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AS1920 Scheda tecnica(PDF) 3 Page - ams AG

Il numero della parte AS1920
Spiegazioni elettronici  Triple-Voltage, Micro-Power Microprocessor Supervisory Circuits
PDF  15 Pages
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Produttore elettronici  AMSCO [ams AG]
Homepage  http://www.ams.com
Logo AMSCO - ams AG

AS1920 Scheda tecnica(HTML) 3 Page - ams AG

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Revision 1.00
2 - 14
AS1920/AS1922
Datasheet - P i n o u t
4 Pinout
Pin Assignments
Figure 2. Pin Assignments (Top View)
Pin Descriptions
Table 2. Pin Descriptions
Pin Number
Pin Name
Description
1
RESETN
Reset Logic Output. This active-low pin serves as the 3V push/pull reset
output. A reset is asserted when any one of the supplies are below its
respective trip threshold and the reset is held for 200ms after all power supplies
have stabilized.
2GND
Ground.
3VCCA
VCCA. 1V sense, high-impedance input.
Note: If this pin is not used it should be tied to VCC3 or VCC18.
4VCC18
VCC18. 1.8V sense input and power detect pin (AS1920-18, AS1922-18). This
pin provides power to the output reset stage of the device in order to assert a
valid reset when the voltage on the primary input is down.
Note: Bypass this pin to GND with a
≥0.1µF ceramic capacitor.
5VCC3
VCC3. 3V sense input and power supply pin (AS1920-18, AS1922-18). This pin
provides power to the device.
Note: Bypass this pin to GND with a
≥0.1µF ceramic capacitor.
AS1920/
AS1922
2
GND
3
VCCA
1
RESETN
4 VCC18
5 VCC3
5 VCC3
4 VCC18



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