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参数资料
型号： S-3511AECAG
元件分类： 时钟/数据恢复及定时提取
英文描述： REAL TIME CLOCK, UUC8
封装： 2.10 X 1.60 MM, DIE-8
文件页数： 35/36页
文件大小： 374K
代理商： S-3511AECAG
REAL-TIME CLOCK
S-3511A
Rev. 1.4_00
8
Seiko Instruments Inc.
AC Electrical Characteristics
(S-3511A, RL
=10 k, CL=80 pF)
Table 7 AC characteristics 1
Conditions : VDD
=1.7 V to 5.5 V, Ta= 20 to 70°C
Input; VIH
=0.8 × VDD, VIL=0.2 × VDD, Output; VOH=0.8 × VCC, VOL=0.2 × VCC (VCC=5.0 V)
Item
Symbol
Min.
Typ.
Max.
Unit
Clock pulse width
tSCK
5
250000
s
Setup time before CS rising
tDS
1
s
Hold time after CS rising
tCSH
1
s
Input data setup time
tISU
1
s
Input data hold time
tIHO
1
s
Output data definition time
tACC
3.5
s
Setup time before CS falling
tCSS
1
s
Hold time after CS falling
tDH
1
s
Input rising/falling time
tR, tF
0.1
s
Caution Since the output form of the SIO pin is Nch open-drain output, the rising time
of tACC is determined by the values of load resistance (RL) and load capacity
(CL) outside the IC. Use this as a reference value.
Table 8 AC characteristics 2
Conditions : VDD
=3.0 ± 0.3 V, Ta= 20 to 70°C
Input; VIH
=0.8 × VDD, VIL=0.2 × VDD, Output; VOH=0.8 × VCC, VOL=0.2 × VCC (VCC=5.0 V)
Item
Symbol
Min.
Typ.
Max.
Unit
Clock pulse width
tSCK
1
250000
s
Setup time before CS rising
tDS
0.2
s
Hold time after CS rising
tCSH
0.2
s
Input data setup time
tISU
0.2
s
Input data hold time
tIHO
0.2
s
Output data definition time
tACC
1.0
s
Setup time before CS falling
tCSS
0.2
s
Hold time after CS falling
tDH
0.2
s
Input rising/falling time
tR, tF
0.05
s
Caution Since the output form of the SIO pin is Nch open-drain output, the rising time
of tACC is determined by the values of load resistance (RL) and load capacity
(CL) outside the IC. Use this as a reference value.
Table 9 AC characteristics 3
Conditions : VDD
=5.0 ± 0.5 V, Ta= 20 to 70°C
Input; VIH
=0.8 × VDD, VIL=0.2 × VDD, Output; VOH=0.8 × VCC, VOL=0.2 × VCC (VCC=5.0 V)
Item
Symbol
Min.
Typ.
Max.
Unit
Clock pulse width
tSCK
0.5
250000
s
Setup time before CS rising
tDS
0.1
s
Hold time after CS rising
tCSH
0.1
s
Input data setup time
tISU
0.1
s
Input data hold time
tIHO
0.1
s
Output data definition time
tACC
0.3
s
Setup time before CS falling
tCSS
0.1
s
Hold time after CS falling
tDH
0.1
s
Input rising/falling time
tR, tF
0.05
s
Caution Since the output form of the SIO pin is Nch open-drain output, the rising time
of tACC 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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