EEPROM – Mouser Canada

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CAT25x SPI Serial EEPROMs

onsemi CAT25x SPI Serial EEPROMs feature a 64-byte or 128-byte page write buffer and support the Serial Peripheral Interface (SPI) protocol. These devices are enabled through a Chip Select (CS) input. In addition, the required bus signals are data input (SI), clock input (SCK), and data output (SO) lines. The onsemi CAT25x device's HOLD input may be used to pause any serial communication. These devices feature software and hardware write protection, including partial and full array protection. The on-chip ECC (Error Correction Code) makes the device suitable for high-reliability applications.

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (CAD) Filter the results in the table by unit price based on your quantity.	Qty.	Memory Size	Interface Type	Maximum Clock Frequency	Organization	Package / Case	Access Time	Supply Voltage - Min	Supply Voltage - Max	Mounting Style	Data Retention	Minimum Operating Temperature	Maximum Operating Temperature	Series	Packaging
EEPROM 128K SPI Serial CMOS EEPROM CAT25128YI-GT3 onsemi 1: $1.08 13,642In Stock	Mfr. Part # CAT25128YI-GT3 Mouser Part # 698-CAT25128YI-GT3	onsemi	EEPROM 128K SPI Serial CMOS EEPROM Learn More about onsemi cat25x spi serial eeproms	Datasheet	13,642In Stock	Cut Tape $1.08 $1.02 $0.992 $0.972 View Reel $0.847 $0.952 $0.923 $0.901 $0.881 $0.847 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	128 kbit	3-Wire, SPI	20 MHz	16 k x 8	TSSOP-8	75 ns	1.8 V	5.5 V	SMD/SMT	100 Year	- 40 C	+ 85 C	CAT25128	Reel, Cut Tape, MouseReel
EEPROM 512KB SPI SER CMOS EEPROM CAT25512HU5I-GT3 onsemi 1: $1.56 4,639In Stock	Mfr. Part # CAT25512HU5I-GT3 Mouser Part # 863-CAT25512HU5I-GT3	onsemi	EEPROM 512KB SPI SER CMOS EEPROM Learn More about onsemi cat25x spi serial eeproms	Datasheet	4,639In Stock	Cut Tape $1.56 $1.45 $1.42 $1.39 View Reel $1.22 $1.36 $1.32 $1.29 $1.26 $1.22 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	512 kbit	3-Wire, SPI	20 MHz	64 k x 8	UDFN-8	75 ns	1.8 V	5.5 V	SMD/SMT	100 Year	- 40 C	+ 85 C	CAT25512	Reel, Cut Tape, MouseReel
EEPROM 256K SPI Serial CMOS EEPROM CAT25256XI-T2 onsemi 1: $1.68 2,699In Stock	Mfr. Part # CAT25256XI-T2 Mouser Part # 698-CAT25256XI-T2	onsemi	EEPROM 256K SPI Serial CMOS EEPROM Learn More about onsemi cat25x spi serial eeproms	Datasheet	2,699In Stock	Cut Tape $1.68 $1.57 $1.53 $1.50 View Reel $1.33 $1.47 $1.43 $1.40 $1.36 $1.33 MouseReel Available	Min.: 1 Mult.: 1 Max.: 2,000 : 2,000	256 kbit	3-Wire, SPI	5 MHz	32 k x 8	SOIC-8	75 ns	1.8 V	5.5 V	SMD/SMT	100 Year	- 40 C	+ 85 C	CAT25256	Reel, Cut Tape, MouseReel
EEPROM 128K SPI Serial CAT25128XI-T2 onsemi 1: $1.56 1,761In Stock	Mfr. Part # CAT25128XI-T2 Mouser Part # 698-CAT25128XI-T2	onsemi	EEPROM 128K SPI Serial Learn More about onsemi cat25x spi serial eeproms	Datasheet	1,761In Stock	Cut Tape $1.56 $1.47 $1.43 $1.40 View Reel $1.23 $1.37 $1.33 $1.29 $1.26 $1.23 MouseReel Available	Min.: 1 Mult.: 1 Max.: 2,000 : 2,000	128 kbit	3-Wire, SPI	20 MHz	16 k x 8	SOIC-8	75 ns	1.8 V	5.5 V	SMD/SMT	100 Year	- 40 C	+ 85 C	CAT25128	Reel, Cut Tape, MouseReel
