles More than 200-year data retention Packages PDIP8 ECOPACK®1 TSSOP8 ECOPACK®2 SO8 ECOPACK®2 January 2015 DocID5124 Rev 7 This is information on a product in full production 1/32 www.st.com Contents Contents M93S46-W M93S56-W M93S66­W 1 Description........................................................................................ 5 2 Signal description ............................................................................ 6 2.1 Serial data output (Q)........................................................................ 6 2.2 Serial data input (D) .......................................................................... 6 2.3 Serial clock (C).................................................................................. 6 2.4 Chip select (S)................................................