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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 (USD) 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: $0.54 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 $0.54 $0.513 $0.50 $0.49 View Reel $0.427 $0.479 $0.465 $0.454 $0.444 $0.427 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: $0.63 263,377In 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 $0.63 $0.597 $0.582 $0.569 View Reel $0.497 $0.557 $0.54 $0.528 $0.516 $0.497 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: $0.23 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 $0.23 $0.219 $0.214 $0.211 View Reel $0.185 $0.206 $0.20 $0.197 $0.191 $0.185 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: $0.511 14,425Expected 2026/11/24	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 2026/11/24	Cut Tape $0.511 $0.483 $0.47 $0.461 View Reel $0.402 $0.451 $0.438 $0.428 $0.418 $0.402 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: $0.42 5,000Expected 2027/01/22 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 2027/01/22	Cut Tape $0.42 $0.392 $0.383 $0.376 View Reel $0.348 $0.368 $0.356 $0.348 $0.348	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