S2092
SERIAL BACKPLANE RETIMER DEVICE
Table 11. Internally Biased Differential LVPECL Input Characteristics
Parameter
VIL
Description
Input Low Voltage
Min
Typ
Max Units
Conditions
VCC
-2.0
VCC
V
-1.4
VCC
-1.2
VCC
-0.5
VIH
Input High Voltage
V
IIL
Input Low Current
-300
-50
0
µA
µA
VIL = VCC -2
IIH
Input High Current
100
1200
600
VIH = VCC -0.5
See Figure 7.
See Figure 7.
∆VINDIFF
∆VINSINGLE
Differential Input Voltage Swing
Single-ended Input Voltage Swing
300
150
mV
mV
Figure 7. Differential Voltage Measurement
V(+)
V
SWING
V(–)
V(+) – V(-)
V
D
= 2 X V
SWING
0.0V
Note: V(+) – V(-) is the algebraic difference of the input signals.
July 10, 2000 / Revision A
12
AMCC [ APPLIED MICRO CIRCUITS CORPORATION ]
