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M34E04B - STMicroelectronics

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M34E04B 4-Kbit Serial Presence Detect (SPD) EEPROM compatible

. . . . 6 2 Signal description . . . . . . . 8 2.1 Serial clock (SCL) . . . . . . . . 8 2.2 Serial data (SDA) . . . . . . ..

Features


• 512-byte Serial Presence Detect EEPROM compatible with JEDEC EE1004 specification
• Compatible with SMBus serial interface:
  – up to 1 MHz transfer rate
• EEPROM memory array:
  – 4 Kbits organized as two pages of 256 bytes each
  – Each page is composed of two 128-byte blocks
• No hardware write protection
• Software data protection for each 128-byte block
• Write:
  – Byte Write within 5 ms
  – 16 bytes Page Write within 5 ms
• Noise filtering:
  – Schmitt trigger on bus inputs
  – Noise filter on bus inputs
• Single supply voltage:
  – 1.7 V to 3.6 V
• Operating temperature range:
  – from 0 °C up to +95 .

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