Input clock – Epson S1C88650 User Manual
Page 155
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
t
sccy
t
sch
t
scl
t
evcy
t
evh
t
evl
t
evcy
t
evh
t
evl
t
ckr
t
ckf
µ
s
µ
s
µ
s
s
s
s
µ
s
µ
s
µ
s
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
V
IH1
t
sccy
t
sch
V
IL1
t
ckf
t
ckr
t
scl
V
IH1
t
evcy
t
evh
V
IL1
t
ckf
t
ckr
t
evl
•
___________
RESET input clock
Symbol
Min.
Typ.
Max.
Unit
RESET input time
t
sr
µ
s
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