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參數(shù)資料
| 型號(hào)： | DS1384FP-12 |
| 英文描述： | Watchdog Timekeeping Controller |
| 中文描述： | 看門(mén)狗計(jì)時(shí)控制器 |
| 文件頁(yè)數(shù)： | 16/17頁(yè) |
| 文件大?。?/td> | 307K |
| 代理商： | DS1384FP-12 |
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DS1384
16 of 17
TIMING DIAGRAM: INTERRUPT OUTPUTS PULSE MODE
(SEE NOTES 8, 9)
NOTES:
1.
All voltages are referenced to ground.
2.
Typical values are at 25
°
C and nominal supplies.
3.
Outputs are open.
4.
Value for voltage and currents is from the V
CCI
input pin to the V
CCO
pin.
5.
Write protection trip point occurs during power fail prior to switchover from V
CC
to V
BAT
.
6.
Value for voltage and currents is from the V
BAT
input pin to the V
CCO
pin.
7.
Data retention time depends on the size of battery selected and the amount of current demanded by
the static RAM in back-up mode. The battery capacity (mA
=
hr) to achieve a T
DR
of 10 years is given
by the formula: C=(I
BAT1
+ I
RAM
) x 24 x 365 x 10, where I
RAM
is the standby current of the static
RAM at the battery voltage. For the DS1384 chip alone, a standard 48 mAh lithium cell battery will
provide greater than 10 years of data retention in the absence of power.
8.
Applies to both interrupt pins when the alarms are set to pulse.
9.
Interrupt output occurs within 100 ns of the alarm condition existing.
OUTPUT LOAD
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| DS1384FP-12+ | 功能描述:實(shí)時(shí)時(shí)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(shí)間格式:HH:MM:SS RTC 存儲(chǔ)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(fēng)格:Through Hole 封裝 / 箱體:PDIP-8 封裝:Tube |
| DS1384FP-120 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Real-Time Clock |
| DS1384T-120 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Real-Time Clock |
| DS1384T-150 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Real-Time Clock |
| DS1385 | 制造商:DALLAS 制造商全稱:Dallas Semiconductor 功能描述:RAMified Real Time Clock 4K x 8 |
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