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参数资料
| 型号： | M41T82RQA6F |
| 厂商： | STMICROELECTRONICS |
| 元件分类： | 时钟/数据恢复及定时提取 |
| 英文描述： | 1 TIMER(S), REAL TIME CLOCK, QCC16 |
| 封装： | 4 X 4 MM, ROHS COMPLIANT, QFN-16 |
| 文件页数： | 1/58页 |
| 文件大小： | 462K |
| 代理商： | M41T82RQA6F |
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April 2008
Rev 7
1/58
1
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
■ 2.0 V to 5.5 V clock operating voltage
■ Counters for tenths/hundredths of seconds,
seconds, minutes, hours, day, date, month,
year, and century
■ Automatic switchover and reset output circuitry
(fixed reference)
–M41T83S
VCC = 3.00 V to 5.50 V
(2.85 V
≤ VRST ≤ 3.00 V)
–M41T83R
VCC = 2.70 V to 5.50 V
(2.55 V
≤ VRST ≤ 2.70 V)
–M41T83Z
VCC = 2.38 V to 5.50 V
(2.25 V
≤ VRST ≤ 2.38 V)
■ Serial interface supports I2C Bus (400 kHz
protocol)
■ Programmable alarm with interrupt function
(valid even during battery back-up mode)
■ Optional 2nd programmable alarm available
■ Square wave output defaults to 32 KHz on
power-up (M41T83 only)
■ RESET (RST) output
■ 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 A
■ Oscillator stop detection
■ Battery or Super-cap back-up
■ Operating temperature of –40°C to 85°C
■ Package options include:
– a 16-lead QFN (M41T83),
– an 18-lead embedded crystal SOIC
(M41T83), or
– an 8-lead SOIC (M41T82)
■ RoHS compliance: lead-free components are
compliant with the RoHS directive
SOX18 (MY, 18-pin, 300 mil SOIC
QFN16, 4 mm x 4 mm (QA)
SO8 (M)
1
18
with embedded crystal)
(VFQFPN16)
相关PDF资料 |
PDF描述 |
|---|---|
| M41T82RMY6F | 1 TIMER(S), REAL TIME CLOCK, PDSO18 |
| M41T82SQA6F | 1 TIMER(S), REAL TIME CLOCK, QCC16 |
| M41T83RM6F | 1 TIMER(S), REAL TIME CLOCK, PDSO8 |
| M41T83ZM6E | 1 TIMER(S), REAL TIME CLOCK, PDSO8 |
| M41T83ZQA6E | 1 TIMER(S), REAL TIME CLOCK, QCC16 |
相关代理商/技术参数 |
参数描述 |
|---|---|
| M41T82SM6E | 功能描述:实时时钟 Serial I2C bus RTC RoHS:否 制造商:Microchip Technology 功能:Clock, Calendar. Alarm RTC 总线接口:I2C 日期格式:DW:DM:M:Y 时间格式:HH:MM:SS RTC 存储容量:64 B 电源电压-最大:5.5 V 电源电压-最小:1.8 V 最大工作温度:+ 85 C 最小工作温度: 安装风格:Through Hole 封装 / 箱体:PDIP-8 封装:Tube |
| M41T82SM6F | 功能描述:实时时钟 Serial I2C bus RTC RoHS:否 制造商:Microchip Technology 功能:Clock, Calendar. Alarm RTC 总线接口:I2C 日期格式:DW:DM:M:Y 时间格式:HH:MM:SS RTC 存储容量:64 B 电源电压-最大:5.5 V 电源电压-最小:1.8 V 最大工作温度:+ 85 C 最小工作温度: 安装风格:Through Hole 封装 / 箱体:PDIP-8 封装:Tube |
| M41T82SMY6E | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:Serial RTC with battery switchover |
| M41T82SMY6F | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:Serial RTC with battery switchover |
| M41T82SQ6E | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:Serial RTC with battery switchover |
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