Siricinco Semiconductor

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Product Description

Product Introduction

SK28E22 security certified chip

The chip integrates FIPS 180-3 standard SHA-256 bidirectional certification, built-in 2Kb EEPROM and independent key area, factory-pre-burned the world's only 64-bit ROM ID, supports 1-Wire high-speed communication, and can achieve bidirectional anti-counterfeiting and data tamper-proof.

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Product Characteristics

·A symmetric encryption two-way security authentication model based on SHA-256 ·Dedicated hardware SHA acceleration engine generates SHA-256 MAC ·2048-bit user EEPROM memory ·Low quiescent current 23μA / 5μA (typical) Low standby power consumption ·Unique factory programming 64-bit identification code ·Communication speed up to 76.9 kbit/s
Encapsulation Type

· TDFN6 · TSOC6
Typical Application

·Microcontroller bus power supply ·Industrial automation ·Telecommunications infrastructure ·Power over Ethernet ·LED lighting

Part No.	Voltage	ESD	Standby Current	Operating Current	Crypto	EEPROM	Communication Interface	Data Rate	Retention	Endurance	Operating Temperature	Package
SK28E22D	3.3V ±10%	±8kV	5µA	1mA	SHA-256	2048bits	1-Wire	76.9 kbps	10 Years	100K Cycles	-40°C to +85°C	TDFN-6
SK28E22S	3.3V ±10%	±8kV	5µA	1mA	SHA-256	2048bits	1-Wire	76.9 kbps	10 Years	100K Cycles	-40°C to +85°C	TSOC-6