AT25x SPI Serial EEPROMs

Microchip Technology AT25x SPI Serial EEPROMs are designed for use in applications where low-power and low-voltage operations are essential. These EEPROMs feature block write protection, 20MHz clock cycle, self-timed write cycle, write protect pin, and write disable instructions. The AT25x EEPROMs are enabled through the Chip Select pin (CS) and accessed via a 3-wire interface. This 3-wire interface consists of Serial Clock (SCK), Serial Data Input (SI), and Serial Data Output (SO).

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Description Datasheet Availability Pricing (SEK) 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
Qualification
Packaging
Microchip Technology EEPROM 64K Density SPI 8,192 x 8 Organ
Datasheet
5 000In Stock
Min.: 5 000
Mult.: 5 000
: 5 000

64 kbit 3-Wire, SPI 20 MHz 8 k x 8 UDFN-8 1.8 V 5.5 V SMD/SMT 100 Year - 40 C + 85 C AT25640B Reel
Microchip Technology EEPROM 1.8-5.5V, 20MHz, Ind Tmp, 8-UDFN
Datasheet
9 334In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 15 000

128 kbit 3-Wire, SPI 20 MHz 16 k x 8 UDFN-8 80 ns 1.8 V 5.5 V SMD/SMT 100 Year - 40 C + 85 C AT25128B Reel, Cut Tape, MouseReel
Microchip Technology EEPROM 64K Density SPI 8,192 x 8 Organ
Datasheet
4 292In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 4 000

64 kbit 3-Wire, SPI 20 MHz 8 k x 8 SOIC-Narrow-8 80 ns 1.8 V 5.5 V SMD/SMT 100 Year - 40 C + 85 C AT25640B Reel, Cut Tape, MouseReel
Microchip Technology EEPROM 64K Density SPI 8,192 x 8 Organ
Datasheet
2 692In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 5 000

64 kbit 3-Wire, SPI 20 MHz 8 k x 8 TSSOP-8 80 ns 1.8 V 5.5 V SMD/SMT 100 Year - 40 C + 85 C AT25640B Reel, Cut Tape, MouseReel
Microchip Technology EEPROM 128K Density SPI 16,384 x 8 Organ
Datasheet
9 121In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 4 000

128 kbit 3-Wire, SPI 20 MHz 16 k x 8 SOIC-Narrow-8 80 ns 1.8 V 5.5 V SMD/SMT 100 Year - 40 C + 85 C AT25128B Reel, Cut Tape, MouseReel
Microchip Technology EEPROM 1K (128 X 8) SPI, 1.8V
Datasheet
1 886In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 5 000

1 kbit 3-Wire, SPI 20 MHz 128 x 8 UDFN-8 80 ns 1.8 V 5.5 V SMD/SMT 100 Year - 40 C + 85 C AT25010B Reel, Cut Tape, MouseReel
Microchip Technology EEPROM 1K (128 X 8) SPI, 1.8V
Datasheet
1 572In Stock
Min.: 1
Mult.: 1

1 kbit 3-Wire, SPI 20 MHz 128 x 8 SOIC-Narrow-8 80 ns 1.8 V 5.5 V SMD/SMT 100 Year - 40 C + 85 C AT25010B Tube
Microchip Technology EEPROM 1K (128 X 8) SPI, 1.8V
Datasheet
350In Stock
Min.: 1
Mult.: 1

1 kbit 3-Wire, SPI 20 MHz 128 x 8 TSSOP-8 80 ns 1.8 V 5.5 V SMD/SMT 100 Year - 40 C + 85 C AT25010B Tube
Microchip Technology EEPROM 128K Density SPI 16,384 x 8 Organ
Datasheet
1 356In Stock
Min.: 1
Mult.: 1

128 kbit 3-Wire, SPI 20 MHz 16 k x 8 TSSOP-8 80 ns 1.8 V 5.5 V SMD/SMT 100 Year - 40 C + 85 C AT25128B Tube
Microchip Technology EEPROM 64K Density SPI 8,192 x 8 Organ
Datasheet
1 907In Stock
Min.: 1
Mult.: 1

64 kbit 3-Wire, SPI 20 MHz 8 k x 8 SOIC-Narrow-8 80 ns 1.8 V 5.5 V SMD/SMT 100 Year - 40 C + 85 C AT25640B Tube
Microchip Technology EEPROM 64K Density SPI 8,192 x 8 Organ
Datasheet
475In Stock
Min.: 1
Mult.: 1

