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AT21CS01 EEPROM

Microchip Technology AT21CS01 EEPROM device is self-powered via 1.7V to 3.6V pull-up voltage in the single I/O line low voltage operation. These AT21CS01 provide 1,024bits of serial EEPROM internally organized as 128 words of 8 bits each (1Kbit). This device shares a common single-wire bus with an I²C protocol structure from which communication is achieved through a single I/O pin. The AT21CS01 features a 15.4Kbps max bit rate in standard speed mode and a 125Kbps max bit rate in high-speed mode.

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (PEN) Filter the results in the table by unit price based on your quantity.	Qty.	Memory Size	Interface Type	Organization	Package / Case	Supply Voltage - Min	Supply Voltage - Max	Mounting Style	Data Retention	Minimum Operating Temperature	Maximum Operating Temperature	Series	Packaging
EEPROM SEEPROM, 1K, SW - 1.7-3.6V, 125Kbps, Ind Tmp, 3-SOT23 AT21CS01-STUM17-T Microchip Technology 1: S/6.77 24,476In Stock	Mfr. Part # AT21CS01-STUM17-T Mouser Part # 556-AT21CS01STUM17T	Microchip Technology	EEPROM SEEPROM, 1K, SW - 1.7-3.6V, 125Kbps, Ind Tmp, 3-SOT23 Learn More about Microchip Technology microchip at21cs01 eeproms	Datasheet	24,476In Stock	Cut Tape S/6.77 S/5.18 S/4.67 S/4.48 Reel S/2.85 View S/4.13 S/3.73 S/3.44 S/2.68 MouseReel Available	Min.: 1 Mult.: 1 : 5,000	1 kbit	1-Wire	128 x 8	SOT-23-3	1.7 V	3.6 V	SMD/SMT	100 Year	- 40 C	+ 85 C	AT21CS01	Reel, Cut Tape, MouseReel
EEPROM SEEPROM, 1K, SW - 1.7-3.6V, 125Kbps, Ind Tmp, 3-SOT23 AT21CS01-STUM13-T Microchip Technology 1: S/4.01 3,482In Stock	Mfr. Part # AT21CS01-STUM13-T Mouser Part # 556-AT21CS01STUM13T	Microchip Technology	EEPROM SEEPROM, 1K, SW - 1.7-3.6V, 125Kbps, Ind Tmp, 3-SOT23 Learn More about Microchip Technology microchip at21cs01 eeproms	Datasheet	3,482In Stock	Cut Tape S/4.01 Reel S/3.40 MouseReel Available	Min.: 1 Mult.: 1 : 5,000	1 kbit	1-Wire	128 x 8	SOT-23-3	1.7 V	3.6 V	SMD/SMT	100 Year	- 40 C	+ 85 C	AT21CS01	Reel, Cut Tape, MouseReel
EEPROM SEEPROM, 1K, SW - 1.7-3.6V, 125Kbps, Ind Tmp, 3-SOT23 AT21CS01-STUM12-T Microchip Technology 1: S/3.43 4,365In Stock	Mfr. Part # AT21CS01-STUM12-T Mouser Part # 556-AT21CS01STUM12T	Microchip Technology	EEPROM SEEPROM, 1K, SW - 1.7-3.6V, 125Kbps, Ind Tmp, 3-SOT23 Learn More about Microchip Technology microchip at21cs01 eeproms	Datasheet	4,365In Stock	Cut Tape S/3.43 S/3.40 Reel S/2.89 S/2.88 MouseReel Available	Min.: 1 Mult.: 1 : 5,000	1 kbit	1-Wire	128 x 8	SOT-23-3	1.7 V	3.6 V	SMD/SMT	100 Year	- 40 C	+ 85 C	AT21CS01	Reel, Cut Tape, MouseReel
