ASAHI KASEI
[AK2572]
(4) Digital Input / Output Pin AC Characteristics (Serial Interface)
tF
tR
SCL
tSU.STA
tHD.STA
tHD.DAT
tSU.DAT
tSU.STO
SDA (IN)
tAA
tDH
tBUF
SDA (OUT)
Symbol
ｔSCL
ｔLOW
ｔHIGH
ｔI
Parameter
Clock Frequency, SCL
Clock Pulse Width Low
Clock Pulse Width High
Noise Suppression Time
Clock Low to Data Out Valid
Time before a New Transmission
Start Hold Time
Min.
Max.
100
Unit
kHz
μs
μs
ns
μs
μs
μs
μs
μs
ns
Note
4.7
4.0
100
4.5
ｔAA
0.1
4.7
4.0
4.7
0
ｔBUF
ｔHD.STA
ｔSU.STA
ｔHD.DAT
ｔSU.DAT
ｔR
ｔF
ｔSU.STO
ｔDH
Start Setup Time
Data Hold Time
Data Setup Time
Input Rise Time
Input Fall Time
Stop Setup Time
Data Out Hold Time
Write Cycle Time
200
[*]
[*]
μs
μs
μs
ns
1.0
0.3
4.0
100
ｔWR
10
ms
[*] This parameter is characterized and is not 100% tested.
-7-
<MS0290-E-01>
2004/8
AKM [ ASAHI KASEI MICROSYSTEMS ]
