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ATSHA204-SH-DA-T Datasheet(PDF) 1 Page - ATMEL Corporation

Part # ATSHA204-SH-DA-T
Description  Atmel CryptoAuthentication
Download  65 Pages
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Manufacturer  ATMEL [ATMEL Corporation]
Direct Link  http://www.atmel.com
Logo ATMEL - ATMEL Corporation

ATSHA204-SH-DA-T Datasheet(HTML) 1 Page - ATMEL Corporation

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Atmel ATSHA204
Atmel CryptoAuthentication
DATASHEET
Features
Secure authentication and validation device
Integrated capability for both host and client operations
Superior SHA-256 hash algorithm, HMAC option
Best-in-class, 256-bit key length; storage for up to 16 keys
Guaranteed unique 72-bit serial number
Internal, high-quality Random Number Generator (RNG)
4.5-Kbit EEPROM for keys and data
512 OTP (One Time Programmable) bits for fixed information
Multiple I/O options
High-speed, single-wire interface
1MHz I2C interface
2.0V – 5.5V supply voltage range
1.8V – 5.5V communications
<150nA sleep current
Extended, multi-level hardware security
8-lead SOIC, 8-lead TSSOP, 3-lead SOT23, 8-pad UDFN, and
3-lead Contact packages
Applications
Anti-clone protection for accessories, daughter cards, and consumables
Secure boot validation, software anti-piracy
Network and computer access control
Key exchange for encrypted downloads
Authenticated/encrypted communications for control networks
Figure 1.
Pin Configurations
Pin Name
Function
SDA
Serial Data
SCL
Serial Clock Input
GND
Ground
VCC
Power Supply
8740D
−CRYPTO−3/12
V
CC
NC
SCL
SDA
NC
NC
NC
GND
4
3
2
1
5
6
7
8
8-lead UDFN
Bottom View
NC
NC
NC
GND
1
2
3
4
8
7
6
5
8-lead SOIC
V
CC
NC
SCL
SDA
8-lead TSSOP
1
2
3
4
8
7
6
5
NC
NC
NC
GND
V
CC
NC
SCL
SDA
3
2
1
GND
V
CC
SDA
3-lead SOT23
3-lead Contact
1
2
3
SDA
GND
V
CC


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