ASAHI KASEI
[AK2573A]
3. Digital Input / Output DC Characteristics
Item
Input High Level
Input Low Level
Output High Level
Output Low Level
Symbol
VIH
VIL
VOH
VOL
min
2.0
max
0.8
Unit Conditions
V
V
V
V
Note 1
0.9VDD
IOH = -0.2mA
IOL = 1mA (Note 2)
IOL = 0.2mA (Note 3)
0.4
Input Leakage Current 1
Input Leakage Current 2
IL1
IL2
10
350
uA except WP pin
uA WP pin
Note 1: except DATAP, DATAN, CLKP and CLKN pins.
Note 2: SDA and TXFAULT pins
Note 3: except SDA and TXFAULT pins
4. I2CTM I/F AC Characteristics
Symbol
tSCL
tLOW
thigh
tI
tAA
tBUF
tHD.STA
tSU.STA
Parameter
min
max
100
Unit
kHz
us
us
ns
us
us
us
us
Remark
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
4.7
4.0
100
4.5
0.1
4.7
4.7
4.0
0
Start Setup Time
tHD.DAT Data Hold Time
us
tSU.DAT
tR
tF
tSU.STO
tDH
Data Setup Time
Input Rise Time
Input Fall Time
Stop Setup Time
SDATA Hold Time
Write Cycle Time
200
ns
us
us
us
ns
ms
1.0
0.3
Note 1
Note 1
4.7
100
tWR
10
Note 1: This parameter is characterized and is not 100% tested.
tF
tR
SCL
tSU.STA
tHD.DAT tSU.DAT tSU.STO
tHD.STA
SDA (IN)
tBUF
tAA
tDH
SDA (OUT)
5. LVPECL I/F
Item
Symbol
min
0.1
typ
max
1.2
VDD –1.0
Unit Remarks
V
V
V
kΩ
Single-ended Input Voltage Swing Vamp
Common Voltage
BIAS Voltage
Input Impedance
Set-up Time
Vcom 0.5*VDD
Vbias
Zin
tsu
0.6*VDD
10
1.5
1.5
ns
ns
SEL=”H”
Note 1
Hold Time
th
Note 1: This parameter is characterized and is not 100% tested.
<MS0189-E-01>
-7-
2004/5
AKM [ ASAHI KASEI MICROSYSTEMS ]
