VSC8169QR VITESSE [Vitesse Semiconductor Corporation], VSC8169QR Datasheet
VSC8169QR
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VSC8169QR Summary of contents
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Preliminary Data Sheet VSC8169 Features • 16:1 Multiplexer Up to 2.7Gb/s • Targeted for SONET OC-48 / SDH STM-16 (FEC) Applications • Differential LVPECL Low-Speed Interface General Description The VSC8169 is a 16:1 multiplexer with integrated clock generator for use ...
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OC-48 (FEC) 16:1 SONET/SDH MUX with Clock Generator Functional Description Low-Speed Interface The Upstream Device should use the CLK16O as the timing source for its final output latch (see Figure 1). The Upstream Device should then generate a CLK16I that ...
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Preliminary Data Sheet VSC8169 PLL locked to reference clock. Minimum 5 CLK16 cycles RESET Holding RESET “low” for a minimum of 5 CLK16 cycles, then setting “high” enables FIFO operation. Holding RESET constantly “low” bypasses the FIFO for transparent mode ...
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OC-48 (FEC) 16:1 SONET/SDH MUX with Clock Generator Figure 5: AC Termination of CLK16O+/-, REFCLKO+/- VSC8169 High-Speed Data and Clock Output The high-speed data and clock output drivers consist of a differential pair designed to drive a 50 transmis- sion ...
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Preliminary Data Sheet VSC8169 The customer can select to provide either a 77.76MHz (up to 84.38MHz- FEC) reference (recommended), or the 2x of that reference, 155.52MHz (up to 168.75MHz-FEC). REF_FREQSEL is used to select the desired reference frequency. REF_FREQSEL = ...
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OC-48 (FEC) 16:1 SONET/SDH MUX with Clock Generator Supplies The VSC8169 is specified as a LVPECL device with a single positive 3.3V supply. Should the user desire to use the device in an ECL environment with a negative 3.3V supply, ...
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Preliminary Data Sheet VSC8169 AC Characteristics Figure 9: Parallel Input Data and Clock Timing Waveform CLK16I+ Parallel Data Clock Input TXIN[0:15]+, TXPRTYIN Parallel Data Inputs CLK16O+ Parallel Data Clock Output Figure 10: Serial Data and Clock Output Phase Timing Waveform ...
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OC-48 (FEC) 16:1 SONET/SDH MUX with Clock Generator Table 1: AC Characteristics Parameters Description Data setup time to the rising t DSU edge of CLK16I+ Data hold time after the rising t DH edge of CLK16 DO± rise ...
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Preliminary Data Sheet VSC8169 Table 2: DC Characteristics Parameters Description V Output HIGH voltage (DO) OH(DO) V Output LOW voltage (DO) OL(DO) Data output differential voltage V OD(DO) (DO) CLK output differential voltage V OCLK(CLKO) (CLKO) V Output common-mode voltage ...
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OC-48 (FEC) 16:1 SONET/SDH MUX with Clock Generator Figure 12: Parametric Measurement Information PECL Rise and Fall Time T r Absolute Maximum Ratings Power Supply Voltage, (V )..........................................................................................................-0.5V to +3. Input Voltage (Differential inputs)....................................................................................-0. Input ...
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Preliminary Data Sheet VSC8169 Package Pin Descriptions VCC 4 VEEP_CLK 5 VEEP_CLK 6 7 VEEP_CLK 8 VCC 9 CLKO+ CLKO- 10 VCC 11 VCC VEE 15 VEE 16 VEE ...
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OC-48 (FEC) 16:1 SONET/SDH MUX with Clock Generator Table 3: Package Pin Identification Pin # Name I — — — 4 VCC — 5 VEEP_CLK — 6 VEEP_CLK — 7 VEEP_CLK — 8 VCC ...
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Preliminary Data Sheet VSC8169 Pin # Name I — — — 38 REF_FREQSEL I 39 VCC — 40 VEE — FIFO_WARN 42 VEE — 43 VCC — 44 RESET ...
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OC-48 (FEC) 16:1 SONET/SDH MUX with Clock Generator Pin # Name I/O 69 VEE — VCC — VCC — ...
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Preliminary Data Sheet VSC8169 Pin # Name I/O 104 NC — 105 D14- I 106 D14+ I 107 VCC — 108 D15- I 109 D15+ I 110 VEE — 111 NC — 112 NC — 113 NC — 114 NC ...
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OC-48 (FEC) 16:1 SONET/SDH MUX with Clock Generator Package Information PIN 128 PIN 1 EXPOSED INTRUSION 0.127 MAX. EXPOSED HEATSINK PIN 38 10 TYP TYP. Notes: 1) Drawing is not to scale 2) All dimensions ...
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Preliminary Data Sheet VSC8169 Thermal Considerations This package 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 in ...
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OC-48 (FEC) 16:1 SONET/SDH MUX with Clock Generator The results of this calculation are listed below: Table 6: Maximum Ambient Air Temperature without Heatsink Airflow Max Ambient Tempeature ( None 100 lfpm 200 lfpm 400 lfpm 600 lfpm Note that ...