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參數(shù)資料
| 型號： | DS28CN01 |
| 廠商： | Maxim Integrated Products, Inc. |
| 元件分類： | DRAM |
| 英文描述： | 1Kbit IC/SMBus EEPROM with SHA-1 Engine |
| 中文描述： | 帶有SHA-1引擎的1K位、I²C/SMBus EEPROM |
| 文件頁數(shù)： | 1/9頁 |
| 文件大小： | 146K |
| 代理商： | DS28CN01 |
1 of 9
REV: 061907
GENERAL DESCRIPTION
The DS28CN01 combines 1024 bits of EEPROM
with challenge-and-response authentication security
implemented
with
the
Publications (FIPS) 180-1/180-2 and ISO/IEC 10118-
3 Secure Hash Algorithm (SHA-1). The memory is
organized as four pages of 32 bytes each. Data
copy-protection and EPROM emulation features are
supported for each memory page. Each DS28CN01
has a guaranteed unique factory-programmed 64-bit
registration
number.
Communication
DS28CN01 is accomplished through an industry
standard I2C- and SMBus-compatible interface.
The SMBus timeout feature resets the device’s
interface if a bus-timeout fault condition is detected.
APPLICATIONS
Printed Circuit Board (PCB) Unique Serialization
Accessory and Peripheral Identification
Equipment Registration and License Management
Network Node Identification
Printer Cartridge Configuration and Monitoring
Medical Sensor Authentication and Calibration
System Intellectual Property Protection
TYPICAL OPERATING CIRCUIT
Federal
Information
with
the
V
CC
SDA
SCL
μC
GND
R
P
R
P
V
CC
To additional
devices
V
CC
DS28CN01
SDA
SCL
AD1
AD0 GND
Registers, Modes, and Commands are capitalized for
clarity.
SMBus is a trademark of Intel Corp.
FEATURES
1024 Bits of EEPROM Memory Partitioned
Into Four Pages of 256 Bits
Dedicated Hardware-Accelerated SHA Engine
for Generating SHA-1 MACs
EEPROM Memory Pages can be Individually
Copy-Protected or Put Into an EPROM Mode
(Program from 1 to 0 Only)
Write Access Requires Knowledge of the
Secret and the Capability of Computing and
Transmitting a 160-Bit MAC as Authorization
Unique, Factory-Programmed, and Tested
64-Bit Registration Number Assures Absolute
Traceability Because No Two Parts are Alike
Endurance 200k Cycles at +25°C
Serial Interface User Programmable for I2C
Bus and SMBus Compatibility
Supports 100kHz and 400kHz I2C
Communication Speeds
5.5V Tolerant Interface Pins
Operating Range: 1.62V to 5.5V,
-40°C to +85°C
8-Pin μSOP Package
ORDERING INFORMATION
PART
TEMP RANGE
DS28CN01U+
-40°C to +85
°
C
PIN-PACKAGE
8 μSOP
8 μSOP
Tape-and-Reel
DS28CN01U+T
-40°C to +85
°
C
+ Denotes a lead-free package.
Request full data sheet at:
www.maxim-ic.com/fullds/DS28CN01
PIN CONFIGURATION
1
2
3
4
8
7
6
5
AD0
AD1
NC
GND
V
CC
NC
SCL
SDA
μSOP
DS28CN01
1Kbit I2C/SMBus EEPROM
with SHA-1 Engine
www.maxim-ic.com
Abridged Data Sheet
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| DS28CN01_09 | 制造商:MAXIM 制造商全稱:Maxim Integrated Products 功能描述:1Kb I2C/SMBus EEPROM with SHA-1 Engine |
| DS28CN01_0911 | 制造商:MAXIM 制造商全稱:Maxim Integrated Products 功能描述:1Kb I2C/SMBus EEPROM with SHA-1 Engine |
| DS28CN01EVKIT | 制造商:Maxim Integrated Products 功能描述:DS28CN01 EVAL BOARD KIT - Rail/Tube |
| DS28CN01U+ | 制造商:MAXIM 制造商全稱:Maxim Integrated Products 功能描述:1Kbit IC/SMBus EEPROM with SHA-1 Engine |
| DS28CN01U+T | 制造商:MAXIM 制造商全稱:Maxim Integrated Products 功能描述:1Kbit IC/SMBus EEPROM with SHA-1 Engine |
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