AK2574 Datasheet, PDF (7/30 Pages) Asahi Kasei Microsystems – 156M Laser Diode Driver + APC for Burst Mode

ASAHI KASEI
[AK2574]
3. Digital Input / Output DC Characteristics
Item
Symbol
min
max
Unit Conditions
Input High Level
VIH
2.0
V Note 1
Input Low Level
VIL
0.8
V
Output High Level
Output Low Level
VOH 0.9VDD
V IOH = -0.2mA
VOL
0.4
V IOL = 1mA (SDA)
IOL = 0.2mA (Except SDA)
Input Leakage Current 1
IL1
10
uA except WP pin
Input Leakage Current 2
IL2
350
uA WP pin
Note 1: except DATAP, DATAN, CLKP, CLKN, BRSTP and BRSTN pins.
4. I²C^TM I/F AC Characteristics
Symbol Parameter
min
tSCL
Clock Frequency, SCL
tLOW
Clock Pulse Width Low
4.7
tHigh
Clock Pulse Width High
4.0
tI
Noise Suppression Time
tAA
Clock Low to Data Out Valid
0.1
tBUF
Time Before a New Transmission
4.7
tHD.STA Start Hold Time
4.7
tSU.STA Start Setup Time
4.0
tHD.DAT Data Hold Time
0
tSU.DAT Data Setup Time
200
tR
Input Rise Time
tF
Input Fall Time
tSU.STO Stop Setup Time
4.7
tDH
SDATA Hold Time
100
tWR
Write Cycle Time
Note 1: This parameter is characterized and is not 100% tested.
max
Unit Remark
100
kHz
us
us
100
ns
4.5
us
us
us
us
us
ns
1.0
us
Note 1
0.3
us
Note 1
us
ns
10
ms
tF
tR
SCL
tSU.STA _tHD.STA
tHD.DAT _tSU.DAT tSU.STO
SDA (IN)
tAA
SDA (OUT)
tDH
tBUF
<MS0266-E-00>
-7-
2003/12