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Maxim
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安全系统
用户认证
Dallas的SHA iButton可用于多种系统:eCash支付、售货机、收费系统、用户认证等。
数据资料
显示
标题/型号
关键优势
QV
PDF
1024位EEPROM
i
Button
DS1972
EPROM仿真模式,用于保护数据不被意外擦除
QV
PDF
单芯片、256k位非易失SRAM
DS2030AB, DS2030Y
QV
PDF
密码保护的32K字节EEPROM
i
Button
DS1977
QV
PDF
i
Button塑料卡安装件
DS9093RA, DS9093RB
QV
带有SHA-1引擎的1k位EEPROM
i
Button
DS1961S
具有世界级安全性的、不锈钢封装,用于访问控制和电子货币应用
QV
SHA
i
Button
DS1963S
Key Specifications:
i
Button Mounting Options
Part Number
Overview
Features
DS9093RA
Lock Ring Washer
F5 Package Compatible
Metal
Metal Part
Plastic Card Mounts
DS9093RB
Flange Enlargement Washer
F5 Package Compatible
Metal Part
Plastic Card Mounts
Stainless
See All
i
Button Mounting Options (29)
Key Specifications:
i
Button Products
Part Number
Overview
Memory Type
Memory Size
Security Features
UniqueWare
Real-Time Clock
Features
DS1972
iButton Memory
EEPROM
1K bits
-
No
No
EPROM Emulation Mode
DS1961S
Secure iButton
EEPROM
1K bits
SHA-1
Write-Only Secrets
No
No
Monetary Ecash
DS1977
iButton Memory
EEPROM
32K Bytes
Password Protected
No
No
-
DS1963S
Secure iButton
NV SRAM
4Kbits
SHA-1
Secure Coprocessor
Write Cycle Counters
Write-Only Secrets
No
No
Monetary Ecash
See All
i
Button Products (25)
Key Specifications: Memory (EPROM, EEPROM, ROM, NV SRAM)
Part Number
Memory Type
Memory Size
Bus Type
Real-Time Clock
DIP with Internal Battery
PowerCap Package
Battery Monitor
With GPIO
Single Piece Module
Features
Supply Voltage (min) (V)
Supply Voltage (max) (V)
DS2030AB
NV SRAM
32K x 8
Parallel
No
No
No
No
No
Yes
µP Reset
4.75
5.25
DS2030Y
NV SRAM
32K x 8
Parallel
No
No
No
No
No
Yes
µP Reset
4.5
5.5
See All Memory (EPROM, EEPROM, ROM, NV SRAM) (69)
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