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S1C88650 TECHNICAL MANUAL EPSON 147
8 ELECTRICAL CHARACTERISTICS
■ Input clock
•
_________
SCLK, EXCL input clock
Item
Symbol
Min. Typ. Max. Unit
SCLK input clock time
EXCL input clock time
(with noise rejecter)
EXCL input clock time
(without noise rejecter)
Input clock rising time
Input clock falling time
tsccy
tsch
tscl
tevcy
tevh
tevl
tevcy
tevh
tevl
tckr
tckf
µs
µs
µs
s
s
s
µs
µs
µs
ns
ns
Note
2
1
1
64/f
OSC1
32/f
OSC1
32/f
OSC1
2
1
1
25
25
Cycle time
"H" pulse width
"L" pulse width
Cycle time
"H" pulse width
"L" pulse width
Cycle time
"H" pulse width
"L" pulse width
Condition: V
DD
= 1.8 to 3.6 V, V
SS
= 0 V, Ta = 25°C, V
IH1
= 0.8V
DD
, V
IL1
= 0.2V
DD
SCLK
EXCL
VIH1
t
sccy
t
sch
VIL1
t
ckf
t
ckr
t
scl
VIH1
t
evcy
t
evh
VIL1
t
ckf
t
ckr
t
evl
•
___________
RESET input clock
Symbol
Min. Typ. Max. Unit
RESET input time
t
sr µs
Note
100
Item
Condition: V
DD
= 1.8 to 3.6 V, V
SS
= 0 V, Ta = 25°C, V
IH
= 0.5V
DD
, V
IL
= 0.1V
DD
RESET
t
sr
V
IL
V
IH