參數(shù)資料
型號: DS17885EN-3
英文描述: 3V/5V Real-Time Clock
中文描述: 3V/5V實(shí)時時鐘
文件頁數(shù): 14/38頁
文件大?。?/td> 410K
代理商: DS17885EN-3
DS17885/DS17887
14 of 38
Table 2.
PERIODIC INTERRUPT RATE AND SQUARE-WAVE OUTPUT
FREQUENCY
EXTENDED
REGISTER B
E32k
RS3
RS2
RS1
0
0
0
0
0
0
0
0
0
0
0
1
SELECT BITS REGISTER A
RS0
0
1
0
t
PI
PERIODIC
INTERRUPT RATE
SQW OUTPUT
FREQUENCY
None
None
256Hz
128Hz
3.90625ms
7.8125ms
0
0
0
0
0
0
0
1
1
1
0
0
1
0
1
122.070μs
244.141μs
488.281μs
8.192kHz
4.096kHz
2.048kHz
0
0
0
0
0
1
1
1
0
1
1
0
0
1
0
976.5625μs
1.953125ms
3.90625ms
1.024kHz
512Hz
256Hz
0
0
0
1
1
1
0
0
0
0
1
1
1
0
1
7.8125ms
15.625ms
31.25ms
128Hz
64Hz
32Hz
0
0
0
0
1
1
1
1
1
1
1
1
0
0
1
1
0
1
0
1
62.5ms
125ms
250ms
500ms
16Hz
8Hz
4Hz
2Hz
1
X
X
X
X
*
32.768kHz
*RS3 to RS0 determine periodic interrupt rates as listed for E32k = 0.
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參數(shù)描述
DS17885EN-3+ 功能描述:實(shí)時時鐘 3V/5V RTC 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(fēng)格:Through Hole 封裝 / 箱體:PDIP-8 封裝:Tube
DS17885EN-5 制造商:DALLAS 制造商全稱:Dallas Semiconductor 功能描述:3V/5V Real-Time Clock
DS17885N-3 制造商:DALLAS 制造商全稱:Dallas Semiconductor 功能描述:3V/5V Real-Time Clock
DS17885N-5 制造商:DALLAS 制造商全稱:Dallas Semiconductor 功能描述:3V/5V Real-Time Clock
DS17885S-3 功能描述:實(shí)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(fēng)格:Through Hole 封裝 / 箱體:PDIP-8 封裝:Tube