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Symbol Technologies CMOS CXP854P60 User Manual

Page 14

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CXP854P60

External interrupt
high and low level widths

Reset input low level width

INT0 to
INT2

RST

1

8/fc

µs

µs

Item

Symbol

Pin

Condition

Min.

Max.

Unit

t

IH

t

IL

t

RSL

Power supply rise time

Power supply cutt-off time

t

R

t

OFF

V

DD

Power-on reset

Repeated power-on reset

0.05

1

50

ms

ms

Item

Symbol

Pin

Condition

Min.

Max.

Unit

(3) Interrupt, Reset input

(Ta = –10 to +75°C, V

DD

= 4.5 to 5.5V, Vss = 0V)

(4) Power-on reset

Power on reset

(Ta = –10 to +75°C, V

DD

= 4.5 to 5.5V, Vss = 0V)

0.2V

DD

0.8V

DD

t

IH

t

IL

INT0 to INT2

(falling edge)

0.2V

0.2V

4.5V

V

DD

t

R

t

OFF

Take care when turning on power.

Fig. 5. Interrupt input timing

t

RSL

0.2V

DD

RST

Fig. 6. RST input timing

Fig. 7. Power-on reset