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. www.onsemi.com It features a 32byte page write buffer and supports the Standard 2 (100 kHz), Fast (400 kHz) and FastPlus (1 MHz) I C protocol. External address pins make it possible to address up to eight CAT24C32 devices on the same bus. SOIC8 UDFN8 Features W SUFFIX HU4 SUFFIX CASE 751BD CASE 517AZ 2 Supports Standard, Fast and FastPlus I C Protocol 1.7 V to 5.5 V Supply Voltage Range 32Byte Page Write Buffer Hardware Write Protection for Entire Memory 2 PDIP8 TSSOP8 Schmitt Triggers and Noise Suppression Filters on I C Bus Inputs L SUFFIX Y SUFFIX (SCL and SDA) CASE 646AA CASE 948AL Low Power CMOS Technology 1,000,000 Program/Erase Cycles WLCSP5 WLCSP4 100 Year Data Retention C5A SUFFIX C4C SUFFIX Industrial and Extended Temperature Range CASE 567JQ CASE 567JY PDIP, SOIC, TSSOP, UDFN, WLCSP 4ball and 5ball Packages This Device is PbFree, Halogen Free/BFR Free, and RoHS PIN CONFIGURATIONS (Top Views) Compliant 132 1 2 A V V A CC SS V V CC SS B SDA SCL SDA B C WP SCL WLCSP4 (C4C) WLCSP5 (C5A) 1 A V 0 CC A WP 1 A SCL 2 V SDA SS PDIP (L), SOIC (W), TSSOP (Y), UDFN (HU4) For the location of Pin 1, please consult the corresponding package drawing. * For serial EEPROM in the US8 package, please consult the N24C32 datasheet. ORDERING INFORMATION See detailed ordering and shipping information in the package dimensions section on page 9 of this data sheet. Semiconductor Components Industries, LLC, 2015 1 Publication Order Number: March, 2018 Rev. 25 CAT24C32/DCAT24C32 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 (WLCSP5) (WLCSP4) 2 B YM YM 2 = Specific Device Code B = Specific Device Code Y = Production Year (Last Digit) Y = Production Year (Last Digit) M = Production Month (19, O, N, D) M = Production Month (19, O, N, D) (TSSOP8) (UDFN8) C5U C32F AXX AYMXXX YM C32F = Specific Device Code C5U = Specific Device Code A = Assembly Location A = Assembly Location Y = Production Year (Last Digit) XX = Last Two Digits of Assembly Lot Number M = Production Month (19, O, N, D) Y = Production Year (Last Digit) XXX = Last Three Digits of Assembly Lot Number 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 Write Protect WP V Power Supply CC V Ground SS V SS Figure 1. Functional Symbol www.onsemi.com 2