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參數(shù)資料
| 型號： | M41ST84WMQ6 |
| 廠商： | STMICROELECTRONICS |
| 元件分類： | 時鐘/數(shù)據(jù)恢復及定時提取 |
| 英文描述： | 1 TIMER(S), REAL TIME CLOCK, PDSO16 |
| 封裝： | PLASTIC, SOP-16 |
| 文件頁數(shù)： | 13/29頁 |
| 文件大?。?/td> | 481K |
| 代理商： | M41ST84WMQ6 |
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M41ST84W
20/29
Power-on Reset
The M41ST84W continuously monitors VCC.
When VCC falls to the power fail detect trip point,
the RST pulls low (open drain) and remains low on
power-up for trec after VCC passes VPFD(max).
The RST pin is an open drain output and an appro-
priate pull-up resistor should be chosen to control
rise time.
Reset Input (RSTIN)
The M41ST84W provides an independent input
which can generate an output reset. The duration
and function of this reset is identical to a reset gen-
erated by a power cycle. Table 6., page 20 and
Figure 17., page 20 illustrate the AC reset charac-
teristics of this function. Pulses shorter than tRLRH
will not generate a reset condition. RSTIN is inter-
nally pulled up to VCC through a 100k resistor.
Figure 17. RSTIN Timing Waveform
Note: With pull-up resistor
Table 6. Reset AC Characteristics
Note: 1. Valid for Ambient Operating Temperature: TA = –40 to 85°C; VCC = 2.7 to 3.6V (except where noted).
2. Pulse width less than 50ns will result in no RESET (for noise immunity).
3. Programmable (see Table 8., page 22)
Symbol
Parameter(1)
Min
Max
Unit
tRLRH
(2)
RSTIN Low to RSTIN High
200
ns
tRHRSH
(3)
RSTIN High to RST High
40
200
ms
AI03682
RST
(1)
RSTIN
tRLRH
tRHRSH
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| M41ST84WMQ6E | 功能描述:實時時鐘 Serial 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 |
| M41ST84WMQ6F | 功能描述:實時時鐘 Serial 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 |
| 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 |
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