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M41T256YMT7F PDF预览

M41T256YMT7F

更新时间: 2024-11-23 04:42:47
品牌 Logo 应用领域
意法半导体 - STMICROELECTRONICS 计时器或实时时钟微控制器和处理器外围集成电路光电二极管
页数 文件大小 规格书
27页 524K
描述
256 Kbit 32K x8 SERIAL RTC

M41T256YMT7F 技术参数

是否Rohs认证: 符合生命周期:Obsolete
零件包装代码:SOIC包装说明:0.330 INCH, LEAD FREE, PLASTIC, SOIC-44
针数:44Reach Compliance Code:compliant
ECCN代码:EAR99HTS代码:8542.39.00.01
风险等级:5.82Is Samacsys:N
最大时钟频率:0.032 MHz信息访问方法:I2C
中断能力:NJESD-30 代码:R-PDSO-G44
JESD-609代码:e3/e4长度:18.1 mm
端子数量:44最高工作温度:70 °C
最低工作温度:-25 °C封装主体材料:PLASTIC/EPOXY
封装代码:SSOP封装等效代码:SOP44,.5,32
封装形状:RECTANGULAR封装形式:SMALL OUTLINE, SHRINK PITCH
峰值回流温度(摄氏度):NOT SPECIFIED电源:5 V
认证状态:Not Qualified座面最大高度:3.05 mm
子类别:Timer or RTC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:YES技术:CMOS
温度等级:OTHER端子面层:TIN/NICKEL PALLADIUM GOLD
端子形式:GULL WING端子节距:0.81 mm
端子位置:DUAL最短时间:1/100 SECOND
处于峰值回流温度下的最长时间:NOT SPECIFIED易失性:NO
宽度:8.56 mmuPs/uCs/外围集成电路类型:TIMER, REAL TIME CLOCK
Base Number Matches:1

M41T256YMT7F 数据手册

 浏览型号M41T256YMT7F的Datasheet PDF文件第2页浏览型号M41T256YMT7F的Datasheet PDF文件第3页浏览型号M41T256YMT7F的Datasheet PDF文件第4页浏览型号M41T256YMT7F的Datasheet PDF文件第5页浏览型号M41T256YMT7F的Datasheet PDF文件第6页浏览型号M41T256YMT7F的Datasheet PDF文件第7页 
M41T256Y  
256 Kbit (32K x8) Serial RTC  
FEATURES SUMMARY  
5V OPERATING VOLTAGE  
Figure 1. 44-pin, Hatless SOIC Package  
SERIAL INTERFACE SUPPORTS  
EXTENDED I2C BUS ADDRESSING  
(400kHz)  
AUTOMATIC SWITCH-OVER AND  
DESELECT CIRCUITRY  
POWER-FAIL DESELECT VOLTAGES:  
44  
1
M41T256Y: VCC = 4.5 to 5.5V;  
PFD = 4.2 < VPFD < 4.5V  
V
SO44 (MT)  
COUNTERS FOR TENTHS/HUNDREDTHS  
OF SECONDS, SECONDS, MINUTES,  
HOURS, DAY, DATE, MONTH, and YEAR  
PROGRAMMABLE SOFTWARE CLOCK  
CALIBRATION  
32,752 BYTES OF GENERAL PURPOSE  
RAM  
Figure 2. 44-pin SOIC Package  
MICROPROCESSOR POWER-ON RESET  
SNAPHAT (SH)  
Crystal/Battery  
HOLDS MICROPROCESSOR IN RESET  
UNTIL SUPPLY VOLTAGE REACHES  
STABLE OPERATING LEVEL  
AUTOMATIC ADDRESS-INCREMENTING  
TAMPER INDICATION CIRCUIT WITH TIME-  
STAMP  
SLEEP MODE FUNCTION  
44  
PACKAGING INCLUDES A 44-LEAD SOIC  
AND SNAPHAT® TOP (to be ordered  
separately)  
1
SOH44 (MH)  
SOIC PACKAGE PROVIDES DIRECT  
CONNECTION FOR A SNAPHAT® TOP  
WHICH CONTAINS THE BATTERY AND  
CRYSTAL  
June 2004  
1/27  

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