HM1307 datasheet(4/14 Pages) HMSEMI

Part #	HM1307

Description	low-power, full BCD code clock calendar real-time clock chip

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Manufacturer	HMSEMI [Shenzhen Huazhimei Semiconductor Co., Ltd]

Direct Link	http://www.hmsemi.com/

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1307

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6、电容

(TA=+25℃)

参数

符号

CONDITIONS

最小

典型

最大

单位

Pin Capacitance (SDA, SCL)

CI/O

10

pF

Capacitance Load for Each Bus Line

CB

(Note 7)

400

pF

Note 1:所有电压均为相对电压。

Note 2:设计温度下限为-40℃，未经产品测试。

Note 3:ICCS 须为 VCC = 5.0V ， SDA, SCL = 5.0V。

Note 4:该周期后，产生第一个时钟脉冲。

Note 5:设备必须由内部为 SDA 信号（参见 SCL 信号的 VIH(MIN)）提供一个至少 300ns 的保持时间，以此桥

接 SCL 下降沿的未定义区域。

Note 6:若设备未延伸至 SCL 信号的低谷（tLOW）时，只需要满足 tHD:DAT 的最大值即可。

Note 7:CB－单根总线上总电容。

时序图

Shenzhen H&M Semiconductor Co.Ltd

http：//www.hmsemi.com

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