參數(shù)資料
型號: RS5C372B-E1
廠商: RICOH COMPANY LTD
元件分類: XO, clock
英文描述: I2C-bus Serial Interface Real Time Clock (8pin SSOP)
中文描述: REAL TIME CLOCK, PDSO8
封裝: 0.65 MM PITCH, SSOP-8
文件頁數(shù): 5/39頁
文件大小: 474K
代理商: RS5C372B-E1
RS5C372B
- 5 -
I
AC Characteristics
Unless otherwise specified: VSS=0V,Topt=-40 to +85
°
C
I/O Conditions: VIH=0.8
×
VDD,VIL=0.2
×
VDD,VOL=0.2
×
VDD,CL=50pF
Symbol
Item
VDD
2.0V
TYP.
VDD
2.5V
TYP.
Condi-
tions
MIN.
0
4.7
4.0
4.0
MAX.
100
MIN.
0
1.3
0.6
0.6
MAX.
400
Unit
f
SCL
t
LOW
t
HIGH
t
HD;STA
SCL clock frequency
SCL clock “L” time
SCL clock “H” time
Hold time for a (repeated)
start condition
Set-up time for a stop
condition
Set-up time for a repeated
start condition
Data set-up time
“H” Data hold time
“L” Data hold time
SDA low stable time after
falling of SCL
SDA off stable time after
falling of SCL
Rising time of SCL and
SDA (input)
Falling time of SCL and
SDA (input)
Pulse width of spikes which
must be suppressed by the
input Filter
kHz
μ
s
μ
s
μ
s
t
SU;STO
4.0
0.6
μ
s
t
SU;STA
4.7
0.6
μ
s
t
SU;DAT
t
HDH;DAT
t
HDL;DAT
t
PL;DAT
250
0
35
100
0
35
ns
ns
ns
μ
s
2.0
0.9
t
PZ;DAT
2.0
0.9
μ
s
t
R
1000
300
ns
t
F
300
300
ns
t
SP
50
50
ns
SDA(OUT)
SCL
S
Sr
P
t
PZ;DAT
t
HIGH
t
SU;DAT
t
HDH;DAT
t
HD;STA
t
SP
t
SU;STO
t
LOW
t
SU;STA
SDA(IN)
t
HD;STA
t
PL;DAT
Sr
P
Stop Condition
S
Start Condition
Repeated Start condition
t
HDL;DAT
*For detailed information refer to ”
I
Operation 1.2. I
2
C-BUS
transmission system”
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