Overview







Data Storage



DATA SHEETS
Part Number Description Key Advantages
DS28E02 1-Wire SHA-1 Authenticated 1Kb EEPROM with 1.8V Operation

Provides Low-Cost, Secure Bidirectional Authentication Over a Single Contact for Low-Power Applications
DS28EC20 20Kb 1-Wire EEPROM

20Kb Serial EEPROM Operates from Single-Contact 1-Wire Interface
DS28E01-100 1Kb Protected 1-Wire EEPROM with SHA-1 Engine

Provides Low-Cost, World-Class Secure Authentication of Peripherals and Systems
DS2431 1024-Bit 1-Wire EEPROM

1Kb Serial EEPROM Operates from Single-Contact 1-Wire Interface
DS2502 1Kb Add-Only Memory




Key Specifications:

Memory (EPROM, EEPROM, ROM, NV SRAM)
Part Number Memory Type Memory Size Bus Type Real Time Clock DIP w/Int. Batt. Pwr. Cap Pckg. Battery Monitor GPIO VSUPPLY
(V)
VSUPPLY
(V)
min max
DS28E02  EEPROM 1K x 1 1-Wire No No No No No 1.75 3.65
DS28EC20  EEPROM 20K x 1 - -
DS28E01-100  EEPROM 1K x 1 2.8 5.25
DS2431  EEPROM 1K x 1 2.8 5.25
DS2502  EPROM 1K x 1 2.8 6
See All Memory (EPROM, EEPROM, ROM, NV SRAM) (58)





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