Part # M24512-R M24512-W M24256-BR M24256-BW M24512-HR M24256-BHR datasheet

Part Manufacturer: ST Microelectronics

ST Microelectronics

Part Description: 512 Kbit and 256 Kbit serial I²C bus EEPROM with three Chip Enable lines


Part Details:

M24512-W M24512-R M24512-HR M24256-BW M24256-BR M24256-BHR 512 Kbit and 256 Kbit serial I²C bus EEPROM with three Chip Enable lines Features Two-wire I2C serial interface supports the 1 MHz protocol Supply voltage ranges: ­ 1.8 V to 5.5 V (M24xxx-R) ­ 2.5 V to 5.5 V (M24xxx-W) SO8 (MW) Write Control input 208 mils width Byte and Page Write Random and sequential read modes Self-timed programming cycle Automatic address incrementing Enhanced ESD/latch-up protection SO8 (MN) More than 1 000 000 Write cycles 150 mils width More than 40-year data retention Packages ­ ECOPACK® (RoHS compliant) TSSOP8 (DW) April 2008 Rev 11 1/35 www.st.com 1 Contents M24512-x, M24256-Bx Contents 1 Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 2 Signal description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 2.1 Serial Clock (SCL) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 2.2 Serial Data (SDA) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 2.3 Chip Enable (E0, E1, E2) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 2.4 Write Control (WC) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 2.5 VSS ground . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 2.6 Supply voltage (VCC) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 92.6.1 Operating supply voltage VCC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 2.6.2 Power-up conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 2.6.3 Device reset . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9


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M24512-R M24512-W M24256-BR M24256-BW M24512-HR M24256-BHR.pdf Datasheet