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24CS128 128Kbits 3.4MHz I2C Serial EEPROMs

Microchip Technology 24CS128 128Kbits 3.4MHz I²C Serial EEPROMs utilize an I²C (two-wire) serial interface with 3.4MHz high-speed mode capability. The device is organized as 16,384 bytes of 8 bits each (16-Kbyte) and is optimized for use in consumer, industrial, and automotive applications where reliable and dependable non-volatile memory storage is essential. The 24CS128 allows up to eight devices to share a common I²C (two-wire) bus and is capable of operation across a broad voltage range (1.7V to 5.5V).

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (EUR) Filter the results in the table by unit price based on your quantity.	Qty.	Memory Size	Interface Type	Maximum Clock Frequency	Organisation	Package/Case	Supply Voltage - Min	Supply Voltage - Max	Mounting Style	Data Retention	Minimum Operating Temperature	Maximum Operating Temperature	Packaging
EEPROM 128K 3.4MHz I2C SERIAL EEPROM, E-Temp, ECC, MSOP 24CS128-E/MS Microchip Technology 1: € 0,464 790In Stock New Product	Mfr. Part No. 24CS128-E/MS Mouser Part No 579-24CS128EMS New Product	Microchip Technology	EEPROM 128K 3.4MHz I2C SERIAL EEPROM, E-Temp, ECC, MSOP Learn More about Microchip Technology microchip 24cs128 128kb i2c serial eeproms	Datasheet	790In Stock	€ 0,464 € 0,458 € 0,44 € 0,431 € 0,421	Min.: 1 Mult.: 1	128 kbit	I2C	3.4 MHz	16384 x 8	MSOP-8	1.7 V	5.5 V	SMD/SMT	200 Year	- 40 C	+ 125 C	Tube
EEPROM 128K 3.4MHz I2C SERIAL EEPROM, E-Temp, ECC, SOIC 24CS128-E/SN Microchip Technology 1: € 0,404 762In Stock New Product	Mfr. Part No. 24CS128-E/SN Mouser Part No 579-24CS128ESN New Product	Microchip Technology	EEPROM 128K 3.4MHz I2C SERIAL EEPROM, E-Temp, ECC, SOIC Learn More about Microchip Technology microchip 24cs128 128kb i2c serial eeproms	Datasheet	762In Stock	€ 0,404 € 0,403 € 0,394 € 0,385 € 0,376	Min.: 1 Mult.: 1	128 kbit	I2C	3.4 MHz	16384 x 8	SOIC-8	1.7 V	5.5 V	SMD/SMT	200 Year	- 40 C	+ 125 C	Tube
EEPROM 128K 3.4MHz I2C SERIAL EEPROM, E-Temp, ECC, TSSOP 24CS128T-E/ST Microchip Technology 1: € 0,464 2 229In Stock New Product	Mfr. Part No. 24CS128T-E/ST Mouser Part No 579-24CS128TEST New Product	Microchip Technology	EEPROM 128K 3.4MHz I2C SERIAL EEPROM, E-Temp, ECC, TSSOP Learn More about Microchip Technology microchip 24cs128 128kb i2c serial eeproms	Datasheet	2 229In Stock	Cut Tape € 0,464 € 0,458 € 0,44 € 0,431 Reel € 0,421 MouseReel Available	Min.: 1 Mult.: 1 : 2 500	128 kbit	I2C	3.4 MHz	16384 x 8	TSSOP-8	1.7 V	5.5 V	SMD/SMT	200 Year	- 40 C	+ 125 C	Reel, Cut Tape, MouseReel
EEPROM 128K 3.4MHz I2C SERIAL EEPROM, E-Temp, ECC, SOIC 24CS128T-E/SN Microchip Technology 1: € 0,404 3 138In Stock New Product	Mfr. Part No. 24CS128T-E/SN Mouser Part No 579-24CS128TESN New Product	Microchip Technology	EEPROM 128K 3.4MHz I2C SERIAL EEPROM, E-Temp, ECC, SOIC Learn More about Microchip Technology microchip 24cs128 128kb i2c serial eeproms	Datasheet	3 138In Stock	Cut Tape € 0,404 € 0,403 € 0,394 € 0,385 Reel € 0,376 MouseReel Available	Min.: 1 Mult.: 1 : 3 300	128 kbit	I2C	3.4 MHz	16384 x 8	SOIC-8	1.7 V	5.5 V	SMD/SMT	200 Year	- 40 C	+ 125 C	Reel, Cut Tape, MouseReel
