Datasheet > BU9873

BU9873

更新时间： 2022-02-26 10:33:13

品牌	Logo	应用领域
罗姆 - ROHM		/
页数	文件大小	规格书
40页	1221K
描述
I2C BUS Serial Interface RTC with High-precision Oscillation Adjustment

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数据手册

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BU9873 数据手册

Daattaasshheeeett

BU9873

Typical Performance Curves

1.2

0.8

0.6

0.4

0.2

0.8

0.6

0.4

0.2

-60

-30

120

Operation Temperature Topt [Celsius]

Supply Voltage V_DD[V]

Figure 8. Timekeeping Current vs. Operating Temperature

(with no 32-kHz clock output, output pins open)

(C_GOUT=C_DOUT=0pF, V_DD=3V)

Figure 7. Timekeeping Current vs. Supply Voltage

(with no 32-kHz clock output, output pins open)

(C_GOUT=C_DOUT=0pF, Topt=25°C)

V_DD=1.5V

V_DD=3.0V

V_DD=5.8V

100

200

300

400

SCL Clock Frequency [kHz]

Supply Voltage V_DD[V]

Figure 10. CPU Access Current vs. SCL Clock Frequency

(with no 32-kHz clock output, SDA=“H”)

Figure 9. Timekeeping Current vs. Supply Voltage

(with 32-kHz clock output, output pins open)

(C_GOUT=C_DOUT=0pF, Topt=25°C)

(other pins open, C_GOUT=C_DOUT=0pF, Topt=25°C)

www.rohm.com

TSZ22111・15・001

TSZ02201-0919AGZ00010-1-2

7/37

13.Sep.2013 REV.001

1...4 5 678 9 10...40

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