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Preliminary Data Sheet
February 1999
TTSI2K32T
2048-Channel, 32-Highway Time-Slot Interchanger
3
Lucent Technologies Inc.
List of Figures
Figures
Page
Figure 1. Block Diagram of the TTSI2K32T .............................................................................................................6
Figure 2. 217-Pin PBGA (Bottom View)...................................................................................................................7
Figure 3. A Typical TSI Application........................................................................................................................15
Figure 4. An 8K Time-Slot Switch Made from 4K TSIs ..........................................................................................17
Figure 5. Asynchronous Read................................................................................................................................18
Figure 6. Asynchronous Write................................................................................................................................18
Figure 7. Synchronous Read .................................................................................................................................19
Figure 8. Synchronous Write..................................................................................................................................19
Figure 9. Mixed-Highway Data Rates ....................................................................................................................21
Figure 10. Virtual and Physical Frames .................................................................................................................22
Figure 11. Synchronization to FSYNC ...................................................................................................................23
Figure 12. Highway Offsets....................................................................................................................................24
Figure 13. Mixed Low-Latency and Frame-Integrity Modes...................................................................................28
Figure 14. Block Diagram of the TTSI2K32T's Boundary-Scan Test Logic ...........................................................31
Figure 15. BS TAP Controller State Diagram.........................................................................................................32
Figure 16. Asynchronous Read Cycle Timing Using DT Handshake.....................................................................57
Figure 17. Asynchronous Write Cycle Timing Using DT Handshake.....................................................................57
Figure 18. Asynchronous Read Cycle Timing Using Only CS ...............................................................................58
Figure 19. Asynchronous Write Cycle Timing Using Only CS ...............................................................................58
Figure 20. Synchronous Read Cycle Timing..........................................................................................................59
Figure 21. Synchronous Write Cycle Timing..........................................................................................................59
Figure 22. TDM Highway Timing............................................................................................................................61
Figure 23. JTAG Interface Timing..........................................................................................................................62