EEPROM 128K 3.4MHz I2C SERIAL EEPROM, I-Temp, ECC, MSOP 24CS128T-I/MS Microchip Technology 1: € 0,404 2 492In Stock New Product	Mfr. Part No. 24CS128T-I/MS Mouser Part No 579-24CS128TIMS New Product	Microchip Technology	EEPROM 128K 3.4MHz I2C SERIAL EEPROM, I-Temp, ECC, MSOP Learn More about Microchip Technology microchip 24cs128 128kb i2c serial eeproms	Datasheet	2 492In Stock	Cut Tape € 0,404 € 0,403 € 0,394 € 0,385 Reel € 0,376 MouseReel Available	Min.: 1 Mult.: 1 : 2 500	128 kbit	I2C	3.4 MHz	16384 x 8	MSOP-8	1.7 V	5.5 V	SMD/SMT	200 Year	- 40 C	+ 85 C	Reel, Cut Tape, MouseReel
EEPROM 128K 3.4MHz I2C SERIAL EEPROM, E-Temp, ECC, SOT-23 24CS128T-E/OT Microchip Technology 1: € 0,37 2 083In Stock New Product	Mfr. Part No. 24CS128T-E/OT Mouser Part No 579-24CS128TEOT New Product	Microchip Technology	EEPROM 128K 3.4MHz I2C SERIAL EEPROM, E-Temp, ECC, SOT-23 Learn More about Microchip Technology microchip 24cs128 128kb i2c serial eeproms	Datasheet	2 083In Stock	Cut Tape € 0,37 € 0,366 € 0,358 € 0,348 Reel € 0,34 MouseReel Available	Min.: 1 Mult.: 1 : 3 000	128 kbit	I2C	3.4 MHz	16384 x 8	SOT-23-5	1.7 V	5.5 V	SMD/SMT	200 Year	- 40 C	+ 125 C	Reel, Cut Tape, MouseReel
EEPROM 128K 3.4MHz I2C SERIAL EEPROM, E-Temp, ECC, SOIJ 24CS128T-E/SM Microchip Technology 1: € 0,516 2 100In Stock New Product	Mfr. Part No. 24CS128T-E/SM Mouser Part No 579-24CS128TESM New Product	Microchip Technology	EEPROM 128K 3.4MHz I2C SERIAL EEPROM, E-Temp, ECC, SOIJ Learn More about Microchip Technology microchip 24cs128 128kb i2c serial eeproms	Datasheet	2 100In Stock	Cut Tape € 0,516 € 0,513 € 0,495 € 0,486 Reel € 0,476 MouseReel Available	Min.: 1 Mult.: 1 : 2 100	128 kbit	I2C	3.4 MHz	16384 x 8	SOIJ-8	1.7 V	5.5 V	SMD/SMT	200 Year	- 40 C	+ 125 C	Reel, Cut Tape, MouseReel
EEPROM 128K 3.4MHz I2C SERIAL EEPROM, E-Temp, ECC, MSOP 24CS128T-E/MS Microchip Technology 1: € 0,464 2 488In Stock New Product	Mfr. Part No. 24CS128T-E/MS Mouser Part No 579-24CS128TEMS New Product	Microchip Technology	EEPROM 128K 3.4MHz I2C SERIAL EEPROM, E-Temp, ECC, MSOP Learn More about Microchip Technology microchip 24cs128 128kb i2c serial eeproms	Datasheet	2 488In Stock	Cut Tape € 0,464 € 0,458 € 0,44 € 0,431 Reel € 0,421 MouseReel Available	Min.: 1 Mult.: 1 : 2 500	128 kbit	I2C	3.4 MHz	16384 x 8	MSOP-8	1.7 V	5.5 V	SMD/SMT	200 Year	- 40 C	+ 125 C	Reel, Cut Tape, MouseReel
EEPROM 128K 3.4MHz I2C SERIAL EEPROM, E-Temp, ECC, PDIP 24CS128-E/P Microchip Technology 1: € 0,593 584In Stock New Product	Mfr. Part No. 24CS128-E/P Mouser Part No 579-24CS128EP New Product	Microchip Technology	EEPROM 128K 3.4MHz I2C SERIAL EEPROM, E-Temp, ECC, PDIP Learn More about Microchip Technology microchip 24cs128 128kb i2c serial eeproms	Datasheet	584In Stock	€ 0,593 € 0,587 € 0,568 € 0,559 € 0,541	Min.: 1 Mult.: 1	128 kbit	I2C	3.4 MHz	16384 x 8	PDIP-8	1.7 V	5.5 V	SMD/SMT	200 Year	- 40 C	+ 125 C	Tube
