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參數(shù)資料
| 型號(hào)： | M41ST84WMQ6F |
| 廠商： | STMICROELECTRONICS |
| 元件分類： | 時(shí)鐘/數(shù)據(jù)恢復(fù)及定時(shí)提取 |
| 英文描述： | 1 TIMER(S), REAL TIME CLOCK, PDSO16 |
| 封裝： | ROHS COMPLIANT, PLASTIC, SOP-16 |
| 文件頁(yè)數(shù)： | 1/34頁(yè) |
| 文件大小： | 298K |
| 代理商： | M41ST84WMQ6F |
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August 2008
Rev 8
1/34
1
M41ST84W
3.0/3.3 V I2C serial RTC
with 44 bytes of NVRAM and supervisory functions
Features
■ Automatic battery switchover and deselect
– Power-fail deselect, VPFD = 2.60 V (nom)
–Switchover, VSO = 2.50 V (nom)
■ 400 kHz I2C serial interface
■ 3.0/3.3 V operating voltage
–VCC = 2.7 to 3.6 V
■ Ultra-low battery supply current of 500 nA
(max)
■ RoHS compliance
Lead-free components are compliant with the
RoHS directive
Serial RTC features
■ 400 kHz I2C
■ 44 bytes of general purpose NVRAM
■ Counters for:
– Seconds, minutes, hours, day, date, month,
and year
–Century
– 10ths/100ths of seconds
– Clock calibration register allows
compensation for crystal variations over
temperature
■ Programmable alarm with interrupt
– Functions during battery backup mode
■ Power-down timestamp (HT bit)
■ 2.5 to 5.5 V oscillator operating voltage
■ 32 KHz oscillator with integrated load
capacitance (12.5 pF)
■ Battery low flag
Microprocessor supervisory features
■ Programmable watchdog timer
– 62.5 ms to 128 s time-out period
■ Power-on reset/low voltage detect output
■ PFI/PFO with 1.25 V reference
Other features
■ Programmable squarewave generator
(1 Hz to 32 KHz)
■ –40°C to +85°C operation
■ Packaged in a 16-lead SOIC
16
1
SO16 (MQ)
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| M41ST84WMQ6TR | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:3.0/3.3V I2C Serial RTC with Supervisory Functions |
| M41ST84WSH | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:5.0 or 3.0V, 512 bit 64 x 8 SERIAL RTC with SUPERVISORY FUNCTIONS |
| M41ST84Y | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:5.0 or 3.0V, 512 bit 64 x 8 SERIAL RTC with SUPERVISORY FUNCTIONS |
| M41ST84YMH | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:5.0 or 3.0V, 512 bit 64 x 8 SERIAL RTC with SUPERVISORY FUNCTIONS |
| M41ST84YMH1 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:5.0 or 3.0V, 512 bit 64 x 8 SERIAL RTC with SUPERVISORY FUNCTIONS |
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