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HT47R20 데이터시트(PDF) 6 Page - Holtek Semiconductor Inc

부품명 HT47R20
상세설명  8 縕첮-F 玉툾TP ?고뒳?
PDF  42 Pages
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제조업체  HOLTEK [Holtek Semiconductor Inc]
홈페이지  http://www.holtek.com
Logo HOLTEK - Holtek Semiconductor Inc

HT47R20 데이터시트(HTML) 6 Page - Holtek Semiconductor Inc

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HT47R20
Rev. 1.10
6
2002-07-25
交流电气特性
Ta=25
测试条件
符号
参数
VDD
条件
最小
典型
最大
单位
3V
400
4000
kHz
fSYS1
系统时钟
(晶体振荡)
5V
400
8000
kHz
3V
400
4000
kHz
fSYS2
系统时钟
(RC 振荡)
5V
400
8000
kHz
fSYS3
系统时钟
(32768Hz 晶体振
荡
)
32768
Hz
fRTCOSC RTC 频率
32768
Hz
3V
0
—
4000
kHz
fTIMER
定时器输入频率
(TMR)
5V
0
8000
kHz
3V
45
90
180
µs
tWDTOSC 看门狗振荡器
5V
35
65
130
µs
tRES
外部复位低电平脉宽
—
1
—
—
µs
tSST
系统启动延迟时间
—
从
HALT 状态唤醒
—
1024
—
tSYS
tINT
中断脉冲宽度
—
1
—
—
µs



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