VITESSE
SEMICONDUCTOR CORPORATION
Advance Product Information
2.488 Gbit/sec SONET/SDH
Clock and Recovery IC
VSC8120
DC Characteristics (Over recommended operating conditions).
Table 6: Low Speed ECL Inputs and Outputs
Parameters
Description
Min
Typ
Max
Units
Conditions
-1100
—
—
-700
-1620
-600
mV
mV
mV
mV
uA
V
Output HIGH voltage
Output LOW voltage
Input HIGH voltage
Input LOW voltage
Input HIGH current
Input LOW current
50 ohms to V
OH
TT
V
V
50 ohms to V
OL
TT
TT
-1040
V
IH
V
-1600
200
V
IL
TT
I
IH
-50
uA
I
IL
Table 7: Power Supply
Parameters
Description
Supply voltage
Supply voltage
Min
Typ
Max
Units
Conditions
-5.46
-2.1
—
—
-4.94
-1.9
1.5
V
V
VEE
VTT
W
P
Power dissipation
Supply Current
Supply Current
Outputs open
D
—
tbd
mA
mA
I
I
Outputs open
Outputs open
EE
TT
—
tbd
Absolute Maximum Ratings
Power Supply Voltage, (VEE) .................................................................................................. -7V to V +0.5V
CC
Power Supply Voltage, (VTT) ............................................................................................................ -3V to 0.5V
DC Input Voltage (Differential inputs) ........................................................................................-2.5V to +0.5V
Output Current (Differential Outputs)....................................................................................................+/-50mA
Case Temperature Under Bias ......................................................................................................-55o to +125oC
Storage Temperature.................................................................................................................. -65oC to +150oC
Recommended Operating Conditions
Power Supply Voltage, (VEE) ...............................................................................................................-5.2V+5%
Power Supply Voltage, (VTT) ...............................................................................................................-2.0V+5%
Operating Temperature Range .........................................................0oC Ambient to +85oC Case Temperature
Notes:
(1) CAUTION: Stresses listed under “Absolute Maximum Ratings” may be applied to devices one at a time without causing per-
manent damage. Functionality at or above the values listed is not implied. Exposure to these values for extended periods may
affect device reliability.
Page 6
VITESSE SEMICONDUCTOR CORPORATION
741 Calle Plano, Camarillo, CA 93012 • 805/388-3700 • FAX: 805/987-5896
G52151-0, Rev. 2.0
10/2/98