VSC8115
Data Sheet
SPECIFICATIONS
DC Characteristics
Over Recommended Operating Conditions.
Table 2. LVPECL Single-Ended Inputs/Outputs
Symbol
Parameter
Min
Typ
Max
Units Condition
V
Input HIGH Voltage
V
– 1.125
V
V
– 0.5
V
Guaranteed input
HIGH voltage.
IH
DD
DD
V
Input LOW Voltage
V
– 2.0
– 1.5
V
Guaranteed input LOW
voltage.
IL
DD
DD
I
I
Input HIGH Current
Input LOW Current
Output LOW Voltage
Output HIGH Voltage
–0.5
–0.5
– 2.0
10
10
– 1.8
A
V
V
= V – 0.5V.
DD
IH
IN
IN
A
= V – 2.0V.
DD
IL
V
V
V
V
50 to (V – 2.0V).
DD
OL
DD
DD
V
V
– 1.25
V
– 0.67
V
50 to (V – 2.0V).
OH
DD
DD
DD
Table 3. LVPECL Differential Inputs
Symbol
Parameter
Min
Typ
Max
Units
Condition
V
Input HIGH Voltage
V
– 1.75
V
– 0.4
V
Guaranteed input HIGH
voltage.
IH
DD
DD
V
Input LOW Voltage
V
– 2.0
V
– 0.7
V
Guaranteed input LOW
voltage.
IL
DD
DD
V
Differential Input Voltage
Input HIGH Current
Input LOW Current
250
mV
A
IN
I
I
–0.5
–0.5
10
V
V
= 0.5V.
= 0.5V.
IH
IL
IN
10
A
IN
Table 4. LVDS Differential Outputs
Symbol
Parameter
Min
Typ
Max
Units
Condition
V
Output Common-Mode Voltage
1.0
1.35
1.7
V
100 PAD to PADN.
Single-ended peak-to-
peak.
OCM
V
Differential Output Swing
350
500
850
mV
100 PAD to PADN.
OUT
Single-ended peak-to-
peak.
Table 5. LVPECL Differential Outputs
Symbol
Parameter
Min
0.8
Typ
Max
1.7
Units
V
Condition
V
Output Common-Mode Voltage
Differential Output Swing
1.35
50 to (V – 2.0V).
DD
OCM
V
400
850
mV
50 to (V – 2.0V).
DD
OUT
4 of 12
G52272, Rev 4.2
5/14/03
VITESSE [ VITESSE SEMICONDUCTOR CORPORATION ]
