ocx256 ETC-unknow, ocx256 Datasheet - Page 5

• Manufacturer Part Number: ocx256
• Description: Ocx256 Crosspoint Switch
• Manufacturer: ETC-unknow

Fairchild Semiconductor
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OCX256 Functional Block Diagram .................................................................................................... 1
OCX256 Switch Matrix ........................................................................................................................ 7
Input and Output Buffer Configuration ................................................................................................ 8
Next Neighbor Clock Block Diagram ................................................................................................ 10
OCX256 JTAG Architecture .............................................................................................................. 15
OCX256 JTAG State Machine ........................................................................................................... 16
OCX256L LVDS Signal Circuit......................................................................................................... 22
OCX256P LVPECL Signal Circuit .................................................................................................... 23
Registered Output Mode Timing ........................................................................................................ 27
Flow-Through Mode Timing .............................................................................................................. 27
Output Enable Timing ........................................................................................................................ 27
Duty Cycle Distortion ......................................................................................................................... 28
RapidConfigure Write Cycle .............................................................................................................. 28
RapidConfigure Read Cycle ............................................................................................................... 29
JTAG Timing ...................................................................................................................................... 29
Typical Performance at 667 Mb/s with PRBS Data ........................................................................... 30
OCX256 Package Pinout .................................................................................................................... 31
OCX256 Package—Bottom View ...................................................................................................... 40
OCX256 Package—Top and Side Views ........................................................................................... 41
Power Consumption Diagram for the OCX256L using LVDS .......................................................... 43
Power Consumption Diagram for the OCX256P using LVPECL...................................................... 44
OCX256 Crosspoint Switch—Advanced Datasheet
[Rev. 2.0] 3/21/02
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