RS5C372B(1997) View Datasheet(PDF) - RICOH Co.,Ltd.
Part Name
Description
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RS5C372B Datasheet PDF : 39 Pages
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RS5C372B
s 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
Condi-
VDD≥2.0V
VDD≥2.5V
Unit
tions MIN. TYP. MAX. MIN. TYP. MAX.
fSCL
tLOW
tHIGH
tHD;STA
SCL clock frequency
SCL clock “L” time
SCL clock “H” time
Hold time for a (repeated)
start condition
0
100 0
400 kHz
4.7
1.3
µs
4.0
0.6
µs
4.0
0.6
µs
tSU;STO Set-up time for a stop
4.0
0.6
µs
condition
tSU;STA
Set-up time for a repeated
4.7
0.6
µs
start condition
tSU;DAT
tHDH;DAT
tHDL;DAT
tPL;DAT
Data set-up time
“H” Data hold time
“L” Data hold time
SDA low stable time after
falling of SCL
250
100
ns
0
0
ns
35
35
ns
2.0
0.9 µs
tPZ;DAT
SDA off stable time after
falling of SCL
2.0
0.9 µs
tR
Rising time of SCL and
SDA (input)
1000
300 ns
tF
Falling time of SCL and
SDA (input)
300
300 ns
tSP
Pulse width of spikes which
must be suppressed by the
50
50 ns
input Filter
S
Sr
P
SCL
tLOW
tHIGH
tHD;STA tSP
SDA(IN)
tHD;STA
tSU;DAT
tHDL;DAT
tSU;STA tHDH;DAT
SDA(OUT)
tPL;DAT
S Start Condition
Sr Repeated Start condition
tPZ;DAT
P Stop Condition
*For detailed information refer to ”sOperation 1.2. I2C-BUS
transmission system”
tSU;STO
-5-
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