Datasheet

DS21Q59 Quad E1 Transceiver
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17. PER-CHANNEL LOOPBACK ..........................................................................................42
18. ELASTIC STORE OPERATION .......................................................................................42
19. ADDITIONAL (Sa) AND INTERNATIONAL (Si) BIT OPERATION..................................43
20. USER-CONFIGURABLE OUTPUTS................................................................................45
21. LINE INTERFACE UNIT ...................................................................................................47
21.1 RECEIVE CLOCK AND DATA RECOVERY .....................................................................................47
21.1.1 Termination ...........................................................................................................................................47
21.2 TRANSMIT WAVESHAPING AND LINE DRIVING .............................................................................48
21.3 JITTER ATTENUATORS ..............................................................................................................50
21.3.1 Clock and Data Jitter Attenuators .........................................................................................................50
21.3.2 Undedicated Clock Jitter Attenuator .....................................................................................................51
22. CODE MARK INVERSION (CMI) .....................................................................................52
23. INTERLEAVED PCM BUS OPERATION .........................................................................54
24. FUNCTIONAL TIMING DIAGRAMS.................................................................................56
24.1 RECEIVE..................................................................................................................................56
24.2 TRANSMIT................................................................................................................................58
25. OPERATING PARAMETERS...........................................................................................62
26. AC TIMING PARAMETERS AND DIAGRAMS ................................................................63
26.1 MULTIPLEXED BUS AC CHARACTERISTICS.................................................................................63
26.2 NONMULTIPLEXED BUS AC CHARACTERISTICS ..........................................................................66
26.3 SERIAL PORT ...........................................................................................................................68
26.4 RECEIVE AC CHARACTERISTICS ...............................................................................................69
26.5 TRANSMIT AC CHARACTERISTICS .............................................................................................72
26.6 SPECIAL MODES AC CHARACTERISTICS ....................................................................................74
27. PACKAGE INFORMATION..............................................................................................75
28. REVISION HISTORY........................................................................................................76