UNI/O™ Serial EEPROMs

Microchip Technology UNI/O™ Serial EEPROMs have a single I/O bus interface and are based on Microchip's UNI/O™ memory-device protocol. These devices can support any data rate from 10kHz to 100kHz and are available in a 3-pin SOT-23 package. The devices feature status registers, noise filtering, robust ESD protection for the highest reliability, and software write protection for 1/4, 1/2, or full array. The EEPROMs are ideal for use in portable/handheld and battery-powered devices in automotive, medical, consumer electronic, and industrial markets.

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Description Datasheet Availability Pricing (EUR) Filter the results in the table by unit price based on your quantity.
Qty. RoHS ECAD Model Memory Size
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Supply Voltage - Max
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Packaging

Microchip Technology EEPROM 4K 512 X 8 2.5V SERIAL EE EXT
Datasheet
2.407In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 3.000

4 kbit UNI/O Bus 100 kHz 512 x 8 SOT-23-3 2.5 V 5.5 V SMD/SMT 200 Year - 40 C + 125 C 11LC040 Reel, Cut Tape, MouseReel

Microchip Technology EEPROM 4K 512X8 2.5V SERIAL EE IND
Datasheet
3.165In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 3.000

4 kbit UNI/O Bus 100 kHz 512 x 8 SOT-23-3 2.5 V 5.5 V SMD/SMT 200 Year - 40 C + 85 C 11LC040 Reel, Cut Tape, MouseReel

Microchip Technology EEPROM 8K 1024X8 2.5V SERIAL EE IND
Datasheet
1.183In Stock
Min.: 1
Mult.: 1

8 kbit UNI/O Bus 100 kHz 1 k x 8 DIP-8 2.5 V 5.5 V Through Hole 200 Year - 40 C + 85 C 11LC080 Tube

Microchip Technology EEPROM 16K 2048 X 8 2.5V SERIAL EE EXT
Datasheet
405In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 3.000

16 kbit UNI/O Bus 100 kHz 2 k x 8 SOT-23-3 2.5 V 5.5 V SMD/SMT 200 Year - 40 C + 125 C 11LC160 Reel, Cut Tape, MouseReel

Microchip Technology EEPROM 1K 128X8 2.5V SERIAL EE IND
Datasheet
22.604Expected 2/25/2026
MouseReel Available
Min.: 1
Mult.: 1
Reel: 3.000

1 kbit UNI/O Bus 100 kHz 128 x 8 SOT-23-3 2.5 V 5.5 V SMD/SMT 200 Year - 40 C + 85 C 11LC010 Reel, Cut Tape, MouseReel
Microchip Technology EEPROM 1K 128X8 1.8V SERIAL EE IND
Datasheet
Non-Stocked Lead-Time 5 Weeks
Min.: 1
Mult.: 1

1 kbit UNI/O Bus 100 kHz 128 x 8 SOIC-8 1.8 V 5.5 V SMD/SMT 200 Year - 40 C + 85 C 11AA010 Tube
Microchip Technology EEPROM 1K 128 X 8 1.8V SERIAL EE IND
Datasheet
Non-Stocked Lead-Time 6 Weeks
Min.: 3.300
Mult.: 3.300
Reel: 3.300

1 kbit UNI/O Bus 100 kHz 128 x 8 TDFN-8 1.8 V 5.5 V SMD/SMT 200 Year - 40 C + 85 C 11AA010 Reel
Microchip Technology EEPROM 1K 128 X 8 1.8V SERIAL EE IND
Datasheet
Non-Stocked Lead-Time 5 Weeks
Min.: 2.500
Mult.: 2.500
Reel: 2.500

1 kbit UNI/O Bus 100 kHz 128 x 8 MSOP-8 1.8 V 5.5 V SMD/SMT 200 Year - 40 C + 85 C 11AA010 Reel
Microchip Technology EEPROM 1K 128 X 8 1.8V SERIAL EE IND
Datasheet
Non-Stocked Lead-Time 5 Weeks
Min.: 3.300
Mult.: 3.300
Reel: 3.300

1 kbit UNI/O Bus 100 kHz 128 x 8 SOIC-8 1.8 V 5.5 V SMD/SMT 200 Year - 40 C + 85 C 11AA010 Reel
Microchip Technology EEPROM 2K 256 X 8 1.8V SERIAL EE IND
Datasheet
Non-Stocked Lead-Time 5 Weeks
Min.: 1
Mult.: 1

2 kbit UNI/O Bus 100 kHz 256 x 8 MSOP-8 1.8 V 5.5 V SMD/SMT 200 Year - 40 C + 85 C 11AA020 Tube

Microchip Technology EEPROM 2K 256X8 1.8V SERIAL EE IND
Datasheet
Non-Stocked Lead-Time 5 Weeks
Min.: 1
Mult.: 1

2 kbit UNI/O Bus 100 kHz 256 x 8 DIP-8 1.8 V 5.5 V Through Hole 200 Year - 40 C + 85 C 11AA020 Tube
Microchip Technology EEPROM 2K 256 X 8 1.8V SERIAL EE IND
Datasheet
Non-Stocked Lead-Time 6 Weeks
Min.: 3.300
Mult.: 3.300
Reel: 3.300

