AS1923 데이터 시트보기 (PDF) - austriamicrosystems AG

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AS1923

Quad-Voltage Microprocessor Supervisory Circuit

austriamicrosystems AG 

AS1923

Datasheet - Pinout

4 Pinout

Pin Assignments

Figure 2. Pin Assignments (Top View)

IN4 1

6 IN3

lid GND 2 AS1923 5 IN2

a RESETN 3

4 IN1

ill v Pin Descriptions

t Table 1. Pin Descriptions

G s Pin Number

A t 1

2

s en 3

m t 4

a n 5

Technical co 6

Pin Name

IN4

GND

RESETN

IN1

IN2

IN3

Description

Input Voltage 4. See Ordering Information on page 14 for monitored voltages.

Ground

Reset Output. AS1923A (see Ordering Information on page 14) supports an external pullup resistor; AS1923B

contains an internal 10µA current source pullup. RESETN goes low (reset asserted) when any one of the INx

voltages goes below its specified threshold. After all inputs have stabilized, RESETN remains low for at least

120ms (min) before going high.

Input Voltage 1. See Ordering Information on page 14 for monitored voltages.

Input Voltage 2. See Ordering Information on page 14 for monitored voltages.

Note: IN2 is the power supply input for the AS1923.

Input Voltage 3. See Ordering Information on page 14 for monitored voltages.

www.austriamicrosystems.com/Supervisors/AS1923

Revision 1.01

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