EEPROM 256KB SPI SER CMOS EEPROM CAT25256XE-T2 onsemi 1: $4.82 1,953In Stock	Mfr. Part # CAT25256XE-T2 Mouser Part # 863-CAT25256XE-T2	onsemi	EEPROM 256KB SPI SER CMOS EEPROM Learn More about onsemi cat25x spi serial eeproms	Datasheet	1,953In Stock	Cut Tape $4.82 $4.52 $4.38 $4.28 View Reel $3.76 $4.18 $4.05 $3.99 $3.89 $3.76 MouseReel Available	Min.: 1 Mult.: 1 : 2,000	256 kbit	SPI	20 MHz	32 k x 8	SOIC-8		1.8 V	5.5 V	SMD/SMT	100 Year	- 40 C	+ 125 C	CAT25256	Reel, Cut Tape, MouseReel
EEPROM 512KB SPI SER CMOS EEPROM CAT25512HU5E-GT3 onsemi 1: $1.77 2,747In Stock	Mfr. Part # CAT25512HU5E-GT3 Mouser Part # 863-CAT25512HU5E-GT3	onsemi	EEPROM 512KB SPI SER CMOS EEPROM Learn More about onsemi cat25x spi serial eeproms	Datasheet	2,747In Stock	Cut Tape $1.77 $1.66 $1.61 $1.58 View Reel $1.40 $1.54 $1.50 $1.47 $1.43 $1.40	Min.: 1 Mult.: 1 : 3,000	512 kbit	SPI	20 MHz	64 k x 8	UDFN-8		1.8 V	5.5 V	SMD/SMT	100 Year	- 40 C	+ 125 C	CAT25512	Reel, Cut Tape
EEPROM 512KB SPI SER CMOS EEPROM CAT25512XE-T2 onsemi 1: $3.69 1,382In Stock	Mfr. Part # CAT25512XE-T2 Mouser Part # 863-CAT25512XE-T2	onsemi	EEPROM 512KB SPI SER CMOS EEPROM Learn More about onsemi cat25x spi serial eeproms	Datasheet	1,382In Stock	Cut Tape $3.69 $3.44 $3.34 $3.27 View Reel $2.87 $3.20 $3.10 $3.05 $2.97 $2.87	Min.: 1 Mult.: 1 : 2,000	512 kbit	SPI	20 MHz	64 k x 8	SOIC-8		1.8 V	5.5 V	SMD/SMT	100 Year	- 40 C	+ 125 C	CAT25512	Reel, Cut Tape
EEPROM 512KB SPI SER CMOS EEPROM CAT25512XI-T2 onsemi 1: $3.76 2,000In Stock	Mfr. Part # CAT25512XI-T2 Mouser Part # 863-CAT25512XI-T2	onsemi	EEPROM 512KB SPI SER CMOS EEPROM Learn More about onsemi cat25x spi serial eeproms	Datasheet	2,000In Stock	Cut Tape $3.76 $3.51 $3.41 $3.33 View Reel $2.92 $3.25 $3.15 $3.11 $3.02 $2.92	Min.: 1 Mult.: 1 : 2,000	512 kbit	SPI	20 MHz	64 k x 8	SOIC-8		1.8 V	5.5 V	SMD/SMT	100 Year	- 40 C	+ 125 C	CAT25512	Reel, Cut Tape
EEPROM 256K SPI Serial CMOS EEPROM CAT25256YI-GT3 onsemi 1: $1.58 24,426In Stock	Mfr. Part # CAT25256YI-GT3 Mouser Part # 698-CAT25256YI-GT3	onsemi	EEPROM 256K SPI Serial CMOS EEPROM Learn More about onsemi cat25x spi serial eeproms	Datasheet	24,426In Stock	Cut Tape $1.58 $1.48 $1.45 $1.41 View Reel $1.24 $1.38 $1.34 $1.31 $1.27 $1.24 MouseReel Available	Min.: 1 Mult.: 1 Max.: 3,000 : 3,000	256 kbit	3-Wire, SPI	20 MHz	32 k x 8	TSSOP-8	75 ns	1.8 V	5.5 V	SMD/SMT	100 Year	- 40 C	+ 85 C	CAT25256	Reel, Cut Tape, MouseReel
EEPROM 512KB SPI SER CMOS EEPROM CAT25512VI-GT3 onsemi 1: $1.48 28,019In Stock	Mfr. Part # CAT25512VI-GT3 Mouser Part # 863-CAT25512VI-GT3	onsemi	EEPROM 512KB SPI SER CMOS EEPROM Learn More about onsemi cat25x spi serial eeproms	Datasheet	28,019In Stock	Cut Tape $1.48 $1.39 $1.36 $1.33 View Reel $1.17 $1.30 $1.26 $1.23 $1.20 $1.17 MouseReel Available	Min.: 1 Mult.: 1 Max.: 3,000 : 3,000	512 kbit	3-Wire, SPI	20 MHz	64 k x 8	SOIC-8	75 ns	1.8 V	5.5 V	SMD/SMT	100 Year	- 40 C	+ 85 C	CAT25512	Reel, Cut Tape, MouseReel
EEPROM 128K SPI Serial CMOS EEPROM CAT25128VI-GT3 onsemi 1: $1.11 9,238In Stock	Mfr. Part # CAT25128VI-GT3 Mouser Part # 698-CAT25128VI-GT3	onsemi	EEPROM 128K SPI Serial CMOS EEPROM Learn More about onsemi cat25x spi serial eeproms	Datasheet	9,238In Stock	Cut Tape $1.11 $1.05 $1.02 $0.998 View Reel $0.87 $0.975 $0.946 $0.924 $0.903 $0.87 MouseReel Available	Min.: 1 Mult.: 1 Max.: 3,000 : 3,000	128 kbit	3-Wire, SPI	20 MHz	16 k x 8	SOIC-8	75 ns	1.8 V	5.5 V	SMD/SMT	100 Year	- 40 C	+ 85 C	CAT25128	Reel, Cut Tape, MouseReel
