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參數(shù)資料
| 型號： | M41T81SM6ET |
| 廠商： | 意法半導體 |
| 英文描述： | Serial Access Real-Time Clock with Alarms |
| 中文描述： | 串行訪問實時時鐘與鬧鐘 |
| 文件頁數(shù)： | 1/29頁 |
| 文件大?。?/td> | 438K |
| 代理商： | M41T81SM6ET |
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1/29
September 2005
M41T81S
Serial Access Real-Time Clock with Alarms
* Contact local ST sales office for availability.
Rev 4.0
FEATURES SUMMARY
COUNTERS FOR TENTHS/HUNDREDTHS
OF SECONDS, SECONDS, MINUTES,
HOURS, DAY, DATE, MONTH, YEAR, AND
CENTURY
32KHz CRYSTAL OSCILLATOR WITH
INTEGRATED LOAD CAPACITANCE
(12.5pF) WHICH PROVIDES EXCEPTIONAL
OSCILLATOR STABILITY AND HIGH
CRYSTAL SERIES RESISTANCE
OPERATION)
OSCILLATOR STOP DETECTION
(MONITORS CLOCK OPERATION)
SERIAL INTERFACE SUPPORTS I
2
C BUS
(400kHz PROTOCOL)
ULTRA-LOW BATTERY SUPPLY CURRENT
OF 0.6
μ
A (typ)
2.0 TO 5.5V CLOCK OPERATING VOLTAGE
AUTOMATIC SWITCHOVER AND
DESELECT CIRCUITRY (FIXED
REFERENCE) WHICH PROVIDES FULL
OPERATION IN 3.0V APPLICATIONS)
–
V
CC
= 2.7 to 5.5V
2.5V
≤
V
PFD
≤
2.7V
POWER-DOWN TIME STAMP (HT BIT)
WHICH ALLOWS DETERMINATION OF
TIME ELAPSED IN BATTERY BACK-UP
BATTERY LOW FLAG
PROGRAMMABLE ALARM AND
INTERRUPT FUNCTION (valid even during
Battery Back-up Mode)
ACCURATE PROGRAMMABLE
WATCHDOG TIMER (from 62.5ms to 128s)
SOFTWARE CLOCK CALIBRATION (TO
COMPENSATE FOR CRYSTAL DEVIATION
DUE TO TEMPERATURE)
OPERATING TEMPERATURE OF –40 TO
85°C
PACKAGE OPTIONS INCLUDE AN 8-LEAD
SOIC OR 18-LEAD EMBEDDED CRYSTAL
SOIC
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Figure 1. Packages
8
1
SO8 (M)
8-pin SOIC
1
18
SOX18 (MY)*
18-pin (300mil) SOIC
with Embedded Crystal
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| M41T81SM6F | Serial Access Real-Time Clock with Alarms |
| M41T81SMY6 | Serial Access Real-Time Clock with Alarms |
| M41T81SMY6T | Serial Access Real-Time Clock with Alarms |
| M41T81SM6E | Serial Access Real-Time Clock with Alarms |
| M41T81SM6FT | Serial Access Real-Time Clock with Alarms |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| M41T81SM6F | 功能描述:實時時鐘 2.0-5.5V 512 (64x8) RoHS:否 制造商:Microchip Technology 功能:Clock, Calendar. Alarm RTC 總線接口:I2C 日期格式:DW:DM:M:Y 時間格式:HH:MM:SS RTC 存儲容量:64 B 電源電壓-最大:5.5 V 電源電壓-最小:1.8 V 最大工作溫度:+ 85 C 最小工作溫度: 安裝風格:Through Hole 封裝 / 箱體:PDIP-8 封裝:Tube |
| M41T81SM6FT | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:Serial Access Real-Time Clock with Alarms |
| M41T81SMY6 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:Serial Access Real-Time Clock with Alarms |
| M41T81SMY6E | 功能描述:實時時鐘 Serial Access 實時時鐘 RoHS:否 制造商:Microchip Technology 功能:Clock, Calendar. Alarm RTC 總線接口:I2C 日期格式:DW:DM:M:Y 時間格式:HH:MM:SS RTC 存儲容量:64 B 電源電壓-最大:5.5 V 電源電壓-最小:1.8 V 最大工作溫度:+ 85 C 最小工作溫度: 安裝風格:Through Hole 封裝 / 箱體:PDIP-8 封裝:Tube |
| M41T81SMY6ET | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:Serial Access Real-Time Clock with Alarms |
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