64 kbit 3-Wire, SPI 5 MHz 8 k x 8 TSSOP-8 80 ns 1.8 V 5.5 V SMD/SMT 100 Year - 40 C + 85 C AT25640B Tube
Microchip Technology EEPROM 128K Density SPI 16,384 x 8 Organ
Datasheet
269In Stock
4 300On Order
Min.: 1
Mult.: 1

128 kbit 3-Wire, SPI 20 MHz 16 k x 8 SOIC-Narrow-8 80 ns 1.8 V 5.5 V SMD/SMT 100 Year - 40 C + 85 C AT25128B Tube
Microchip Technology EEPROM 1K (128 X 8) SPI, 1.8V
Datasheet
11 970Expected 2026-08-12
MouseReel Available
Min.: 1
Mult.: 1
: 4 000

1 kbit 3-Wire, SPI 20 MHz 128 x 8 SOIC-Narrow-8 80 ns 1.8 V 5.5 V SMD/SMT 100 Year - 40 C + 85 C AT25010B Reel, Cut Tape, MouseReel
Microchip Technology EEPROM 1K (128 X 8) SPI, 1.8V
Datasheet
Lead-Time 9 Weeks
Min.: 5 000
Mult.: 5 000
: 5 000

1 kbit 3-Wire, SPI 20 MHz 128 x 8 TSSOP-8 80 ns 1.8 V 5.5 V SMD/SMT 100 Year - 40 C + 85 C AT25010B Reel
Microchip Technology EEPROM 128K Density SPI 16,384 x 8 Organ
Datasheet
Lead-Time 10 Weeks
Min.: 5 000
Mult.: 5 000
: 5 000

128 kbit 3-Wire, SPI 20 MHz 16 k x 8 TSSOP-8 1.8 V 5.5 V SMD/SMT 100 Year - 40 C + 85 C AT25128B Reel
Microchip Technology EEPROM 1.8-5.5V, 20MHz, Ind Tmp, 8-UDFN
Datasheet
Non-Stocked Lead-Time 12 Weeks
Min.: 15 000
Mult.: 15 000
: 15 000

1 kbit 3-Wire, SPI 20 MHz 128 x 8 UDFN-8 80 ns 1.8 V 5.5 V SMD/SMT 100 Year - 40 C + 85 C AT25010B Reel
Microchip Technology EEPROM 5MHz, Auto Grade, 8-SOIC-N
Datasheet
Non-Stocked Lead-Time 9 Weeks
Min.: 4 000
Mult.: 4 000
: 4 000

1 kbit SPI 5 MHz 128 x 8 SOIC-Narrow-8 2.5 V 5.5 V SMD/SMT 100 Year - 40 C + 125 C AT25010B AEC-Q100 Reel
Microchip Technology EEPROM 5MHz, Auto Temp, 8-TSSOP
Datasheet
Non-Stocked Lead-Time 8 Weeks
Min.: 5 000
Mult.: 5 000
: 5 000

1 kbit SPI 5 MHz 128 x 8 TSSOP-8 2.5 V 5.5 V SMD/SMT 100 Year - 40 C + 125 C AT25010B AEC-Q100 Reel
Microchip Technology EEPROM 2.5-5.5v, 5MHz, A-Tmp, 8-TSSOP
Datasheet
Non-Stocked Lead-Time 10 Weeks
Min.: 5 000
Mult.: 5 000
: 5 000

128 kbit SPI 5 MHz 16 k x 8 TSSOP-8 2.5 V 5.5 V SMD/SMT 100 Year - 40 C + 125 C AT25128B AEC-Q100 Reel
Microchip Technology EEPROM 1.8-5.5V, 20MHz, Ind Tmp, 8-UDFN
Datasheet
Non-Stocked Lead-Time 12 Weeks
Min.: 1
Mult.: 1
: 5 000

64 kbit SPI 20 MHz 8 k x 8 UDFN-8 1.8 V 5.5 V SMD/SMT 100 Year - 40 C + 85 C AT25640B Reel, Cut Tape
Microchip Technology EEPROM 128K Density SPI 16,384 x 8 Organ
Datasheet
Non-Stocked Lead-Time 13 Weeks
Min.: 5 000
Mult.: 5 000
: 5 000

128 kbit 3-Wire, SPI 20 MHz 16 k x 8 UDFN-8 80 ns 1.8 V 5.5 V SMD/SMT 100 Year - 40 C + 85 C AT25128B Reel