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RS5C313 데이터 시트보기 (PDF) - RICOH Co.,Ltd.
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RS5C313
ULTRA-COMPACT REAL-TIME CLOCK IC
RICOH Co.,Ltd.
RS5C313 Datasheet PDF : 32 Pages
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RS5C313
AC CHARACTERISTICS
Symbol
Item
t
CES
CE set-up time
t
CEH
CE hold time
t
CR
CE recovery time
t
SCK
SCLK clock cycle
t
CKH
SCLK “H” clock time
t
CKL
SCLK “L” clock time
t
CKS
SCLK clock set-up time
t
RE
Data output start time (from of SCLK)
t
RR
Data output delay time (from of SCLK)
t
RZ
Output floating time
t
DS
Input data set-up time
t
DH
Input data hold time
V
DD
=5V±10%
MIN. MAX.
175
175
350
350
175
175
60
120
120
120
50
50
(V
SS
=0V, Topt=–30 to +80˚C, C
L
=50pF)
V
DD
=3V±10%
MIN. MAX.
V
DD
=5V±20%
MIN. MAX.
Unit
300
200
ns
300
200
ns
600
400
ns
600
400
ns
300
200
ns
300
200
ns
100
80
ns
200
135
ns
200
135
ns
200
135
ns
80
60
ns
50
50
ns
TIMING CHART
CE
SCLK
Read cycle SIO
Write cycle
SIO
t
CKS
t
CES
t
SCK
t
CKH
t
RE
t
CKL
t
RR
Read Data
t
DS
t
DH
Write Data
t
CEH
t
CR
t
RZ
Input/output conditions
V
IH
=
0.8
×
V
DD
V
IL
= 0.2
×
V
DD
V
OH
= 0.8
×
V
DD
V
OL
= 0.2
×
V
DD
*
) The ability that is fair in “H” or “L” slanted line department
6
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