CAT24C32 2 32-Kb I C CMOS Serial EEPROM Description The CAT24C32 is a 32Kb CMOS Serial EEPROM devices, internally organized as 4096 words of 8 bits each. CAT24C32 DEVICE MARKINGS (PDIP8) (SOIC8) 24C32F 24C32F AXXX AYMXXX YYWWG 24C32F = Specific Device Code 24C32F = Specific Device Code A = Assembly Location A = Assembly Location Y = Production Year (Last Digit) XXX = Last Three Digits of Assembly Lot Number M = Production Month (19, O, N, D) YY = Production Year (Last Two Digits) XXX = Last Three Digits of Assembly Lot Number WW = Production Week (Two Digits) G = PdFree designator (TSOP5) (WLCSP 5) C5AYW 2 YM 2 = Specific Device Code Y = Production Year (Last Digit) C5 = Specific Device Code M = Production Month (19, O, N, D) A = Assembly Location YW = Date Code (two digits) = PbFree Package (TSSOP8) (UDFN 8 and TDFN8) BBB C32F AXX AYMXXX YM C32F = Specific Device Code BBB = C5U = CAT24C32HU4 A = Assembly Location BBB = C5V = CAT24C32HU3 Y = Production Year (Last Digit) BBB = C5T = CAT24C32VP2 M = Production Month (19, O, N, D) A = Assembly Location XXX = Last Three Digits of Assembly Lot Number XX = Last Two Digits of Assembly Lot Number Y = Production Year (Last Digit) M = Production Month (19, O, N, D) V CC PIN FUNCTION Pin Name Function SCL A0, A1, A2 Device Address SDA Serial Data CAT24C32 SDA A , A , A 2 1 0 SCL Serial Clock WP WP Write Protect V Power Supply CC V Ground SS V SS Figure 1. Functional Symbol