
OCX160 Crosspoint Switch
—
Preliminary Data Sheet
26
[Rev. 1.6] 2/20/01
I-Cube, Inc.
4.4
DC Electrical Specifications
(T
A
= -40
°
C to 85
°
C, V
DD
.IN = 3.3V ±10%, V
DD
.CORE = 2.5V ±5%)
1.
All LVTTL input pins have pull-up resistors.
2.
See section 6 for dynamic power consumption calcualtion.
3.
Refer to Figures 7 and 8 for termination resistor.
4.
Refer to Figures 9 and 10 for termination resistor.
5.
Maximum capacitive load is 12 pF.
These values in Table 20 are valid at the output of the source termination pack, as shown in sections 3.2
and 3.3, with a 100
differential load only. The V
OH
levels are 200mV below LVPECL levels and are
compatible with devices tolerant of lower common-mode ranges. The above table summarizes the DC
output specifications of LVPECL.
Table 18
LVTTL DC Electrical Specifications
Symbol
Parameter
Conditions
Min
Max
Units
V
IH
V
IL
V
OH
High-level Input
Ports are 3.3V tolerant
2.0
3.6
V
Low-level Input
Ports are 3.3V tolerant
-0.3
0.8
V
High-level Output
V
DD
.PAD = Min
I
OH
= -4mA
V
DD
.PAD = Min
I
OL
= 8mA
V
DD
.IN= Max
0.0 < In < V
DD.PAD
V
DD
.PAD = Max
0.0 < In < V
DD.PAD
Power
2.4
V
DD
.PAD+ 0.3
V
V
OL
Low-level Output
0.4
V
IL
IH
, IL
IL (1)
Input Pin Leakage Current
+5
-50
μΑ
IL
OZ
Tristate Leakage Output OFF State
+5
-5
μΑ
P
DDQ (2)
Quiescent Power
All V
DD
= Max
0.5
W
Table 19
LVDS DC Electrical Specifications
DC Parameter
Min
Typ
Max
Units
Output High Voltage for OUTP and OUTN
(3)
1.6
V
Output Low Voltage for OUTP and OUTN
Differential Output Voltage
(5)
0.90
V
250
350
450
mV
Output Common-Mode Voltage
1.125
1.25
1.375
V
Differential Input Voltage
100
350
mV
Input Common-Mode Voltage
0.25
1.25
2.25
V
Table 20
LVPECL DC Electrical Specifications
DC Parameters
V
IH (4)
V
IL
V
OH
V
OL
Min
Max
V
DD
.PAD - 1.165
V
DD
.PAD - 1.810
1.80
V
DD
.PAD - 0.880
V
DD
.PAD - 1.475
2.40
0.95
1.55