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R5108G351C-TR

更新时间： 2023-08-15 00:00:00

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R5108G351C-TR 数据手册

Microprocessor Supervisory Circuit

NO. EA-171-080602

R5108G SERIES

OUTLINE

The R5108G Series are CMOS-based µ con supervisory circuit, or high accuracy and ultra low supply current

voltage detector with built-in delay and watchdog timer. When the SENSE voltage is down across the threshold,

or the watchdog timer does not detect the system clock from the µ con, the reset output is generated. The

voltage detector circuit is used for the system reset, etc. The detector threshold is fixed internally, and the

tolerance is ±1.0%. The released delay time (Power-on Reset Delay) circuit is built-in, and output delay time is

adjustable with an external capacitor. When the sense voltage becomes the released voltage, the reset state will

be maintained during the delay time. The time out period of the watchdog timer can be also set with an external

capacitor. The output type of the reset is selectable, Nch open-drain, or CMOS. There is a function to stop

supervising clock by the watchdog timer (INH function). A necessary voltage source can be supervised with

SENSE pin. The package is small SSOP-8G.

FEATURES

• Built-in a watchdog timer's time out period accuracy

±30%

• Timeout period for watchdog and generating a reset signal can be set by an external capacitor

• Detector Threshold Voltage ····························· 0.1V stepwise setting in the range from 1.5V to 5.5V

• Supply current·················································· Typ. 11µA

• Operating Voltage ············································ 1.5V to 6.0V

• High Accuracy Output Voltage of Detector Threshold ············································· ±±.0%

• Power-on Reset Delay Time accuracy············· ±20%

• Power-on reset delay time of the voltage detector can be set with an external capacitor.

• Small Package················································· SSOP-8G (0.65mm pitch)

APPLICATION

• Supervisory circuit for equipment with using microprocessors.

12 3 4 5 6 7...13

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