ITEM NAME:AT24C256 I2C Interface 4-Pin EEPROM Memory Module Jumper Cable D4Q4 AT24C256 I2C Interface 4-Pin EEPROM Memory Module Jumper Cable D4Q4 Onboard 4-Pin chip socket for mounting on AT24C256 chip. Pin header power supply, on-board power indicator. Onboard the I2C communications required pull-up resistor. All pin leads and labeling, can directly address input and write-protect pin jumper settings. Product Name : EEPROM Memory Module Model : AT24C256 I2C Total Size : 25 x 11.5 x 8mm/1" x 0.45" x 0.31"(L*W*T) Terminal Number : 4-Pin Material : PCB, Plastic, Electronic Compenent Color : Red Weight : 6g Package Content : 1 x EEPROM Memory Module w Jumper Cable Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm..Onboard 4-Pin chip socket for mounting on AT24C256 chip. Model : AT24C256 I2C. Onboard the I2C communications required pull-up resistor.