EEPROM 128K 3.4MHz I2C SERIAL EEPROM, I-Temp, ECC, PDIP 24CS128-I/P Microchip Technology 1: € 0,533 624In Stock New Product	Mfr. Part No. 24CS128-I/P Mouser Part No 579-24CS128IP New Product	Microchip Technology	EEPROM 128K 3.4MHz I2C SERIAL EEPROM, I-Temp, ECC, PDIP Learn More about Microchip Technology microchip 24cs128 128kb i2c serial eeproms	Datasheet	624In Stock	€ 0,533 € 0,531 € 0,513 € 0,504 € 0,495	Min.: 1 Mult.: 1	128 kbit	I2C	3.4 MHz	16384 x 8	PDIP-8	1.7 V	5.5 V	SMD/SMT	200 Year	- 40 C	+ 85 C	Tube
EEPROM 128K 3.4MHz I2C SERIAL EEPROM, I-Temp, ECC, SOIJ 24CS128T-I/SM Microchip Technology 1: € 0,464 2 100In Stock New Product	Mfr. Part No. 24CS128T-I/SM Mouser Part No 579-24CS128TISM New Product	Microchip Technology	EEPROM 128K 3.4MHz I2C SERIAL EEPROM, I-Temp, ECC, SOIJ Learn More about Microchip Technology microchip 24cs128 128kb i2c serial eeproms	Datasheet	2 100In Stock	Cut Tape € 0,464 € 0,458 € 0,44 € 0,431 Reel € 0,421 MouseReel Available	Min.: 1 Mult.: 1 : 2 100	128 kbit	I2C	3.4 MHz	16384 x 8	SOIJ-8	1.7 V	5.5 V	SMD/SMT	200 Year	- 40 C	+ 85 C	Reel, Cut Tape, MouseReel
EEPROM 128K 3.4MHz I2C SERIAL EEPROM, E-Temp, ECC, SOIJ 24CS128-E/SM Microchip Technology 1: € 0,516 720In Stock New Product	Mfr. Part No. 24CS128-E/SM Mouser Part No 579-24CS128ESM New Product	Microchip Technology	EEPROM 128K 3.4MHz I2C SERIAL EEPROM, E-Temp, ECC, SOIJ Learn More about Microchip Technology microchip 24cs128 128kb i2c serial eeproms	Datasheet	720In Stock	€ 0,516 € 0,513 € 0,495 € 0,486 € 0,476	Min.: 1 Mult.: 1	128 kbit	I2C	3.4 MHz	16384 x 8	SOIJ-8	1.7 V	5.5 V	SMD/SMT	200 Year	- 40 C	+ 125 C	Tube
EEPROM 128K 3.4MHz I2C SERIAL EEPROM, E-Temp, ECC, UDFN 24CS128T-E/Q4B Microchip Technology 1: € 0,447 4 437In Stock New Product	Mfr. Part No. 24CS128T-E/Q4B Mouser Part No 579-24CS128TEQ4B New Product	Microchip Technology	EEPROM 128K 3.4MHz I2C SERIAL EEPROM, E-Temp, ECC, UDFN Learn More about Microchip Technology microchip 24cs128 128kb i2c serial eeproms	Datasheet	4 437In Stock	Cut Tape € 0,447 € 0,44 € 0,421 € 0,413 Reel € 0,403 MouseReel Available	Min.: 1 Mult.: 1 : 5 000	128 kbit	I2C	3.4 MHz	16384 x 8	UDFN-8	1.7 V	5.5 V	SMD/SMT	200 Year	- 40 C	+ 125 C	Reel, Cut Tape, MouseReel
EEPROM 128K 3.4MHz I2C SERIAL EEPROM, I-Temp, ECC, UDFN 24CS128T-I/Q4B Microchip Technology 1: € 0,387 4 741In Stock New Product	Mfr. Part No. 24CS128T-I/Q4B Mouser Part No 579-24CS128TIQ4B New Product	Microchip Technology	EEPROM 128K 3.4MHz I2C SERIAL EEPROM, I-Temp, ECC, UDFN Learn More about Microchip Technology microchip 24cs128 128kb i2c serial eeproms	Datasheet	4 741In Stock	Cut Tape € 0,387 € 0,385 € 0,376 € 0,366 Reel € 0,358 MouseReel Available	Min.: 1 Mult.: 1 : 5 000	128 kbit	I2C	3.4 MHz	16384 x 8	UDFN-8	1.7 V	5.5 V	SMD/SMT	200 Year	- 40 C	+ 85 C	Reel, Cut Tape, MouseReel
EEPROM 128K 3.4MHz I2C SERIAL EEPROM, I-Temp, ECC, MSOP 24CS128-I/MS Microchip Technology 1: € 0,404 900In Stock New Product	Mfr. Part No. 24CS128-I/MS Mouser Part No 579-24CS128IMS New Product	Microchip Technology	EEPROM 128K 3.4MHz I2C SERIAL EEPROM, I-Temp, ECC, MSOP Learn More about Microchip Technology microchip 24cs128 128kb i2c serial eeproms	Datasheet	900In Stock	€ 0,404 € 0,403 € 0,394 € 0,385 € 0,376	Min.: 1 Mult.: 1	128 kbit	I2C	3.4 MHz	16384 x 8	MSOP-8	1.7 V	5.5 V	SMD/SMT	200 Year	- 40 C	+ 85 C	Tube
