AS1905C31 查看數據表（PDF） - austriamicrosystems AG

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AS1905C31

Ultra Low-Power µP Supervisory Circuit

austriamicrosystems AG 

AS1904, AS1905, AS1906

Data Sheet - Pinout

4 Pinout

Pin Assignments

Figure 2. Pin Assignments (Top View)

Top View

lid GND 1

AS1904

AS1905

AS1906

3 VDD

RESETN,

a RESET

2

v SOT23-3

ill Pin Descriptions

t Table 1. Pin Descriptions

G s Pin Number

AS1904/AS1906

AS1905

A t 1

1

s n 2

-

m te -

2

Technicaal con 3

3

Pin Name

GND

RESETN

RESET

VDD

Description

Ground

Active-low reset output. RESETN remains low while VDD is

below the reset threshold and for tTP after VDD rises above

the reset threshold. RESETN is open-drain on the AS1906

and push-pull on the AS1904.

Active-high reset output. RESET remains high while VDD is

below the reset threshold and for tTP after VDD rises above

the reset threshold.

Supply voltage.

www.austriamicrosystems.com

Revision 1.41

2-9

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