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CAT24C64 64Kb I2C CMOS Serial EEPROMs

onsemi CAT24C64 64Kb I²C CMOS Serial EEPROMs are internally organized as 8192 words of 8-bits each. These EEPROMs feature a 32-byte page write buffer and support the Standard (100kHz), Fast (400kHz), and Fast-Plus (1MHz) I²C protocols. External address pins allow up to eight CAT24C64 devices on the same bus. The onsemi CAT24C64 is available in SOIC, TSSOP, UDFN 8-pad, and ultra-thin WLCSP 4-bump packages.

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Select	Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (CHF) Filter the results in the table by unit price based on your quantity.	Qty.	RoHS	ECAD Model	Memory Size	Interface Type	Maximum Clock Frequency	Organisation	Package/Case	Access Time	Supply Voltage - Min	Supply Voltage - Max	Mounting Style	Data Retention	Minimum Operating Temperature	Maximum Operating Temperature	Series	Packaging
	EEPROM 64K-Bit I2C Serial EEPROM CAT24C64WI-GT3 onsemi 1: CHF 0.434 51’769In Stock	Mfr. Part No. CAT24C64WI-GT3 Mouser Part No 698-CAT24C64WI-GT3	onsemi	EEPROM 64K-Bit I2C Serial EEPROM Learn More about onsemi cat24c64 i2c cmos serial eeproms	Datasheet	51’769In Stock	Cut Tape CHF 0.434 CHF 0.413 CHF 0.402 CHF 0.394 View Reel CHF 0.344 CHF 0.386 CHF 0.374 CHF 0.365 CHF 0.358 CHF 0.344 MouseReel Available	Min.: 1 Mult.: 1 Max.: 3’000 : 3’000			64 kbit	2-Wire, I2C	1 MHz	8 k x 8	SOIC-8	400 ns	1.7 V	5.5 V	SMD/SMT	100 Year	- 40 C	+ 85 C	CAT24C64	Reel, Cut Tape, MouseReel
	EEPROM 64KB I2C SER EEPROM MUX CAT24C64HU4I-GT3 onsemi 1: CHF 0.507 263’377In Stock	Mfr. Part No. CAT24C64HU4I-GT3 Mouser Part No 863-CAT24C64HU4I-GT3	onsemi	EEPROM 64KB I2C SER EEPROM MUX Learn More about onsemi cat24c64 i2c cmos serial eeproms	Datasheet	263’377In Stock	Cut Tape CHF 0.507 CHF 0.48 CHF 0.468 CHF 0.458 View Reel CHF 0.40 CHF 0.448 CHF 0.434 CHF 0.425 CHF 0.416 CHF 0.40 MouseReel Available	Min.: 1 Mult.: 1 Max.: 3’000 : 3’000			64 kbit	2-Wire, I2C	1 MHz	8 k x 8	UDFN-8	400 ns	1.7 V	5.5 V	SMD/SMT	100 Year	- 40 C	+ 85 C	CAT24C64	Reel, Cut Tape, MouseReel
	EEPROM 64KB I2C SER EEPROM CAT24C64C4CTR onsemi 1: CHF 0.185 25’667In Stock	Mfr. Part No. CAT24C64C4CTR Mouser Part No 863-CAT24C64C4CTR	onsemi	EEPROM 64KB I2C SER EEPROM Learn More about onsemi cat24c64 i2c cmos serial eeproms	Datasheet	25’667In Stock	Cut Tape CHF 0.185 CHF 0.176 CHF 0.172 CHF 0.169 View Reel CHF 0.149 CHF 0.166 CHF 0.161 CHF 0.158 CHF 0.154 CHF 0.149 MouseReel Available	Min.: 1 Mult.: 1 Max.: 5’000 : 5’000			64 kbit	2-Wire, I2C	1 MHz	8 k x 8	WLCSP-4	400 ns	1.7 V	5.5 V	SMD/SMT	100 Year	- 40 C	+ 85 C	CAT24C64	Reel, Cut Tape, MouseReel
	EEPROM 64K-Bit I2C Serial EEPROM CAT24C64YI-GT3 onsemi 1: CHF 0.411 14’425Expected 12/1/2026	Mfr. Part No. CAT24C64YI-GT3 Mouser Part No 698-CAT24C64YI-GT3	onsemi	EEPROM 64K-Bit I2C Serial EEPROM Learn More about onsemi cat24c64 i2c cmos serial eeproms	Datasheet	14’425Expected 12/1/2026	Cut Tape CHF 0.411 CHF 0.388 CHF 0.378 CHF 0.371 View Reel CHF 0.324 CHF 0.363 CHF 0.353 CHF 0.344 CHF 0.336 CHF 0.324 MouseReel Available	Min.: 1 Mult.: 1 Max.: 3’000 : 3’000			64 kbit	2-Wire, I2C	1 MHz	8 k x 8	TSSOP-8	400 ns	1.7 V	5.5 V	SMD/SMT	100 Year	- 40 C	+ 85 C	CAT24C64	Reel, Cut Tape, MouseReel
	EEPROM 64-kb I2C Serial EEPROM Memory CAT24C64C4UTR onsemi 1: CHF 0.338 5’000Expected 1/29/2027 New Product	Mfr. Part No. CAT24C64C4UTR Mouser Part No 863-CAT24C64C4UTR New Product	onsemi	EEPROM 64-kb I2C Serial EEPROM Memory Learn More about onsemi cat24c64 i2c cmos serial eeproms	Datasheet	5’000Expected 1/29/2027	Cut Tape CHF 0.338 CHF 0.315 CHF 0.308 CHF 0.302 View Reel CHF 0.28 CHF 0.296 CHF 0.286 CHF 0.28 CHF 0.28	Min.: 1 Mult.: 1 Max.: 500 : 5’000			64 kbit	I2C	100 kHz	8 k x 8	WLCSP-4		1.7 V	5.5 V	SMD/SMT	100 Year	- 40 C	+ 85 C	CAT24C64	Reel, Cut Tape