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参数资料
| 型号： | S-3510AEFJA |
| 元件分类： | 时钟/数据恢复及定时提取 |
| 英文描述： | 0 TIMER(S), REAL TIME CLOCK, PDSO8 |
| 文件页数： | 5/20页 |
| 文件大小： | 153K |
| 代理商： | S-3510AEFJA |
REAL-TIME CLOCK
S-3510 Series
12
Seiko Instruments Inc.
(6) Voltage Detector
The S-3510 series incorporates a voltage detector that performs sampling once a second for 62.5 msec.
When the supply voltage goes below the detection voltage, the BLD latch-up circuit latches “H,” and stops sampling.
[IMPORTANT]
The BLD flag can read 1 when the supply voltage increases and the first read is executed. After that, however, sampling is
permitted. Therefore, when the next read is performed after sampling of the detector, the BLD flag is reset. Refer to the
timing charts shown below:
When the CS is turned to “H,” the output of the latch-up circuit is transmitted to the shift register only when the subsequent
command is the READ command.
Reading the BLD bit allows the decrease in the voltage to be monitored.
If the CS is turned to “L” after completing the read, sampling restarts. That is, once a decrease in the voltage is detected,
detection is not performed and the status is kept “H” as long as an initialization is not performed or a READ command is not
sent.
Sampling
pulse
Carry pulse
(0)
1 sec
Halt
(1)
(1) (1)
(0)
VCC
CS
Latch circuit output
BLD flag
[Timing of Sampling Pulse]
1Hz
VDET
Sampling
pulse
0.5 sec
7.8 msec
Carry-up timing
Latch timing
62.5 msec
31.25 msec
62.5 msec
Latch pulse
Figure 11
Figure 12
Halt
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| S-3510ACFJ | 0 TIMER(S), REAL TIME CLOCK, PDSO8 |
| S-35180AT8T1 | REAL TIME CLOCK, PDSO8 |
| S-35180AI8T1G | REAL TIME CLOCK, PDSO8 |
| S-35190A-J8T1G | 1 TIMER(S), REAL TIME CLOCK, PDSO8 |
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相关代理商/技术参数 |
参数描述 |
|---|---|
| S-3510ANFJ | 制造商:SII 制造商全称:Seiko Instruments Inc 功能描述:REAL-TIME CLOCK |
| S-3511 | 制造商:SII 制造商全称:Seiko Instruments Inc 功能描述:REAL-TIME CLOCK |
| S-3511A | 制造商:SII 制造商全称:Seiko Instruments Inc 功能描述:REAL-TIME CLOCK |
| S-3511AEFS | 制造商:SII 制造商全称:Seiko Instruments Inc 功能描述:REAL-TIME CLOCK |
| S-3511AEFS-TB01 | 功能描述:实时时钟 实时时钟 RoHS:否 制造商:Microchip Technology 功能:Clock, Calendar. Alarm RTC 总线接口:I2C 日期格式:DW:DM:M:Y 时间格式:HH:MM:SS RTC 存储容量:64 B 电源电压-最大:5.5 V 电源电压-最小:1.8 V 最大工作温度:+ 85 C 最小工作温度: 安装风格:Through Hole 封装 / 箱体:PDIP-8 封装:Tube |
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