EEPROM 128K 3.4MHz I2C SERIAL EEPROM, I-Temp, ECC, SOIJ 24CS128-I/SM Microchip Technology 1: € 0,464 720In Stock New Product	Mfr. Part No. 24CS128-I/SM Mouser Part No 579-24CS128ISM New Product	Microchip Technology	EEPROM 128K 3.4MHz I2C SERIAL EEPROM, I-Temp, ECC, SOIJ Learn More about Microchip Technology microchip 24cs128 128kb i2c serial eeproms	Datasheet	720In Stock	€ 0,464 € 0,458 € 0,44 € 0,431 € 0,421	Min.: 1 Mult.: 1	128 kbit	I2C	3.4 MHz	16384 x 8	SOIJ-8	1.7 V	5.5 V	SMD/SMT	200 Year	- 40 C	+ 85 C	Tube
EEPROM 128K 3.4MHz I2C SERIAL EEPROM, I-Temp, ECC, SOIC 24CS128-I/SN Microchip Technology 1: € 0,353 975In Stock New Product	Mfr. Part No. 24CS128-I/SN Mouser Part No 579-24CS128ISN New Product	Microchip Technology	EEPROM 128K 3.4MHz I2C SERIAL EEPROM, I-Temp, ECC, SOIC Learn More about Microchip Technology microchip 24cs128 128kb i2c serial eeproms	Datasheet	975In Stock	€ 0,353 € 0,348 € 0,34 € 0,33 € 0,321	Min.: 1 Mult.: 1	128 kbit	I2C	3.4 MHz	16384 x 8	SOIC-8	1.7 V	5.5 V	SMD/SMT	200 Year	- 40 C	+ 85 C	Tube
EEPROM 128K 3.4MHz I2C SERIAL EEPROM, I-Temp, ECC, SOT-23 24CS128T-I/OT Microchip Technology 1: € 0,318 5 256In Stock 15 000Expected 06/10/2026 New Product	Mfr. Part No. 24CS128T-I/OT Mouser Part No 579-24CS128TIOT New Product	Microchip Technology	EEPROM 128K 3.4MHz I2C SERIAL EEPROM, I-Temp, ECC, SOT-23 Learn More about Microchip Technology microchip 24cs128 128kb i2c serial eeproms	Datasheet	5 256In Stock 15 000Expected 06/10/2026	Cut Tape € 0,318 € 0,312 € 0,303 € 0,293 Reel € 0,285 MouseReel Available	Min.: 1 Mult.: 1 : 3 000	128 kbit	I2C	3.4 MHz	16384 x 8	SOT-23-5	1.7 V	5.5 V	SMD/SMT	200 Year	- 40 C	+ 85 C	Reel, Cut Tape, MouseReel
EEPROM 128K 3.4MHz I2C SERIAL EEPROM, I-Temp, ECC, SOIC 24CS128T-I/SN Microchip Technology 1: € 0,353 3 183In Stock New Product	Mfr. Part No. 24CS128T-I/SN Mouser Part No 579-24CS128TISN New Product	Microchip Technology	EEPROM 128K 3.4MHz I2C SERIAL EEPROM, I-Temp, ECC, SOIC Learn More about Microchip Technology microchip 24cs128 128kb i2c serial eeproms	Datasheet	3 183In Stock	Cut Tape € 0,353 € 0,348 € 0,34 € 0,33 Reel € 0,321 MouseReel Available	Min.: 1 Mult.: 1 : 3 300	128 kbit	I2C	3.4 MHz	16384 x 8	SOIC-8	1.7 V	5.5 V	SMD/SMT	200 Year	- 40 C	+ 85 C	Reel, Cut Tape, MouseReel
EEPROM 128K 3.4MHz I2C SERIAL EEPROM, I-Temp, ECC, TSSOP 24CS128T-I/ST Microchip Technology 1: € 0,404 2 447In Stock New Product	Mfr. Part No. 24CS128T-I/ST Mouser Part No 579-24CS128TIST New Product	Microchip Technology	EEPROM 128K 3.4MHz I2C SERIAL EEPROM, I-Temp, ECC, TSSOP Learn More about Microchip Technology microchip 24cs128 128kb i2c serial eeproms	Datasheet	2 447In Stock	Cut Tape € 0,404 € 0,403 € 0,394 € 0,385 Reel € 0,376 MouseReel Available	Min.: 1 Mult.: 1 : 2 500	128 kbit	I2C	3.4 MHz	16384 x 8	TSSOP-8	1.7 V	5.5 V	SMD/SMT	200 Year	- 40 C	+ 85 C	Reel, Cut Tape, MouseReel

24CS128 128Kbits 3.4MHz I2C Serial EEPROMs

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