VITESSE
SEMICONDUCTOR CORPORATION
Advance Product Information
125MHz Octal Deskew
VSC6280/81/82
Table 3: Differential ECL Inputs and Outputs
Parameter
Description
Min
Typ
Max
Units
Conditions
Required for full
output swing
VDIFF
Input Voltage Differential
2001
-
-
mV
Common mode
range required for
full output swing
with VDIFF applied
VCM
Common Mode Voltage
-1.5
-
-0.5
V
Note (1): For input signals >500 MHz VDIFF must be 600mV.
Figure 9: Differential ECL Input Voltages
PAD
- +
Z
VDIFF
IEDIFF
2
IEDIF2
PADN
+ -
VDIFF
VCM
2
Table 4:TTL Inputs and Outputs
Parameter
Description
Min Typ
Max
Units
Conditions
VOH
VOL
VIH
VIL
Output HIGH voltage
2.4
0
-
-
-
-
-
-
-
-
-
-
-
V
V
IOH = -2.4mA
IOL = 16 mA
-
Output LOW voltage
Input HIGH voltage
Input LOW voltage
Input HIGH current
Input LOW current
0.4
2.0
0
VTTL+1.0V
V
0.8
50
-
V
-
IIH
-
uA
uA
uA
uA
uA
uA
VIN = 2.4V
VIN = 0.4V
VOUT = 2.4V
VOUT = 0.4V
VOUT = 0.4V
VOUT = 2.4V
IIL
-500
-
IOZH
IOZL
IOZLB
IOCZ
3-State Output OFF current HIGH
3-State Output OFF current LOW
200
-
-100
-600
-
3-State Output OFF Current Low for Bi-directs
Open Collector Output Leakage Current
-
200
Note: All Specifications are over recommended commercial operating conditions, TTL/GND = GND
G52153-0, Rev. 2.2
8/5/98
VITESSE SEMICONDUCTOR CORPORATION
741 Calle Plano, Camarillo, CA 93012 • 805/388-3700 • FAX: 805/987-5896
Page 9
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