RELEASED

PM4354 COMET-QUAD

DATASHEET

PMC-1990315

ISSUE 6

FOUR CHANNEL COMBINED E1/T1/J1

TRANSCEIVER / FRAMER

PROPRIETARY AND CONFIDENTIAL TO PMC-SIERRA, INC. AND FOR ITS CUSTOMERS’ INTERNAL USE

vi

LIST OF FIGURES

FIGURE 1

- WIRELESS BASE STATION APPLICATION....................................................... 10

FIGURE 2

- V5.2 INTERFACE APPLICATION........................................................................ 10

FIGURE 3

- COMET-QUAD BLOCK DIAGRAM ..................................................................... 11

FIGURE 4

- PIN DIAGRAM..................................................................................................... 15

FIGURE 5

- EXTERNAL ANALOG INTERFACE CIRCUITS................................................... 34

FIGURE 6:

- T1 JITTER TOLERANCE .................................................................................... 37

FIGURE 7:

- COMPLIANCE WITH ITU-T SPECIFICATION G.823 FOR E1 INPUT JITTER .. 38

FIGURE 8:

- CRC MULTIFRAME ALIGNMENT ALGORITHM................................................. 43

FIGURE 9:

- RECEIVE CLOCK MASTER: FULL T1/E1 .......................................................... 51

FIGURE 10: - RECEIVE CLOCK MASTER: NX64KBIT/S ......................................................... 51

FIGURE 11: - RECEIVE CLOCK MASTER: CLEAR CHANNEL ............................................... 52

FIGURE 12: - RECEIVE CLOCK SLAVE: FULL T1/E1.............................................................. 52

FIGURE 13: - RECEIVE CLOCK SLAVE: H-MVIP..................................................................... 52

FIGURE 14: - RECEIVE CLOCK SLAVE: FULL T1/E1 WITH CCS H-MVIP ............................. 53

FIGURE 15: - TRANSMIT CLOCK MASTER: FULL T1/E1 ....................................................... 54

FIGURE 16: - TRANSMIT CLOCK MASTER: NX64KBIT/S ...................................................... 55

FIGURE 17: - TRANSMIT CLOCK MASTER: CLEAR CHANNEL............................................. 55

FIGURE 18: - TRANSMIT CLOCK SLAVE: FULL T1/E1 ........................................................... 55

FIGURE 19: - TRANSMIT CLOCK SLAVE: CLEAR CHANNEL ................................................ 56

FIGURE 20: - TRANSMIT CLOCK SLAVE: H-MVIP.................................................................. 56

FIGURE 21: - TRANSMIT CLOCK SLAVE: FULL T1/E1 WITH CCS H-MVIP........................... 57

FIGURE 22: - TJAT JITTER TOLERANCE ................................................................................ 63

FIGURE 23: - TJAT MINIMUM JITTER TOLERANCE VS. XCLK ACCURACY......................... 64

FIGURE 24: - TJAT JITTER TRANSFER................................................................................... 65