Datasheet > DS5250

DS5250

更新时间： 2024-11-20 03:30:35

品牌	Logo	应用领域
美信 - MAXIM		微控制器
页数	文件大小	规格书
4页	131K
描述
High-Speed Secure Microcontroller

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数据手册

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DS5250 数据手册

A Non-Disclosure Agreement (NDA) is required for full disclosure of details. Contact factory for more information.

DS5250

High-Speed Secure Microcontroller

www.maxim-ic.com

GENERAL DESCRIPTION

Cꢀ Advanced Features

The DS5250 is a highly secure, 4 clocks-per-machine

cycle, 100% 8051-instruction-set-compatible

microprocessor in the Secure Microcontroller family

from Dallas Semiconductor. It was designed to be the

cryptographic engine of PIN pads, financial terminals,

and any other application in which data security is

paramount. A key feature of the device is that it

encrypts its program memory with a hardware-based

single or triple (3) DES (data encryption standard)

algorithm, making it nearly impossible to extract

information. Another DES (3DES) hardware block is

available to the user for encrypting arbitrary information

in data memory space. This makes the device ideal for

storage and transmission of passwords, personal

identification numbers, encryption keys, and other highly

confidential information.

CRC-16/32 Generator

5kB Internal SRAM (Optional 1kB Stack)

Single or 3DES Engine

Partitionable Memory Segments Variable from 4kB to

256kB

Cꢀ High-Speed Architecture

4 Clocks-per-Machine Cycle

DC-to-25MHz Operation

Single-Cycle Instruction in 160ns

Dual Data Pointers can Increment or Decrement

Independently

Automatic Data Pointer Selection Available

Programmable Speed MOVX Instructions

1kB On-Chip Instruction Cache

Cꢀ High-Reliability Operation

Power-Fail/Overvoltage Reset

Early-Warning Power-Fail Interrupt

Watchdog Timer

APPLICATIONS

PIN Pads

Cꢀ Nonvolatile Functions

Financial Terminals

On-Chip Real-Time Clock with Alarm Interrupt

2kB Battery-Backed Internal SRAM

Applications that Require Data Security

Cꢀ Security Features

ORDERING INFORMATION

Designed to Meet the Physical Security Requirements

of FIPS-140 and Common Criteria Certifications

Program Memory Integrity Checking

Executes Single/3DES-Encrypted Programs to

Prevent Observation

MAX

CLOCK

PART

TEMP RANGE

PIN-PACKAGE

SPEED

(MHz)

Separate Program/Data Cryptograph

Two Self-Destruct Inputs

DS5250F-825

DS5250F-125

DS5250F-8N5

DS5250F-1N5

0°C to +70°C

-40°C to +85°C

80 Plastic MQFP

100 Plastic MQFP

80 Plastic MQFP

100 Plastic MQFP

4096-Bit Modulo-Arithmetic Accelerator (MAA) for PKI

Operations

Built-In Sensors Detect Attack and Cause Security

Response

Pin Configurations appear on page 2.

Programmable Attack Countermeasures

Secure Bootstrap Loader

FEATURES

Cꢀ Drop-In Upgrade to the Dallas DS5240

True Random-Number Generator (RNG)

Unique ID Number in Every Device

Cꢀ Feature-Rich, 8051-Compatible, Highly Secure

Microcontroller

Accesses Up to 4MB Program and 4MB Data Memory

(All Nonvolatile)

In-System Programmable through Serial Port

In-Application Programmable through User Software;

Allows Self-Modification of Program/Data Memory

Four 8-Bit Ports/One 6-Bit Port

Three 16-Bit Timer/Counters

256 Bytes of Scratchpad RAM

Note: Some revisions of this device may incorporate deviations from published specifications known as errata. Multiple revisions of any device

may be simultaneously available through various sales channels. For information about DS5250 errata, contact the factory.

1 of 3

REV: 071803

12 3 4

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与DS5250相关器件

型号	品牌	获取价格	描述	数据表
DS5250_04	MAXIM	获取价格	High-Speed Secure Microcontroller
DS5250-DS5250F	DALLAS	获取价格	High-Speed Secure Microcontroller
DS5250F-125	DALLAS	获取价格	High-Speed Secure Microcontroller
DS5250F-125	MAXIM	获取价格	High-Speed Secure Microcontroller
DS5250F-125+	MAXIM	获取价格	Microcontroller, 8-Bit, 25MHz, CMOS, PQFP100, ROHS COMPLIANT, PLASTIC, MQFP-100
DS5250F-1N5	MAXIM	获取价格	High-Speed Secure Microcontroller
DS5250F-1N5	DALLAS	获取价格	High-Speed Secure Microcontroller
DS5250F-1N5+	MAXIM	获取价格	Microcontroller, 8-Bit, 25MHz, CMOS, PQFP100, ROHS COMPLIANT, PLASTIC, MQFP-100
DS5250F-825	DALLAS	获取价格	High-Speed Secure Microcontroller
DS5250F-825	MAXIM	获取价格	High-Speed Secure Microcontroller

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