EEPROM SEEPROM, 1K, SW - 1.7-3.6V, 125Kbps, Ind Tmp, 3-SOT23 AT21CS01-STUM14-T Microchip Technology 1: S/2.72 2,717In Stock	Mfr. Part # AT21CS01-STUM14-T Mouser Part # 556-AT21CS01STUM14T	Microchip Technology	EEPROM SEEPROM, 1K, SW - 1.7-3.6V, 125Kbps, Ind Tmp, 3-SOT23 Learn More about Microchip Technology microchip at21cs01 eeproms	Datasheet	2,717In Stock	Cut Tape S/2.72 S/2.71 S/2.64 Reel S/2.25 S/2.23 MouseReel Available	Min.: 1 Mult.: 1 : 5,000	1 kbit	1-Wire	128 x 8	SOT-23-3	1.7 V	3.6 V	SMD/SMT	100 Year	- 40 C	+ 85 C	AT21CS01	Reel, Cut Tape, MouseReel
EEPROM SEEPROM, 1K, SW - 1.7-3.6V, 125Kbps, Ind Tmp, 3-SOT23 AT21CS01-STUM11-T Microchip Technology 1: S/2.96 12,655In Stock	Mfr. Part # AT21CS01-STUM11-T Mouser Part # 556-AT21CS01STUM11T	Microchip Technology	EEPROM SEEPROM, 1K, SW - 1.7-3.6V, 125Kbps, Ind Tmp, 3-SOT23 Learn More about Microchip Technology microchip at21cs01 eeproms	Datasheet	12,655In Stock	Cut Tape S/2.96 S/2.95 Reel S/2.50	Min.: 1 Mult.: 1 : 5,000	1 kbit	1-Wire	128 x 8	SOT-23-3	1.7 V	3.6 V	SMD/SMT	100 Year	- 40 C	+ 85 C	AT21CS01	Reel, Cut Tape
EEPROM SEEPROM, 1K, SW - 1.7-3.6V, 125Kbps, Ind Tmp, 3-SOT23 AT21CS01-STUM15-T Microchip Technology 1: S/3.43 13,657In Stock	Mfr. Part # AT21CS01-STUM15-T Mouser Part # 556-AT21CS01STUM15T	Microchip Technology	EEPROM SEEPROM, 1K, SW - 1.7-3.6V, 125Kbps, Ind Tmp, 3-SOT23 Learn More about Microchip Technology microchip at21cs01 eeproms	Datasheet	13,657In Stock	Cut Tape S/3.43 S/3.41 Reel S/2.90 S/2.88	Min.: 1 Mult.: 1 : 5,000	1 kbit	1-Wire	128 x 8	SOT-23-3	1.7 V	3.6 V	SMD/SMT	100 Year	- 40 C	+ 85 C	AT21CS01	Reel, Cut Tape
EEPROM SEEPROM, 1K, SW - 1.7-3.6V, 125Kbps, Ind Tmp, 8-SOIC AT21CS01-SSHM12-T Microchip Technology 1: S/2.41 3,980In Stock	Mfr. Part # AT21CS01-SSHM12-T Mouser Part # 556-AT21CS01SSHM12T	Microchip Technology	EEPROM SEEPROM, 1K, SW - 1.7-3.6V, 125Kbps, Ind Tmp, 8-SOIC Learn More about Microchip Technology microchip at21cs01 eeproms	Datasheet	3,980In Stock	Cut Tape S/2.41 Reel S/2.05 S/2.04	Min.: 1 Mult.: 1 : 4,000	1 kbit	1-Wire	128 x 8	SOIC-8	1.7 V	3.6 V	SMD/SMT	100 Year	- 40 C	+ 85 C	AT21CS01	Reel, Cut Tape
EEPROM SEEPROM, 1K, SW - 1.7-3.6V, 125Kbps, Ind Tmp, 8-SOIC AT21CS01-SSHM15-T Microchip Technology 1: S/3.11 3,598In Stock	Mfr. Part # AT21CS01-SSHM15-T Mouser Part # 556-AT21CS01SSHM15T	Microchip Technology	EEPROM SEEPROM, 1K, SW - 1.7-3.6V, 125Kbps, Ind Tmp, 8-SOIC Learn More about Microchip Technology microchip at21cs01 eeproms	Datasheet	3,598In Stock	Cut Tape S/3.11 S/3.08 Reel S/2.62 S/2.60	Min.: 1 Mult.: 1 : 4,000	1 kbit	1-Wire	128 x 8	SOIC-8	1.7 V	3.6 V	SMD/SMT	100 Year	- 40 C	+ 85 C	AT21CS01	Reel, Cut Tape
