4
SY88903V
Micrel, Inc.
M9999-111307
hbwhelp@micrel.com or (408) 955-1690
VCC = +5V ±10% or +3.3V ±10%; RLOAD = 50 to VCC –2V; TA = –40°C to +85°C; unless noted.
Symbol
Parameter
Condition
Min
Typ
Max
Units
PSRR
Power Supply(3)
Input referred, 55MHz
35
dB
Rejection Ratio
VID
Input Voltage Range
5
1800
mVpp
tr, tf
Output Rise/Fall Time
VID > 100mVpp
260
ps
VID < 100mVpp
trin,tfin
VOD
Differential Output
VID = 15mVpp
600
mV
Voltage Swing(4)
VID = 5mVpp
200
mV
tOFFL
LOS Release Time(5)
0.1
0.5
s
Minimum Input
tOFFH
LOS Release Time(6)
0.1
0.5
s
Maximum Input
tONL
LOS Assert Time(5)
0.2
0.5
s
VSR
LOS Sensitivity Range
223–1 pattern
5
50
mVpp
HYS
LOS Hysteresis
223–1 pattern
2
4.6
8
dB
Notes:
3. Input referred noise = RMS output noise/low frequency gain.
4. Input is a 622MHz square wave.
5. Input is a 200MHz square wave, tr < 300ps, 8mVpp.
6. Input is a 200MHz square wave, tr < 300ps, 1.8Vpp.
AC ELECTRICAL CHARACTERISTICS
TYPICAL CHARACTERISTICS
0
10
20
30
40
50
60
70
80
90
100
0
-0.2 -0.4 -0.6 -0.8 -1.0 -1.2
INPUT
LEVEL
(mV
pp
)
LOSLVL V
CC – V
LOS Assert and De-assert
Levels vs LOS
LVL
3.3V
T
A = 25°C
1.25Gbps
Pattern 27-1
0
10
20
30
40
50
60
70
80
90
100
0-0.2 -0.4 -0.6 -0.8 -1.0 -1.2
INPUT
LEVEL
(mV
pp
)
LOSLVL V
CC – V
LOS Assert and De-assert
Levels vs LOS
LVL
5.0V
T
A = 25°C
1.25Gbps
Pattern 2
7-1