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. 

Results: 17
Select Image Part # Mfr. Description Datasheet Availability Pricing (CAD) Filter the results in the table by unit price based on your quantity. Qty. RoHS ECAD Model 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

Microchip Technology EEPROM SEEPROM, 1K, SW - 1.7-3.6V, 125Kbps, Ind Tmp, 3-SOT23 23,973In Stock
Cut Tape
$2.51
$1.92
$1.73
$1.66
Reel
$1.05
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

Microchip Technology EEPROM SEEPROM, 1K, SW - 1.7-3.6V, 125Kbps, Ind Tmp, 3-SOT23 3,482In Stock
Cut Tape
$1.48
Reel
$1.26
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
Microchip Technology EEPROM SEEPROM, 1K, SW - 1.7-3.6V, 125Kbps, Ind Tmp, 8-SOIC 3,865In Stock
Cut Tape
$0.893
$0.891
Reel
$0.757
$0.752
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

Microchip Technology EEPROM SEEPROM, 1K, SW - 1.7-3.6V, 125Kbps, Ind Tmp, 3-SOT23 4,365In Stock
Cut Tape
$1.27
$1.26
Reel
$1.07
$1.06
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

Microchip Technology EEPROM SEEPROM, 1K, SW - 1.7-3.6V, 125Kbps, Ind Tmp, 3-SOT23 2,717In Stock
Cut Tape
$1.01
$1.00
$0.978
Reel
$0.831
$0.827
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

Microchip Technology EEPROM SEEPROM, 1K, SW - 1.7-3.6V, 125Kbps, Ind Tmp, 3-SOT23 13,657In Stock
Cut Tape
$1.27
$1.26
Reel
$1.07
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

Microchip Technology EEPROM SEEPROM, 1K, SW - 1.7-3.6V, 125Kbps, Ind Tmp, 3-SOT23 12,130In Stock
Cut Tape
$1.09
Reel
$0.926
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
Microchip Technology EEPROM SEEPROM, 1K, SW - 1.7-3.6V, 125Kbps, Ind Tmp, 8-SOIC 3,980In Stock
Cut Tape
$0.893
$0.891
Reel
$0.757
$0.753
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
Microchip Technology EEPROM SEEPROM, 1K, SW - 1.7-3.6V, 125Kbps, Ind Tmp, 8-SOIC 3,598In Stock
Cut Tape
$1.15
$1.14
Reel
$0.968
$0.963
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
Microchip Technology EEPROM SEEPROM, 1K, SW - 1.7-3.6V, 125Kbps, Ind Tmp, 8-SOIC 3,970In Stock
Cut Tape
$0.893
$0.891
Reel
$0.757
$0.753
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

Microchip Technology EEPROM 1.7-3.6V, 125Kbps, Ind Tmp, 3-SOT23, Add=000 34,858In Stock
35,000Expected 2026-11-04
Cut Tape
$0.389
$0.376
Reel
$0.338
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
Microchip Technology EEPROM 1.7-3.6V, 125Kbps, Ind Tmp, 8-SOIC, Add=000 1,468In Stock
Cut Tape
$0.389
$0.376
Reel
$0.338
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

Microchip Technology EEPROM SEEPROM, 1K, SW - 1.7-3.6V, 125Kbps, Ind Tmp, 3-SOT23 161In Stock
5,000On Order
Cut Tape
$1.04
$1.01
$0.991
$0.989
Reel
$0.971
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
Microchip Technology EEPROM 1.7-3.6V 125Kbps Ind Tmp 2-XSFN Non-Stocked Lead-Time 8 Weeks
$0.374
$0.369
$0.353
$0.338
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
Microchip Technology EEPROM SEEPROM, 1K, SW - 1.7-3.6V, 125Kbps, Ind Tmp, 8-SOIC Non-Stocked Lead-Time 8 Weeks
Reel
$0.844
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
Microchip Technology EEPROM SEEPROM, 1K, SW - 1.7-3.6V, 125Kbps, Ind Tmp, 8-SOIC Non-Stocked Lead-Time 8 Weeks
Reel
$0.844
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
Microchip Technology EEPROM SEEPROM, 1K, SW - 1.7-3.6V, 125Kbps, Ind Tmp, 8-SOIC Non-Stocked Lead-Time 17 Weeks
Reel
$0.757
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