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M34C02-L Dataheets PDF



Part Number M34C02-L
Manufacturers ST Microelectronics
Logo ST Microelectronics
Description (M34C02-x) EEPROM
Datasheet M34C02-L DatasheetM34C02-L Datasheet (PDF)

www.DataSheet4U.com M34C02-W M34C02-L M34C02-R 2 Kbit Serial I²C Bus EEPROM for DIMM serial presence detect Feature summary ■ ■ ■ ■ Software Data Protection for lower 128 Bytes Two Wire I2C Serial Interface 400kHz Transfer Rates Single Supply Voltage: – 2.5 to 5.5V for M34C02-W – 2.2 to 5.5V for M34C02-L – 1.8 to 5.5V for M34C02-R Byte and Page Write (up to 16 bytes) Random and Sequential Read modes Self-Timed Programming Cycle Automatic Address Incrementing Enhanced ESD/Latch-Up Protection Mo.

  M34C02-L   M34C02-L



Document
www.DataSheet4U.com M34C02-W M34C02-L M34C02-R 2 Kbit Serial I²C Bus EEPROM for DIMM serial presence detect Feature summary ■ ■ ■ ■ Software Data Protection for lower 128 Bytes Two Wire I2C Serial Interface 400kHz Transfer Rates Single Supply Voltage: – 2.5 to 5.5V for M34C02-W – 2.2 to 5.5V for M34C02-L – 1.8 to 5.5V for M34C02-R Byte and Page Write (up to 16 bytes) Random and Sequential Read modes Self-Timed Programming Cycle Automatic Address Incrementing Enhanced ESD/Latch-Up Protection More than 1 million Write cycles More than 40 Year Data Retention Packages – ECOPACK® (RoHS compliant) UFDFPN8 (MB) 2x3mm² (MLP) ■ ■ ■ ■ ■ ■ ■ ■ TSSOP8 (DW) 169 mil width April 2006 Rev 9 1/31 www.st.com 1 Contents M34C02-W, M34C02-L, M34C02-R Contents 1 2 Summary description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 Signal description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 2.1 2.2 2.3 2.4 2.5 Serial Clock (SCL) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 Serial Data (SDA) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 Chip Enable (E0, E1, E2) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 Write Control (WC) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 Supply voltage (VCC) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 2.5.1 2.5.2 2.5.3 Operating supply voltage VCC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 Internal device reset . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 Power-down . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 3 Device operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 3.1 3.2 3.3 3.4 3.5 3.6 3.7 Start Condition . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 Stop Condition . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 Acknowledge Bit (ACK) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 Data Input . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 Memory Addressing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 Setting the Software Write-Protection . . . . . . . . . . . . . . . . . . . . . . . . . . . 13 Write Operations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 3.7.1 3.7.2 3.7.3 Byte Write . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 Page Write . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 Minimizing system delays by .


LM2954 M34C02-L RGE800


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