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M41T82SQA6E PDF预览

M41T82SQA6E

更新时间: 2024-09-23 05:46:51
品牌 Logo 应用领域
意法半导体 - STMICROELECTRONICS 计时器或实时时钟电池微控制器和处理器外围集成电路
页数 文件大小 规格书
61页 985K
描述
Serial I2C bus RTC with battery switchover

M41T82SQA6E 技术参数

是否Rohs认证:符合生命周期:Obsolete
零件包装代码:QFN包装说明:4 X 4 MM, ROHS COMPLIANT, QFN-16
针数:16Reach Compliance Code:compliant
ECCN代码:EAR99HTS代码:8542.39.00.01
风险等级:5.69Is Samacsys:N
最大时钟频率:0.4 MHz外部数据总线宽度:1
信息访问方法:I2CJESD-30 代码:S-XQCC-N16
长度:4 mm位数:8
端子数量:16计时器数量:1
最高工作温度:85 °C最低工作温度:-40 °C
封装主体材料:UNSPECIFIED封装代码:HVQCCN
封装形状:SQUARE封装形式:CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE
峰值回流温度(摄氏度):260认证状态:Not Qualified
座面最大高度:1 mm最大供电电压:5.5 V
最小供电电压: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:0.65 mm
端子位置:QUAD处于峰值回流温度下的最长时间:30
宽度:4 mmuPs/uCs/外围集成电路类型:TIMER, REAL TIME CLOCK
Base Number Matches:1

M41T82SQA6E 数据手册

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M41T82  
M41T83  
Serial I2C bus RTC with battery switchover  
Features  
Ultra-low battery supply current of 365 nA  
Factory calibrated accuracy 5 ppm  
guaranteed after 2 reflows (SOX18)  
– Much better accuracies achievable using  
built-in programmable analog and digital  
calibration circuits  
QFN16, 4 mm x 4 mm (QA)  
(VFQFPN16)  
2.0 V to 5.5 V clock operating voltage  
18  
Counters for tenths/hundredths of seconds,  
seconds, minutes, hours, day, date, month,  
year, and century  
1
Automatic switchover and reset output circuitry  
SOX18 (18-pin, 300 mil SOIC  
with embedded crystal) (MY)  
(fixed reference)  
– M41T83S  
V
= 3.00 V to 5.50 V  
CC  
(2.85 V V  
3.00 V)  
RST  
– M41T83R  
V
= 2.70 V to 5.50 V  
CC  
SO8 (M)  
(2.55 V V  
2.70 V)  
RST  
– M41T83Z  
V
= 2.38 V to 5.50 V  
CC  
(2.25 V V  
2.38 V)  
Oscillator stop detection  
RST  
2
Serial interface supports I C bus (400 kHz  
Battery or SuperCap™ backup  
protocol)  
Operating temperature of –40 °C to 85 °C  
Programmable alarm with interrupt function  
Package options include:  
(valid even during battery backup mode)  
– a 16-lead QFN (M41T83),  
nd  
Optional 2 programmable alarm available  
– an 18-lead embedded crystal SOIC  
(M41T83), or  
– an 8-lead SOIC (M41T82)  
Square wave output defaults to 32 KHz on  
power-up (M41T83 only)  
RESET (RST) output  
RoHS compliance: lead-free components are  
compliant with the RoHS directive  
Watchdog timer  
Programmable 8-bit counter/timer  
7 bytes of battery-backed user SRAM  
Battery low flag  
Power-down time stamp (HT bit)  
Low operating current of 80 µA  
October 2010  
Doc ID 12578 Rev 12  
1/61  
www.st.com  
1

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