AK2573A Datasheet, PDF (7/38 Pages) Asahi Kasei Microsystems – 125M / 156M Laser Diode Driver + APC

ASAHI KASEI
[AK2573A]
3. Digital Input / Output DC Characteristics
Item
Symbol
min
max
Input High Level
VIH
2.0
Input Low Level
VIL
0.8
Output High Level
Output Low Level
VOH 0.9VDD
VOL
0.4
Input Leakage Current 1
IL1
10
Input Leakage Current 2
IL2
350
Note 1: except DATAP, DATAN, CLKP and CLKN pins.
Note 2: SDA and TXFAULT pins
Note 3: except SDA and TXFAULT 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.
tF
tR
SCL
tSU.STA
tHD.STA
tHD.DAT tSU.DAT tSU.STO
Unit Conditions
V Note 1
V
V IOH = -0.2mA
V IOL = 1mA (Note 2)
IOL = 0.2mA (Note 3)
uA except WP pin
uA WP pin
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
SDA (IN)
tAA
tDH
tBUF
SDA (OUT)
5. LVPECL I/F
Item
Symbol min
typ
Single-ended Input Voltage Swing Vamp
0.1
Common Voltage
Vcom 0.5*VDD
BIAS Voltage
Vbias
0.6*VDD
Input Impedance
Zin
10
Set-up Time
tsu
1.5
Hold Time
th
1.5
Note 1: This parameter is characterized and is not 100% tested.
max
1.2
VDD – 1.0
Unit Remarks
V
V
V
kΩ
ns SEL=”H”
ns Note 1
<MS0189-E-01>
-7-
2004/5