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DS2251T64-16 PDF预览

DS2251T64-16

更新时间: 2024-10-29 21:01:27
品牌 Logo 应用领域
美信 - MAXIM 时钟微控制器外围集成电路
页数 文件大小 规格书
22页 599K
描述
Microcontroller, 8-Bit, 8051 CPU, 16MHz, CMOS, SIMM-72

DS2251T64-16 技术参数

是否无铅: 含铅是否Rohs认证: 不符合
生命周期:Obsolete零件包装代码:SIMM
包装说明:SIMM, SSIM72针数:72
Reach Compliance Code:not_compliantHTS代码:8542.31.00.01
风险等级:5.31具有ADC:NO
地址总线宽度:16位大小:8
CPU系列:8051最大时钟频率:16 MHz
DAC 通道:NODMA 通道:NO
外部数据总线宽度:8JESD-30 代码:R-XSMA-N72
JESD-609代码:e0I/O 线路数量:32
端子数量:72最高工作温度:70 °C
最低工作温度:PWM 通道:NO
封装主体材料:UNSPECIFIED封装代码:SIMM
封装等效代码:SSIM72封装形状:RECTANGULAR
封装形式:MICROELECTRONIC ASSEMBLY峰值回流温度(摄氏度):240
电源:5 V认证状态:Not Qualified
RAM(字节):65536ROM(单词):0
ROM可编程性:N/A速度:16 MHz
子类别:Microcontrollers最大压摆率:45 mA
最大供电电压:5.5 V最小供电电压:4.5 V
标称供电电压:5 V表面贴装:NO
技术:CMOS温度等级:COMMERCIAL
端子面层:TIN LEAD端子形式:NO LEAD
端子节距:1.27 mm端子位置:SINGLE
处于峰值回流温度下的最长时间:NOT SPECIFIEDuPs/uCs/外围集成电路类型:MICROCONTROLLER
Base Number Matches:1

DS2251T64-16 数据手册

 浏览型号DS2251T64-16的Datasheet PDF文件第2页浏览型号DS2251T64-16的Datasheet PDF文件第3页浏览型号DS2251T64-16的Datasheet PDF文件第4页浏览型号DS2251T64-16的Datasheet PDF文件第5页浏览型号DS2251T64-16的Datasheet PDF文件第6页浏览型号DS2251T64-16的Datasheet PDF文件第7页 
DS2251T  
128k Soft Microcontroller Module  
www.maxim-ic.com  
FEATURES  
PIN CONFIGURATION  
8051-Compatible Microcontroller Adapts  
to Its Task  
32, 64, or 128kbytes of Nonvolatile SRAM  
for Program and/or Data Storage  
In-System Programming via On-Chip Serial  
Port  
Capable of Modifying its Own Program or  
Data Memory in the End System  
Provides Separate Byte-Wide Bus for  
Peripherals  
Performs CRC-16 Check of NV RAM  
Memory  
High-Reliability Operation  
Maintains All Nonvolatile Resources Up to  
10 Years in the Absence of VCC at Room  
Temperature  
Power-Fail Reset  
Early Warning Power-fail Interrupt  
Watchdog Timer  
Lithium Backed Memory Remembers System  
State  
Precision Reference for Power Monitor  
Fully 8051-Compatible  
128 Bytes Scratchpad RAM  
Two Timer/Counters  
On-Chip Serial Port  
32 Parallel I/O Port Pins  
Permanently Powered Real-Time Clock  
72-Pin SIMM  
DESCRIPTION  
The DS2251T 128k soft microcontroller module is an 8051-compatible microcontroller module based on  
nonvolatile RAM technology. It is designed for systems that need large quantities of nonvolatile memory.  
Like other members of the secure microcontroller family, it provides full compatibility with the 8051  
instruction set, timers, serial port, and parallel I/O ports. By using NV RAM instead of ROM, the user can  
program, then reprogram the microcontroller while in-system. The application software can even change  
its own operation. This allows frequent software upgrades, adaptive programs, customized systems, etc.  
In addition, by using NV RAM, the DS2251T is ideal for data logging applications. The powerful real-  
time clock includes interrupts for time stamp and date. It keeps time to one-hundredth of seconds using its  
on-board 32kHz crystal.  
1 of 22  
REV: 061306  

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