Microchip Technology AT24CSWx Serial EEPROMs

Microchip Technology AT24CSWx Serial EEPROMs are designed to be I²C compatible (two-wire) with a security register and software write protection. These EEPROMs feature bidirectional data transfer protocol and filtered inputs for noise suppression. The AT24CSWx EEPROMs operate at a 1.7V to 3.6V voltage range, 1mA ultra-low active current, 0.8µA standby current, and -40°C to 85°C temperature range. The AT24CSW01X / AT24CSW02X EEPROMs provide 8-Byte page write mode and AT24CSW04X / AT24CSW08X EEPROMs offer 16-Byte page write mode with partial page writing. These EEPROMs are available in 5-lead SOT23 and 4-ball ultra-thin WLCSP packages.

Features

• Random and sequential read modes
• Within 5ms self-timed write cycle
• >4000V ESD protection
• Software write protection of the EEPROM array:
  • Five configuration options
  • Protection settings can be made permanent
• Bidirectional data transfer protocol
• Schmitt triggers and filtered inputs for noise suppression
• I²C-compatible (two-wire) serial interface:
  • 100kHz standard mode, 1.7V to 3.6V
  • 400kHz fast mode, 1.7V to 3.6V
  • 1MHz fast mode plus (FM+), 1.7V to 3.6V
• AT24CSW01X / AT24CSW02X:
  • 8-Byte page write mode
• AT24CSW04X / AT24CSW08X:
  • 16-Byte page write mode

Specifications

• 1.7V to 3.6V voltage range
• 1mA ultra-low active current
• 0.8µA standby current
• -40°C to 85°C temperature range

more information: www.microchip.com

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