1-Wire—Industry's Most Efficient Solution for Accessory/Peripheral Identification and Control

1-Wire memory and I/O solutions identify and control accessories/peripherals through a single contact. Typical applications include battery-pack and power-adapter identification, LED control, TEDS sensor identification/control, and consumable identification/control.

1-Wire Devices Commonly Used for Accessory and Sensor Applications
Part	Memory Type	Memory Size (Bits)	Additional Features	Packages
DS2431	EEPROM	1k	Write protection, OTP modes	6-TSOC, TO-92, SFN
DS28E01-100	EEPROM	1k	SHA-1 authentication	6-TSOC, SFN
DS28EC20	EEPROM	20k	Write protection, OTP modes	6-TSOC, TO-92
DS2433	EEPROM	4k	—	8-SO, PR35, flip chip
DS250x	EPROM	1k, 16k	Write protection	6-TSOC, TO-92, CSP, 3-SOT23, 8-SO
DS2413	ROM only	64	Dual 20V/20mA GPIO	6-TSOC
DS2401	ROM only	64	—	6-TSOC, SOT23, TO-92, flip chip
DS2411	ROM only	64	—	6-TSOC, SOT23, TO-92, flip chip