Datasheet > DS28E15Q+T

DS28E15Q+T

更新时间： 2024-11-23 12:44:55

品牌	Logo	应用领域
美信 - MAXIM		可编程只读存储器电动程控只读存储器电可擦编程只读存储器
页数	文件大小	规格书
6页	780K
描述
1-Wire SHA-256 Secure Authenticator with 512-Bit User EEPROM

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DS28E15Q+T 技术参数

是否Rohs认证：	符合	生命周期：	Active
包装说明：	HVSON,	Reach Compliance Code：	compliant
ECCN代码：	EAR99	HTS代码：	8542.32.00.51
Factory Lead Time：	6 weeks	风险等级：	1.76
JESD-30 代码：	S-PDSO-N6	长度：	3 mm
内存密度：	512 bit	内存集成电路类型：	EEPROM
内存宽度：	1	湿度敏感等级：	1
功能数量：	1	端子数量：	6
字数：	512 words	字数代码：	512
工作模式：	ASYNCHRONOUS	最高工作温度：	85 °C
最低工作温度：	-40 °C	组织：	512X1
封装主体材料：	PLASTIC/EPOXY	封装代码：	HVSON
封装形状：	SQUARE	封装形式：	SMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE
并行/串行：	SERIAL	峰值回流温度（摄氏度）：	NOT SPECIFIED
座面最大高度：	0.8 mm	串行总线类型：	1-WIRE
最大供电电压 (Vsup)：	3.63 V	最小供电电压 (Vsup)：	2.97 V
标称供电电压 (Vsup)：	3.3 V	表面贴装：	YES
技术：	CMOS	温度等级：	INDUSTRIAL
端子形式：	NO LEAD	端子节距：	0.95 mm
端子位置：	DUAL	处于峰值回流温度下的最长时间：	NOT SPECIFIED
宽度：	3 mm	Base Number Matches：	1

DS28E15Q+T 数据手册

ABRIDGED DATA SHEET

219-0018; Rev 0; 6/12

DS28E15

1-Wire SHA-256 Secure Authenticator

with 512-Bit User EEPROM

General Description

Features

The DS28E15 combines crypto-strong bidirectional

secure challenge-and-response authentication func-

tionality with an implementation based on the FIPS

180-3-specified Secure Hash Algorithm (SHA-256). A

512-bit user-programmable EEPROM array provides

nonvolatile storage of application data. Additional pro-

tected memory holds a read-protected secret for SHA-

256 operations and settings for memory protection

control. Each device has its own guaranteed unique

64-bit ROM identification number (ROM ID) that is fac-

tory programmed into the chip. This unique ROM ID is

used as a fundamental input parameter for cryptographic

operations and also serves as an electronic serial num-

ber within the application. A bidirectional security model

enables two-way authentication between a host system

and slave-embedded DS28E15. Slave-to-host authenti-

cation is used by a host system to securely validate that

an attached or embedded DS28E15 is authentic. Host-

to-slave authentication is used to protect DS28E15 user

memory from being modified by a nonauthentic host. The

S Symmetric-Key-Based Bidirectional Secure

Authentication Model Based on SHA-256

S Strong Authentication with a High-Bit-Count User-

Programmable Secret and Input Challenge

S 512 Bits of User EEPROM Partitioned Into Two

Pages of 256 Bits

S User-Programmable and Irreversible EEPROM

Protection Modes Including Authentication, Write

and Read Protect, and OTP/EPROM Emulation

S Unique Factory-Programmed, 64-Bit Identification

Number

S Single-Contact 1-Wire Interface

S Operating Range: 3.3V 1ꢀ0, -4ꢀꢁC to ꢂ+5ꢁC

+8V HBM ESꢃ Protection ꢄtypꢅ

S 2-Pin SFN, 6-Pin TꢃFN-EP, and 6-Pin TSOC

Pac8ages

Applications

DS28E15 communicates over the single-contact 1-Wire

Authentication of Consumables

Secure Feature Control

bus at overdrive speed. The communication follows the

1-Wire protocol with the ROM ID acting as node address

in the case of a multidevice 1-Wire network.

Ordering Information appears at end of data sheet.

Typical Application Circuit

R = 1.1kΩ

MAXIMUM I C BUS CAPACITANCE 320pF

3.3V

SDA

SCL

(I C PORT)

DS2465

µC

1-Wire LINE

SLPZ

DS28E15

1-Wire is a registered trademark of Maxim Integrated Products, Inc.

For related parts and recommended products to use with this part, refer to: www.maxim-ic.com/DS28E15.related

For pricing, delivery, and ordering information, please contact Maxim Direct

at 1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com.

12 3 4 5 6

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与DS28E15Q+T相关器件

型号	品牌	获取价格	描述	数据表
DS28E16	MAXIM	获取价格	1-Wire Secure SHA-3 Authenticator
DS28E16	ADI	获取价格	1-Wire SHA-3安全认证器
DS28E16G+T	MAXIM	获取价格	Analog Circuit,
DS28E16G+U	MAXIM	获取价格	Analog Circuit,
DS28E16GA+T	MAXIM	获取价格	Analog Circuit,
DS28E16GA+U	MAXIM	获取价格	Analog Circuit,
DS28E16Q	MAXIM	获取价格	1-Wire Secure SHA-3 Authenticator
DS28E16Q+T	MAXIM	获取价格	Analog Circuit,
DS28E16QT	MAXIM	获取价格	1-Wire Secure SHA-3 Authenticator
DS28E16X-S	MAXIM	获取价格	1-Wire Secure SHA-3 Authenticator

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