R3130N30EC datasheet(4/32 Pages) RICOH

tên linh kiện	R3130N30EC

Giải thích chi tiết về linh kiện	Low Voltage Detector with built-in Delay Circuit

PDF	32 Pages

Scroll/Zoom	100%

nhà sản xuất	RICOH [RICOH electronics devices division]

Trang chủ	http://www.ricoh.com

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4 / 32 page

R3130N×××A/C, R3131N×××A/C

TIMING CHART

VSS

Tdelay

Supply

Voltage

(VDD)

Output Voltage

Detector

Threshold

Minimum Operating

Voltage

VDET

VSS

Tdelay

Supply

Voltage

(VDD)

Output Voltage

Detector

Threshold

Minimum Operating

Voltage

VDET

VSS

R3130N Operation Diagram

R3131N Operation Diagram

• Output Delay Operation

Output Delay Time, or Tdelay is specified as follows:

1. In the case of Nch Open Drain Output:

The time interval from rising edge of VDD pulse (1.0V→(VDET)+0.1V) to the time at which the output reaches

2.5V under the condition that the output pin (OUT) is pulled up to 5V through a 470kΩ resistor.

2. In the case of CMOS Output

The time interval from rising edge of VDD pulse (1.0V→(VDET)+0.1V) to the time at which the output reaches

VDD/2.

VDET+1.0V

Input Voltage

Output Voltage

1.0V

5.0V

2.5V

GND

Trst

Tdelay

(VDD)

VDET+1.0V

Input Voltage

Output Voltage

1.0V

VDET+0.1V

(VDET+0.1V)/2

GND

Trst

Tdelay

(VDD)

Nch Open Drain Output

CMOS Output

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