OCX160 Datasheet, PDF (24/44 Pages) List of Unclassifed Manufacturers – OCX160 Crosspoint Switch

OCX160 Crosspoint Switch—Preliminary Data Sheet
3.3 Termination Resistor Packs
Resistor packs are available with the values and the configuration required for LVDS and LVPECL
termination from Bourns, Inc. The part numbers are listed in Table 13. For pricing and availability
questions, please contact them directly at www.bourns.com.
Table 13 Termination Resistor Packs
Bournes Part Number
CAT16-LV2F6
CAT16-LV4F12
CAT16-PC2F6
CAT16-PC4F12
CAT16-PT2F2
CAT16-PT4F4
Differential I/O Standard
LVDS
LVDS
LVPECL
LVPECL
LVDS/LVPECL
LVDS/LVPECL
Termination Pairs per
for:
Pack
Driver
2
Driver
4
Driver
2
Driver
4
Receiver
2
Receiver
4
No. of Pins
8
16
8
16
8
16
3.4 Mixed I/O Systems
The use of different supply voltages and terminating resistors allows the OCX160 to support LVDS /
LVPECL translation as well as switching as outlined in Table 14.
Table 14 Supply Voltages and Terminating Resistors
Input
LVDS
LVPECL
LVDS
LVPECL
Output
LVDS
LVDS
LVPECL
LVPECL
V_DD.PAD
2.5V
2.5V
3.3V
3.3V
R_T
100Ω
100Ω
100Ω
100Ω
R_S
165Ω
165Ω
100Ω
100Ω
R_DIV
140Ω
140Ω
187Ω
187Ω
NOTES:
1. V_DD.IN = 3.3V ±10%, V_DD.CORE = 2.5V ±5%
2. It is not possible to mix LVDS and LVPECL outputs on a device
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[Rev. 1.6] 2/20/01
I-Cube, Inc.