AT24CSWx Serial EEPROMs

Microchip Technology AT24CSWx Serial EEPROMs are designed to be I2C compatible (two-wire) with a security register and software write protection. These EEPROMs feature bidirectional data transfer protocol and filtered inputs for noise suppression. The AT24CSWx EEPROMs operate at a 1.7V to 3.6V voltage range, 1mA ultra-low active current, 0.8µA standby current, and -40°C to 85°C temperature range. The AT24CSW01X / AT24CSW02X EEPROMs provide 8-Byte page write mode and AT24CSW04X / AT24CSW08X EEPROMs offer 16-Byte page write mode with partial page writing. These EEPROMs are available in 5-lead SOT23 and 4-ball ultra-thin WLCSP packages.

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Description Datasheet Availability Pricing (USD) Filter the results in the table by unit price based on your quantity.
Qty. RoHS ECAD Model Memory Size
Interface Type
Maximum Clock Frequency
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Package/Case
Access Time
Supply Voltage - Min
Supply Voltage - Max
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Minimum Operating Temperature
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Microchip Technology EEPROM 4K, 1.7-3.6V, 1MHz, Ind Tmp, 5-SOT23
Datasheet
16,037In Stock
Min.: 1
Mult.: 1
Reel: 5,000

4 kbit 2-Wire, I2C 1 MHz 512 x 8 TSOT-23-5 450 ns 1.7 V 3.6 V SMD/SMT 100 Year - 40 C + 85 C Reel, Cut Tape
Microchip Technology EEPROM 2K, 1.7-3.6V, 1MHz, Ind Tmp, 5-SOT23
Datasheet
6,433In Stock
Min.: 1
Mult.: 1
Reel: 5,000

2 kbit 2-Wire, I2C 1 MHz 256 x 8 TSOT-23-5 450 ns 1.7 V 3.6 V SMD/SMT 100 Year - 40 C + 85 C Reel, Cut Tape
Microchip Technology EEPROM 1K, 1.7-3.6V, 1MHz, Ind Temp, 5-SOT23
Datasheet
3,605In Stock
Min.: 1
Mult.: 1
Reel: 5,000

1 kbit 2-Wire, I2C 1 MHz 128 x 8 TSOT-23-5 450 ns 1.7 V 3.6 V SMD/SMT 100 Year - 40 C + 85 C Reel, Cut Tape
Microchip Technology EEPROM 8K, 1.7-3.6V, 1MHz, Ind Tmp, 5-SOT23
Datasheet
2,150In Stock
5,000Expected 16/03/2026
MouseReel Available
Min.: 1
Mult.: 1
Reel: 5,000

8 kbit 2-Wire, I2C 1 MHz 1 k x 8 TSOT-23-5 450 ns 1.7 V 3.6 V SMD/SMT 100 Year - 40 C + 85 C Reel, Cut Tape, MouseReel