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AT88SC25616C-Y4U Datasheet

  • AT88SC25616C-Y4U

  • CryptoMemory 256 Kbit

  • 14頁

  • ATMEL   ATMEL

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Features
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One of a Family of Devices with User Memories from 1-Kbit to 1-Mbit
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256-Kbit (32-Kbyte) EEPROM User Memory
鈥?Sixteen 2-Kbyte (16-Kbit) Zones
鈥?Self-timed Write Cycle (5 ms)
鈥?Single Byte or 128-byte Page Write Mode
鈥?Programmable Access Rights for Each Zone
2-Kbit Configuration Zone
鈥?37-byte OTP Area for User-defined Codes
鈥?160-byte Area for User-defined Keys and Passwords
High Security Features
鈥?64-bit Patented Dynamic Symetric Mutual Authentication Protocol (under
exclusive patent license from ELVA)
鈥?Encrypted Checksum
鈥?Stream Encryption
鈥?Four Key Sets for Authentication and Encryption
鈥?Eight Sets of Two 24-bit Passwords
鈥?Anti-tearing Function
鈥?Voltage and Frequency Monitor
Smart Card Features
鈥?ISO 7816 Class A (5V) or Class B (3V) Operation
鈥?ISO 7816-3 Asynchronous T = 0 Protocol (Gemplus Patent)
鈥?Supports Protocol and Parameters Selection for Faster Operation
鈥?Multiple Zones, Key Sets and Passwords for Multi-application Use
鈥?Synchronous 2-wire Serial Interface for Faster Device Initialization
鈥?Programmable 8-byte Answer-To-Reset Register
鈥?ISO 7816-2 Compliant Modules
Embedded Application Features
鈥?Low Voltage Operation: 2.7V to 5.5V
鈥?Secure Nonvolatile Storage for Sensitive System or User Information
鈥?2-wire Serial Interface
鈥?1.5 MHz Compatibility for Fast Operation
鈥?Standard 8-lead Plastic Packages
鈥?Same Pinout as 2-wire Serial EEPROMs
High Reliability
鈥?Endurance: 100,000 Cycles
鈥?Data Retention: 10 years
鈥?ESD Protection: 4,000V min
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CryptoMemory
廬
256 Kbit
AT88SC25616C
Summary
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Table 1.
Pin Configuration
Pad
VCC
GND
SCL/CLK
SDA/IO
RST
Description
Supply Voltage
Ground
Serial Clock Input
Serial Data Input/Output
Reset Input
ISO Module Contact
C1
C5
C3
C7
C2
Standard Package Pin
8
4
6
5
NC
Smart Card Module
VCC=C1
RST=C2
SCL/CLK=C3
NC=C4
C5=GND
C6=NC
C7=SDA/IO
C8=NC
8-lead SOIC, PDIP
NC
NC
NC
GND
8-lead SAP
VCC
NC
SCL
SDA
VCC
NC
SCL
SDA
1
2
3
4
8
7
6
5
8
7
6
5
1
2
3
4
NC
NC
NC
GND
Rev. 5017DS鈥揝MEM鈥?/04
Bottom view
Note: This is a summary document. A complete document is
available under NDA. For more information, please contact your
1
local Atmel sales office.

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