深圳市中立信电子科技有限公司

DS28E15P+T

电可擦除可编程只读存储器 1-W 512B W/SHA-256 TSOC T&R

DeepCover Secure Authenticator with  1-Wire SHA-256 and 512-Bit User EEPROM

Benefits and Features DS28E15P+T

● 512-Bit EEPROM with SHA-256 Authentication for

Reads and Writes

• Symmetric-Key-Based Bidirectional Secure

Authentication Model Based on SHA-256

• Strong Authentication with a High-Bit-Count User

Programmable Secret and Input Challenge

• 512 Bits of User EEPROM Partitioned Into Two

Pages of 256 Bits

• User-Programmable and Irreversible EEPROM

Protection Modes Including Authentication, Write

and Read Protect, and OTP/EPROM Emulation

• Unique Factory-Programmed, 64-Bit Identification

Number

● Minimalist 1-Wire Interface Lowers Cost and

Interface Complexity

• Reduces Control, Address, Data, Power, and

Programming Signals to a Single Data Pin

• ±8kV HBM ESD Protection (typ)

• 2-Pin SFN, 6-Pin TDFN-EP, and 6-Pin TSOC

Packages

• Operating Range: 3.3V ±10%, -40°C to +85°C

Applications DS28E15P+T

Authentication of Consumables

Secure Feature Control

General Description DS28E15P+T

DeepCover™ embedded security solutions cloak sensitive data under multiple layers of advanced physical security to provide the most secure key storage possible. The DeepCover Secure Authenticator (DS28E15) combines crypto-strong bidirectional secure challenge-andresponse authentication functionality with an implementation based on the FIPS 180-3-specified Secure Hash Algorithm (SHA-256).