2 kbit UNI/O Bus 100 kHz 256 x 8 TDFN-8 1.8 V 5.5 V SMD/SMT 200 Year - 40 C + 85 C 11AA020 Reel
Microchip Technology EEPROM 2K 256 X 8 1.8V SERIAL EE IND
Datasheet
Non-Stocked Lead-Time 5 Weeks
Min.: 2.500
Mult.: 2.500
Reel: 2.500

2 kbit UNI/O Bus 100 kHz 256 x 8 MSOP-8 1.8 V 5.5 V SMD/SMT 200 Year - 40 C + 85 C 11AA020 Reel
Microchip Technology EEPROM 2K 256 X 8 1.8V SERIAL EE IND
Datasheet
Non-Stocked Lead-Time 5 Weeks
Min.: 3.300
Mult.: 3.300
Reel: 3.300

2 kbit UNI/O Bus 100 kHz 256 x 8 SOIC-8 1.8 V 5.5 V SMD/SMT 200 Year - 40 C + 85 C 11AA020 Reel
Microchip Technology EEPROM 4K 512 X 8 1.8V SERIAL EE IND
Datasheet
Lead-Time 5 Weeks
Min.: 1
Mult.: 1

4 kbit UNI/O Bus 100 kHz 512 x 8 MSOP-8 1.8 V 5.5 V SMD/SMT 200 Year - 40 C + 85 C 11AA040 Tube

Microchip Technology EEPROM 4K 512X8 1.8V SERIAL EE IND
Datasheet
Non-Stocked Lead-Time 6 Weeks
Min.: 1
Mult.: 1

4 kbit UNI/O Bus 100 kHz 512 x 8 DIP-8 1.8 V 5.5 V Through Hole 200 Year - 40 C + 85 C 11AA040 Tube
Microchip Technology EEPROM 4K 512 X 8 1.8V SERIAL EE IND
Datasheet
Non-Stocked Lead-Time 6 Weeks
Min.: 3.300
Mult.: 3.300
Reel: 3.300

4 kbit UNI/O Bus 100 kHz 512 x 8 TDFN-8 1.8 V 5.5 V SMD/SMT 200 Year - 40 C + 85 C 11AA040 Reel
Microchip Technology EEPROM 4K 512 X 8 1.8V SERIAL EE IND
Datasheet
Non-Stocked Lead-Time 5 Weeks
Min.: 2.500
Mult.: 2.500
Reel: 2.500

4 kbit UNI/O Bus 100 kHz 512 x 8 MSOP-8 1.8 V 5.5 V SMD/SMT 200 Year - 40 C + 85 C 11AA040 Reel
Microchip Technology EEPROM 4K 512 X 8 1.8V SERIAL EE IND
Datasheet
Non-Stocked Lead-Time 5 Weeks
Min.: 3.300
Mult.: 3.300
Reel: 3.300

4 kbit UNI/O Bus 100 kHz 512 x 8 SOIC-8 1.8 V 5.5 V SMD/SMT 200 Year - 40 C + 85 C 11AA040 Reel
Microchip Technology EEPROM 8K 1024 X 8 1.8V SERIAL EE IND
Datasheet
Non-Stocked Lead-Time 8 Weeks
Min.: 1
Mult.: 1

8 kbit UNI/O Bus 100 kHz 1 k x 8 MSOP-8 1.8 V 5.5 V SMD/SMT 200 Year - 40 C + 85 C 11AA080 Tube
Microchip Technology EEPROM 8K 1024X8 1.8V SERIAL EE IND
Datasheet
Non-Stocked Lead-Time 5 Weeks
Min.: 1
Mult.: 1

8 kbit UNI/O Bus 100 kHz 1 k x 8 SOIC-8 1.8 V 5.5 V SMD/SMT 200 Year - 40 C + 85 C 11AA080 Tube
Microchip Technology EEPROM 8K 1024 X 8 1.8V SERIAL EE IND
Datasheet
Non-Stocked Lead-Time 9 Weeks
Min.: 3.300
Mult.: 3.300
Reel: 3.300

8 kbit UNI/O Bus 100 kHz 1 k x 8 TDFN-8 1.8 V 5.5 V SMD/SMT 200 Year - 40 C + 85 C 11AA080 Reel
Microchip Technology EEPROM 8K 1024 X 8 1.8V SERIAL EE IND
Datasheet
Non-Stocked Lead-Time 8 Weeks
Min.: 2.500
Mult.: 2.500
Reel: 2.500

8 kbit UNI/O Bus 100 kHz 1 k x 8 MSOP-8 1.8 V 5.5 V SMD/SMT 200 Year - 40 C + 85 C 11AA080 Reel
Microchip Technology EEPROM 8K 1024 X 8 1.8V SERIAL EE IND
Datasheet
Non-Stocked Lead-Time 5 Weeks
Min.: 3.300
Mult.: 3.300
Reel: 3.300

8 kbit UNI/O Bus 100 kHz 1 k x 8 SOIC-8 1.8 V 5.5 V SMD/SMT 200 Year - 40 C + 85 C 11AA080 Reel
Microchip Technology EEPROM 16K 2048 X 8 1.8V SERIAL EE IND
Datasheet
Non-Stocked Lead-Time 5 Weeks
Min.: 1
Mult.: 1

16 kbit UNI/O Bus 100 kHz 2 k x 8 MSOP-8 1.8 V 5.5 V SMD/SMT 200 Year - 40 C + 85 C 11AA160 Tube