DS21Q50L+ Maxim Integrated Products, DS21Q50L+ Datasheet - Page 4

• Manufacturer Part Number: DS21Q50L+
• Description: IC TXRX E1 QUAD 100-LQFP
• Manufacturer: Maxim Integrated Products

Specifications of DS21Q50L+

• Function: Transceiver
• Interface: E1
• Number Of Circuits: 4
• Voltage - Supply: 3.14 V ~ 3.47 V
• Current - Supply: 230mA
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Surface Mount
• Package / Case: *
• Includes: AIS Alarms Detector and Generator, Loopback Functions, PRBS Generator / Detector, Remote Detector and Generator
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Power (watts): -

DS21Q50
LIST OF FIGURES
Figure 1-1. Block Diagram ............................................................................................................................8
Figure 3-1. Serial Port Operation Mode 1 ...................................................................................................21
Figure 3-2. Serial Port Operation Mode 2 ...................................................................................................21
Figure 3-3. Serial Port Operation Mode 3 ...................................................................................................22
Figure 3-4. Serial Port Operation Mode 4 ...................................................................................................22
Figure 16-1. Typical Monitor Port Application...........................................................................................57
Figure 16-2. External Analog Connections (Basic Configuration) .............................................................60
Figure 16-3. External Analog Connections (Protected Interface) ...............................................................60
Figure 16-4. Transmit Waveform Template................................................................................................61
Figure 16-5. Jitter Tolerance........................................................................................................................63
Figure 16-6. Jitter Attenuation.....................................................................................................................63
Figure 17-1. CMI Coding ............................................................................................................................64
Figure 17-2. CMI Code Violation Example ................................................................................................65
Figure 18-1. IBO Configuration Using Two DS21Q50 Transceivers (Eight E1 Lines) ............................67
Figure 19-1. Receive Frame and Multiframe Timing..................................................................................68
Figure 19-2. Receive Boundary Timing (With Elastic Store Disabled)......................................................68
Figure 19-3. Receive Boundary Timing (With Elastic Store Enabled) .......................................................69
Figure 19-4. Receive Interleave Bus Operation ..........................................................................................69
Figure 19-5. Transmit Frame and Multiframe Timing ................................................................................70
Figure 19-6. Transmit Boundary Timing.....................................................................................................70
Figure 19-7. Transmit Interleave Bus Operation.........................................................................................71
Figure 19-8. Framer Synchronization Flowchart.........................................................................................72
Figure 19-9. Transmit Data Flow ................................................................................................................73
Figure 21-1. Intel Bus Read AC Timing (PBTS = 0) ..................................................................................76
Figure 21-2. Intel Bus Write Timing (PBTS = 0)........................................................................................76
Figure 21-3. Motorola Bus AC Timing (PBTS = 1)....................................................................................77
Figure 21-4. Intel Bus Read Timing (PBTS = 0).........................................................................................79
Figure 21-5. Intel Bus Write Timing (PBTS = 0)........................................................................................79
Figure 21-6. Motorola Bus Read Timing (PBTS = 1) .................................................................................80
Figure 21-7. Motorola Bus Write Timing (PBTS = 1) ................................................................................80
Figure 21-8. Serial Bus Timing (BTS1 = 1, BTS0 = 0) ..............................................................................81
Figure 21-9. Receive AC Timing (Receive Elastic Store Disabled) ...........................................................82
Figure 21-10. Receive AC Timing (Receive Elastic Store Enabled) ..........................................................83
Figure 21-11. Transmit AC Timing (IBO Disabled) ...................................................................................85
Figure 21-12. Transmit AC Timing (IBO Enabled) ....................................................................................85
Figure 21-13. NRZ Input AC Timing..........................................................................................................86
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