EEPROM 256K SPI Serial CMOS EEPROM CAT25256VI-GT3 onsemi 1: $1.28 14,516In Stock 12,000Expected 2027-06-04	Mfr. Part # CAT25256VI-GT3 Mouser Part # 698-CAT25256VI-GT3	onsemi	EEPROM 256K SPI Serial CMOS EEPROM Learn More about onsemi cat25x spi serial eeproms	Datasheet	14,516In Stock 12,000Expected 2027-06-04	Cut Tape $1.28 $1.21 $1.18 $1.15 View Reel $1.01 $1.13 $1.09 $1.07 $1.04 $1.01 MouseReel Available	Min.: 1 Mult.: 1 Max.: 3,000 : 3,000	256 kbit	3-Wire, SPI	5 MHz	32 k x 8	SOIC-8	75 ns	1.8 V	5.5 V	SMD/SMT	100 Year	- 40 C	+ 85 C	CAT25256	Reel, Cut Tape, MouseReel
EEPROM 256KB SPI SER CMOS EEPROM CAT25256HU4I-GT3 onsemi 1: $1.31 4,576In Stock	Mfr. Part # CAT25256HU4I-GT3 Mouser Part # 863-CAT25256HU4I-GT3	onsemi	EEPROM 256KB SPI SER CMOS EEPROM Learn More about onsemi cat25x spi serial eeproms	Datasheet	4,576In Stock	Cut Tape $1.31 $1.23 $1.19 $1.17 View Reel $1.02 $1.14 $1.11 $1.08 $1.06 $1.02 MouseReel Available	Min.: 1 Mult.: 1 Max.: 3,000 : 3,000	256 kbit	3-Wire, SPI	10 MHz	32 k x 8	UDFN-8	75 ns	1.8 V	5.5 V	SMD/SMT	100 Year	- 40 C	+ 85 C	CAT25256	Reel, Cut Tape, MouseReel
EEPROM 128K SPI Serial CAT25128VP2I-GT3 onsemi 1: $1.20 645In Stock 3,000Expected 2027-07-23	Mfr. Part # CAT25128VP2I-GT3 Mouser Part # 698-CAT25128VP2I-GT3	onsemi	EEPROM 128K SPI Serial Learn More about onsemi cat25x spi serial eeproms	Datasheet	645In Stock 3,000Expected 2027-07-23	Cut Tape $1.20 $1.12 $1.09 $1.06 View Reel $0.801 $1.04 $1.01 $0.986 $0.962 $0.801 MouseReel Available	Min.: 1 Mult.: 1 Max.: 3,000 : 3,000	128 kbit	3-Wire, SPI	20 MHz	16 k x 8	TDFN-8	75 ns	1.8 V	5.5 V	SMD/SMT	100 Year	- 40 C	+ 85 C	CAT25128	Reel, Cut Tape, MouseReel
EEPROM 128KB SPI SER CMOS EEPROM CAT25128HU4I-GT3 onsemi 1: $1.17 1,180In Stock	Mfr. Part # CAT25128HU4I-GT3 Mouser Part # 863-CAT25128HU4I-GT3	onsemi	EEPROM 128KB SPI SER CMOS EEPROM Learn More about onsemi cat25x spi serial eeproms	Datasheet	1,180In Stock	Cut Tape $1.17 $1.10 $1.07 $1.05 View Reel $0.914 $1.03 $0.995 $0.971 $0.948 $0.914 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	128 kbit	3-Wire, SPI	10 MHz	16 k x 8	UDFN-8		1.8 V	5.5 V	SMD/SMT	100 Year	- 40 C	+ 85 C	CAT25128	Reel, Cut Tape, MouseReel
EEPROM 512KB SPI SER CMOS EEPROM CAT25512YI-GT3 onsemi 1: $1.40 260In Stock 18,000On Order	Mfr. Part # CAT25512YI-GT3 Mouser Part # 863-CAT25512YI-GT3	onsemi	EEPROM 512KB SPI SER CMOS EEPROM Learn More about onsemi cat25x spi serial eeproms	Datasheet	260In Stock 18,000On Order On Order Ship Dates Mfr. #: CAT25512YI-GT3 Stock: 260 Can Ship Immediately On Order: 6,000 Expected 2027-03-26 12,000 Expected 2027-06-25 Factory Lead-Time: 38 Weeks	Cut Tape $1.40 $1.31 $1.28 $1.25 View Reel $1.09 $1.22 $1.19 $1.16 $1.13 $1.09 MouseReel Available	Min.: 1 Mult.: 1 Max.: 3,000 : 3,000	512 kbit	3-Wire, SPI	20 MHz	64 k x 8	TSSOP-8	75 ns	1.8 V	5.5 V	SMD/SMT	100 Year	- 40 C	+ 85 C	CAT25512	Reel, Cut Tape, MouseReel

CAT25x SPI Serial EEPROMs

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