• Supply Voltage: 1.7V to 3.6V
• JEDEC EE1004-v Serial Presence Detect (SPD) Compliant
• 2-wire Serial Interface I 2 C/SMBus Compatible
-   1MHz (Maximum) Supported in Full Supply Voltage Range
-   Bus Timeout Supported
• Software Write Protection on All Four 128-byte Blocks
• Byte and Page (up to 16 Bytes) Write Mode
-   Partial Page Writes Allowed
• Self-timed Write Cycle: 2ms (typical)
• Schmitt Trigger, Filtered Inputs for Noise Suppression
• High Reliability
-   Endurance: 5,000,000 Write Cycles
-   Data Retention: 100 Years
• Low Operating Current
-   Write Current: 0.2mA (typical)
-   Read Current: 0.2mA (typical)
-   Standby Current: 0.1μA (typical)
• Operating Temperature Range: -40°C to +105°C
• Green Packaging Options (Pb/Halide-free/RoHS Compliant)
-   8-lead TSSOP, 8-pad UDFN and 8-pad WDFN

WB34C04 DataSheet

Description：4-Kbit Serial Presence Detect (SPD) EEPROM Compatible with JEDEC EE1004-v for DIMM

English｜V01｜ PDF ｜1.94MB ｜2022.10.13

WB34C02 DataSheet

Description：2-Kbit Serial Presence Detect (SPD) EEPROM Compatible with JEDEC EE1004-v for DIMM

English｜V01｜ PDF ｜1.94MB ｜2022.10.13