參數(shù)資料
型號: S-3531A
廠商: Seiko Instruments Inc.
英文描述: CMOS Real-Time Clock IC Supporting an IIC-Bus(支持IIC-BUS的CMOS實時時鐘芯片)
中文描述: CMOS實時時鐘IC支持一個IIC總線(支持IIC總線的實時時鐘芯片的CMOS)
文件頁數(shù): 25/31頁
文件大?。?/td> 185K
代理商: S-3531A
REAL-TIME CLOCK
S-3531A
24
Seiko Instruments Inc.
AC Electrical Characteritics
Table 11 AC properties
VDD
=
1.7V to 5.5V
Min.
Typ.
Max.
SCL clock frequency
SCL clock “L” time
SCL clock “H” time
SDA output delay time
Start condition setup time
Start condition holding time
Data input setup time
Data input holding time
Stop condition setup time
SCL-SDA rising time
SCL-SDA falling time
Bus release time
Noise suppression time
f
SCL
t
LOW
t
HIGH
t
PD
t
SU.STA
t
HD.STA
t
SU.DAT
t
HD.DAT
t
SU.STO
t
R
t
F
t
BUF
t
I
0
100
3.5
1.0
0.3
100
kHz
μ
s
μ
s
μ
s
μ
s
μ
s
ns
ns
μ
s
μ
s
μ
s
μ
s
ns
4.7
4.0
4.7
4.0
250
150
4.7
4.7
Input pulse voltage
Input pulse
rising/falling time
Output judgment
voltage
Output load
0.1
×
VDD to 0.9
×
VDD
20ns
0.5
×
VDD
100pF+pull-up resistance 1.0k
Table 10 Measurement conditions
VDD
R=1.0k
SDA
C=100pF
Figure Output load circuit
Figure 22 Bus timing
SCL
SDA IN
SDA OUT
t
BUF
t
R
t
SU.STO
t
SU.DAT
t
HD.DAT
t
DH
t
PD
t
HIGH
t
LOW
t
HD.STA
t
SU.STA
t
F
Unit
Symbol
Item
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