安全系统 - 型号列表



		概述
		推荐元件
		应用笔记
		新品发布

Maxim > 方案 > 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 iButton
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 iButton
DS1977

QV PDF

iButton塑料卡安装件
DS9093RA, DS9093RB

带有SHA-1引擎的1k位EEPROM iButton
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

SHA iButton
DS1963S

Key Specifications: iButton Mounting Options

Part Number

Overview

Features

Color

DS9093RA

Lock Ring Washer

•	F5 Package Compatible

•	Metal Part

•	Plastic Card Mounts

Metal

DS9093RB

Flange Enlargement Washer

•	F5 Package Compatible

•	Metal Part

•	Plastic Card Mounts

Stainless

See All iButton Mounting Options (29)

Key Specifications: iButton Products

Part Number

Overview

Memory Type

Memory Size

Security Features

UniqueWare

Real-Time Clock

Features

DS1972

iButton Memory

EEPROM

1K bits

•	EPROM Emulation Mode

DS1961S

Secure iButton

EEPROM

1K bits

SHA-1
Write-Only Secrets

•	Monetary Ecash

DS1977

iButton Memory

EEPROM

32K Bytes

Password Protected

DS1963S

Secure iButton

NV SRAM

4Kbits

SHA-1
Secure Coprocessor
Write Cycle Counters
Write-Only Secrets

•	Monetary Ecash

See All iButton Products (26)