VSC8132QR Vitesse Semiconductor Corp., VSC8132QR Datasheet
VSC8132QR
Specifications of VSC8132QR
Related parts for VSC8132QR
VSC8132QR Summary of contents
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Preliminary Data Sheet VSC8132 Features • 2.488Gb/s 1:32 Demultiplexer • SONET STS-48/SDH STM-16 • HSPECL Differential Serial Data and Clock Inputs • 32-Bit TTL Parallel Data Outputs with Odd/ Even Parity Check • Frame Detect Synchronization General Description The VSC8132 ...
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SONET/SDH Demux Functional Description High-Speed Clock and Data Interface The incoming high-speed data and high-speed clock are received by high-speed inputs DI+ and CLKI+. The inputs are internally biased to accommodate AC-coupling. The data and clock inputs are ...
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Preliminary Data Sheet VSC8132 Low-Speed Data Interface The 77.76Mb/s parallel data outputs D[31:0] are clocked out of the VSC8132 on the falling clock edge of the 77.76MHz output clock (DATA78CLK). The data and clock are TTL levels. The MSB (D31) ...
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SONET/SDH Demux Decoupling of the power supplies is a critical element in maintaining the proper operation of the part recommended that the V power supply be decoupled using a 0.1 F and 0.01 F capacitor placed ...
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Preliminary Data Sheet VSC8132 (1) CLK78 (Out) SYNC PULSE (Out) OOFN (In) NOTE: (1) No missing clock pulse for CLK78 when VSC8132 is working as a dumb demux. Once frame occurs and OOFN is set HIGH, the no framing will ...
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SONET/SDH Demux DC Characteristics Table 2: DC Characteristics (Over recommended operating conditions) Parameters Description V Output HIGH Voltage (TTL) OHttl V Output LOW Voltage (TTL) OLttl V Input HIGH Voltage (TTL) IHttl V Input LOW Voltage (TTL) ILttl ...
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Preliminary Data Sheet VSC8132 Package Pin Descriptions VCC VEECTERM VCC 8 CLKI+ 9 CLKI VEE 12 DI+ 13 DI- 14 VEEDTERM 15 VEE 16 VEE ...
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SONET/SDH Demux Table 3: Pin Identifications Pin Name VCC VEECTERM VCC 9 CLKI+ 10 CLKI VEE 13 DI+ 14 DI- 15 VEEDTERM ...
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Preliminary Data Sheet VSC8132 Pin Name VCC 40 VEE 41 CKALARM 42 VEE 43 VCC 44 OOFN CLK51- 49 CLK51+ 50 VCC 51 VEE ...
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SONET/SDH Demux Pin Name 69 VEE 70 TH78DT25 71 TH78DT24 72 VCC 73 TH78DT23 74 TH78DT22 75 VCC 76 TH78DT21 77 TH78DT20 78 VEE 79 TH78DT19 80 TH78DT18 81 VCC 82 TH78DT17 83 TH78DT16 84 VCC 85 TH78DT15 ...
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Preliminary Data Sheet VSC8132 Pin Name 105 TH78DT3 106 TH78DT2 107 VCC 108 TH78DT1 109 TH78DT0 110 VEE 111 DATACLK78 112 SYNC 113 VCC 114 THPAR 115 THTRIST5 116 PARSEL 117 THTRIST1 118 VCC 119 VEE 120 THTRIST4 121 ALMRESET ...
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SONET/SDH Demux Package Information PIN 128 PIN 1 EXPOSED HEATSINK EXPOSED INTRUSION 0.127 MAX. 10 TYP TYP. Notes: 1) Drawing is not to scale 2) All dimensions Package represented is ...
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Preliminary Data Sheet VSC8132 Package Thermal Considerations The VSC8132 has been enhanced with a copper heat slug to provide a low thermal resistance path from the die to the exposed surface of the heat spreader. The thermal resistance is shown ...
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SONET/SDH Demux The results of this calculation are listed in Table 6. Table 6: Maximum Ambient Air Temperature without Heatsink Max Ambient Temperature Airflow None 100 lfpm 200 lfpm 400 lfpm 600 lfpm Note that ambient air temperature ...