參數(shù)資料
型號: S-3511A
廠商: Seiko Instruments Inc.
英文描述: CMOS Real-Time Clock IC(3 Lines)(3線,CMOS實時時鐘芯片)
中文描述: CMOS實時時鐘IC(3線)(3線,實時時鐘芯片的CMOS)
文件頁數(shù): 24/31頁
文件大?。?/td> 183K
代理商: S-3511A
Real-Time Clock
S-3511A
Seiko Instruments Inc.
23
Table 12
AC characteristics 3
(S-3511A,RL=10K , C
L
=80pF)
Conditions: VDD=5.0 0.5V, Ta=-20 to 70°C
Input; V
IH
=0.8 VDD, V
IL
=0.2 VDD, Output; V
OH
=0.8 VDD, V
OL
=0.2 VDD
Item
Symbol
Min.
Typ.
Max.
Unit
Clock pulse width
t
SCK
0.5
250000
s
Setup time before CS rising
t
DS
0.1
s
Hold time after CS rising
t
CSH
0.1
s
Input data setup time
t
ISU
0.1
s
Input data hold time
t
IHO
0.1
s
Output data definition time
t
ACC
0.3
s
Setup time before CS falling
t
CSS
0.1
s
Hold time after CS falling
t
DH
0.1
s
Input rising/falling time
t
R
,
t
F
0.05
s
Note:
Since the output form of the SIO terminal is N-channel open drain output, the rising time of t
ACC
is
determined by the values of load resistance (RL) and load capacity (CL) outside the IC. Use this as
a reference value.
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