M93Cx6-A125 Automotive 16-Kbit, 8-Kbit, 4-Kbit, 2-Kbit and 1-Kbit (8-bit or 16-bit wide) MICROWIRE serial EEPROM Datasheet - production data Features Industry standard MICROWIRE bus Memory array: 1 Kb, 2 Kb, 4 Kb, 8 Kb or 16 Kb Dual organization: by word (x16) or byte (x8) Write SO8 (MN) Byte within 4 ms 150 mil width Word within 4 ms READY/BUSY signal during programming 2 MHz clock rate Sequential read operation Single supply voltage: 1.8 V to 5.5 V TSSOP8 (DW) Operating temperature range: -40 C up to 169 mil width 125 C Enhanced ESD protection Write cycle endurance 4 million Write cycles at 25 C 1.2 million Write cycles at 85 C WFDFPN8 (MF) 600 k Write cycles at 125 C 2 x 3 mm Data retention 50 years at 125 C more than 100 years at 25 C Packages RoHS-compliant and Halogen-free (ECOPACK2 ) Table 1. Device summary Reference Part number M93C46-A125 M93C56-A125 M93Cx6-A125 M93C66-A125 M93C76-A125 M93C86-A125 January 2015 DocID024752 Rev 5 1/31 This is information on a product in full production. www.st.comContents M93Cx6-A125 Contents 1 Description . 6 2 Connecting to the serial bus 8 3 Operating features 9 3.1 Supply voltage (V ) . 9 CC 3.1.1 Operating supply voltage (V ) 9 CC 3.1.2 Power-up conditions 9 3.1.3 Power-up and device reset . 9 3.1.4 Power-down . 9 4 Memory organization . 10 5 Instructions . 11 5.1 Read Data from Memory . 13 5.2 Erase and Write data 13 5.2.1 Write Enable and Write Disable . 13 5.2.2 Write . 13 5.2.3 Write All . 15 5.2.4 ECC (Error Correction Code) and Write cycling 15 5.2.5 Erase Byte or Word 16 5.2.6 Erase All 16 6READY/BUSY status 17 7 Initial delivery state . 17 8 Common I/O operation 17 9 Clock pulse counter 18 10 Maximum ratings . 19 11 DC and AC parameters 20 2/31 DocID024752 Rev 5