Switching characteristics, Timing diagram, Pin microprocessor supervisor with manual reset – Diodes APX811/812 User Manual

Page 5

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APX811/812

4-Pin Microprocessor Supervisor With Manual Reset

APX811/812 Rev. 2

5 of 10

OCTOBER 2009

DS31960

www.diodes.com

©

Diodes Incorporated

Switching Characteristics

(T

A

=25

o

C)


Symbol

Parameter

Test Conditions

Min Typ. Max Unit

t

d

Delay Time

APX811/812

V

CC

> V

th

-

+0.2V,

See timing diagram

140 200 280

ms

MR to

RESET

delay (APX811/812)

V

CC

> V

th

-

+0.2V,

V

IL

=0.3

×

V

CC

,

V

IH

=0.7

×

V

CC

- -

0.1

µs

t

PHL

Propagation (Delay) Time,
High-to-low-level Output

V

CC

to

RESET

delay

V

IL

= V

th

-

-0.2V,

V

IH

= V

th

-

+0.2V

- -

25

µs

MR

to RESET delay

(APX811/812)

V

CC

> V

th

-

+0.2V,

V

IL

=0.3

×

V

CC

,

V

IH

=0.7

×

V

CC

- -

0.1

µs

t

PLH

Propagation (Delay) Time,
Low-to-high-level Output

V

CC

to RESET delay

(APX811/812)

V

IL

= V

th

-

-0.2V,

V

IH

= V

th

-

+0.2V

- -

25

µs


Timing Diagram


Vth

Vth

/RESET

Vth

RESET

t

d

Vcc

RESET vs. Vcc Timing Diagram

t

d

t

d

t

d


/MR

Vcc

Vth

/RESET

RESET vs. /MR Timing Diagram

t

d

t

d

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