EEPROM SEEPROM, 1K, SW - 1.7-3.6V, 125Kbps, Ind Tmp, 8-SOIC AT21CS01-SSHM14-T Microchip Technology 1: S/2.41 3,970In Stock	Mfr. Part # AT21CS01-SSHM14-T Mouser Part # 556-AT21CS01SSHM14T	Microchip Technology	EEPROM SEEPROM, 1K, SW - 1.7-3.6V, 125Kbps, Ind Tmp, 8-SOIC Learn More about Microchip Technology microchip at21cs01 eeproms	Datasheet	3,970In Stock	Cut Tape S/2.41 Reel S/2.05 S/2.04 MouseReel Available	Min.: 1 Mult.: 1 : 4,000	1 kbit	1-Wire	128 x 8	SOIC-8	1.7 V	3.6 V	SMD/SMT	100 Year	- 40 C	+ 85 C	AT21CS01	Reel, Cut Tape, MouseReel
EEPROM SEEPROM, 1K, SW - 1.7-3.6V, 125Kbps, Ind Tmp, 8-SOIC AT21CS01-SSHM13-T Microchip Technology 1: S/2.41 3,865In Stock	Mfr. Part # AT21CS01-SSHM13-T Mouser Part # 556-AT21CS01SSHM13T	Microchip Technology	EEPROM SEEPROM, 1K, SW - 1.7-3.6V, 125Kbps, Ind Tmp, 8-SOIC Learn More about Microchip Technology microchip at21cs01 eeproms	Datasheet	3,865In Stock	Cut Tape S/2.41 Reel S/2.05 S/2.03	Min.: 1 Mult.: 1 : 4,000	1 kbit	1-Wire	128 x 8	SOIC-8	1.7 V	3.6 V	SMD/SMT	100 Year	- 40 C	+ 85 C	AT21CS01	Reel, Cut Tape
EEPROM SEEPROM, 1K, SW - 1.7-3.6V, 125Kbps, Ind Tmp, 3-SOT23 AT21CS01-STUM16-T Microchip Technology 1: S/2.34 5,301In Stock	Mfr. Part # AT21CS01-STUM16-T Mouser Part # 556-AT21CS01STUM16T	Microchip Technology	EEPROM SEEPROM, 1K, SW - 1.7-3.6V, 125Kbps, Ind Tmp, 3-SOT23 Learn More about Microchip Technology microchip at21cs01 eeproms	Datasheet	5,301In Stock	Cut Tape S/2.34 S/2.30 S/2.21 S/2.14 Reel S/2.14	Min.: 1 Mult.: 1 : 5,000	1 kbit	1-Wire	128 x 8	SOT-23-3	1.7 V	3.6 V	SMD/SMT	100 Year	- 40 C	+ 85 C	AT21CS01	Reel, Cut Tape
EEPROM 1.7-3.6V, 125Kbps, Ind Tmp, 3-SOT23, Add=000 AT21CS01-STUM10-T Microchip Technology 1: S/1.05 36,009In Stock 35,000Expected 12/14/2026	Mfr. Part # AT21CS01-STUM10-T Mouser Part # 556-AT21CS01STUM10T	Microchip Technology	EEPROM 1.7-3.6V, 125Kbps, Ind Tmp, 3-SOT23, Add=000 Learn More about Microchip Technology microchip at21cs01 eeproms	Datasheet	36,009In Stock 35,000Expected 12/14/2026	Cut Tape S/1.05 S/1.02 Reel S/0.915 MouseReel Available	Min.: 1 Mult.: 1 : 5,000	1 kbit	1-Wire	128 x 8	SOT-23-3	1.7 V	3.6 V	SMD/SMT	100 Year	- 40 C	+ 85 C	AT21CS01	Reel, Cut Tape, MouseReel
