參數(shù)資料
型號: S-3531AECA-TB-01
元件分類: 時鐘/數(shù)據(jù)恢復(fù)及定時提取
英文描述: REAL TIME CLOCK, UUC8
封裝: DIE-8
文件頁數(shù): 18/29頁
文件大?。?/td> 236K
代理商: S-3531AECA-TB-01
REAL-TIME CLOCK
S-3531A
24
Seiko Instruments Inc.
n
n AC Electrical Characteristics
Table 10 Measurement conditions
Figure 22 Output load circuit
Table 11 AC properties
VDD=1.7V to 5.5V
Min.
Typ.
Max.
SCL clock frequency
fSCL
0
100
kHz
SCL clock “L” time
tLOW
4.7
s
SCL clock “H” time
tHIGH
4.0
s
SDA output delay time
tPD
3.5
s
Start condition setup time
tSU.STA
4.7
s
Start condition holding time
tHD.STA
4.0
s
Data input setup time
tSU.DAT
250
ns
Data input holding time
tHD.DAT
150
ns
Stop condition setup time
tSU.STO
4.7
s
SCL, SDA rising time
tR
1.0
s
SCL, SDA falling time
tF
0.3
s
Bus release time
tBUF
4.7
s
Noise suppression time
tI
100
ns
SCL
SDA IN
SDA OUT
tBUF
tR
tSU.STO
tSU.DAT
tHD.DAT
tDH
tPD
tHIGH
tLOW
tHD.STA
tSU.STA
tF
Figure 23 Bus timing
Input pulse voltage
0.1
×VDD to 0.9×VDD
Input pulse
rising/falling time
20ns
Output judgment
voltage
0.5
×VDD
Output load
100pF+pull-up resistance 1.0k
VDD
R=1.0k
SDA
C=100pF
Note: Both IC and load powers
are the same VDD.
Unit
Item
Symbol
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