EEPROM 1.7-3.6V, 125Kbps, Ind Tmp, 8-SOIC, Add=000 AT21CS01-SSHM10-T Microchip Technology 1: S/1.05 1,468In Stock	Mfr. Part # AT21CS01-SSHM10-T Mouser Part # 556-AT21CS01SSHM10T	Microchip Technology	EEPROM 1.7-3.6V, 125Kbps, Ind Tmp, 8-SOIC, Add=000 Learn More about Microchip Technology microchip at21cs01 eeproms	Datasheet	1,468In Stock	Cut Tape S/1.05 S/1.02 Reel S/0.915	Min.: 1 Mult.: 1 : 4,000	1 kbit	1-Wire	128 x 8	SOIC-8	1.7 V	3.6 V	SMD/SMT	100 Year	- 40 C	+ 85 C	AT21CS01	Reel, Cut Tape
EEPROM 1.7-3.6V 125Kbps Ind Tmp 2-XSFN AT21CS01-SSHM10-B Microchip Technology 1: S/1.01 Non-Stocked Lead-Time 8 Weeks	Mfr. Part # AT21CS01-SSHM10-B Mouser Part # 556-AT21CS01SSHM10B	Microchip Technology	EEPROM 1.7-3.6V 125Kbps Ind Tmp 2-XSFN Learn More about Microchip Technology microchip at21cs01 eeproms	Datasheet	Non-Stocked Lead-Time 8 Weeks	S/1.01 S/0.996 S/0.954 S/0.915	Min.: 1 Mult.: 1	1 kbit	1-Wire	128 x 8	SOIC-8	1.7 V	3.6 V	SMD/SMT	100 Year	- 40 C	+ 85 C	AT21CS01	Tube
EEPROM SEEPROM, 1K, SW - 1.7-3.6V, 125Kbps, Ind Tmp, 8-SOIC AT21CS01-SSHM16-T Microchip Technology 4,000: S/2.28 Non-Stocked Lead-Time 8 Weeks	Mfr. Part # AT21CS01-SSHM16-T Mouser Part # 556-AT21CS01SSHM16T	Microchip Technology	EEPROM SEEPROM, 1K, SW - 1.7-3.6V, 125Kbps, Ind Tmp, 8-SOIC Learn More about Microchip Technology microchip at21cs01 eeproms	Datasheet	Non-Stocked Lead-Time 8 Weeks	Reel S/2.28	Min.: 4,000 Mult.: 4,000 : 4,000	1 kbit	1-Wire	128 x 8	SOIC-8	1.7 V	3.6 V	SMD/SMT	100 Year	- 40 C	+ 85 C	AT21CS01	Reel
EEPROM SEEPROM, 1K, SW - 1.7-3.6V, 125Kbps, Ind Tmp, 8-SOIC AT21CS01-SSHM17-T Microchip Technology 4,000: S/2.28 Non-Stocked Lead-Time 8 Weeks	Mfr. Part # AT21CS01-SSHM17-T Mouser Part # 556-AT21CS01SSHM17T	Microchip Technology	EEPROM SEEPROM, 1K, SW - 1.7-3.6V, 125Kbps, Ind Tmp, 8-SOIC Learn More about Microchip Technology microchip at21cs01 eeproms	Datasheet	Non-Stocked Lead-Time 8 Weeks	Reel S/2.28	Min.: 4,000 Mult.: 4,000 : 4,000	1 kbit	1-Wire	128 x 8	SOIC-8	1.7 V	3.6 V	SMD/SMT	100 Year	- 40 C	+ 85 C	AT21CS01	Reel
EEPROM SEEPROM, 1K, SW - 1.7-3.6V, 125Kbps, Ind Tmp, 8-SOIC AT21CS01-SSHM11-T Microchip Technology 4,000: S/2.05 Non-Stocked Lead-Time 17 Weeks	Mfr. Part # AT21CS01-SSHM11-T Mouser Part # 556-AT21CS01SSHM11T	Microchip Technology	EEPROM SEEPROM, 1K, SW - 1.7-3.6V, 125Kbps, Ind Tmp, 8-SOIC Learn More about Microchip Technology microchip at21cs01 eeproms	Datasheet	Non-Stocked Lead-Time 17 Weeks	Reel S/2.05	Min.: 4,000 Mult.: 4,000 : 4,000	1 kbit	1-Wire	128 x 8	SOIC-8	1.7 V	3.6 V	SMD/SMT	100 Year	- 40 C	+ 85 C	AT21CS01	Reel

AT21CS01 EEPROM

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