VSC7126QX Vitesse Semiconductor Corp., VSC7126QX Datasheet
VSC7126QX
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VSC7126QX Summary of contents
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Datasheet VSC7126 Features • ANSI X3T11 Fibre Channel Compatible 1.0625 Gbps Full-duplex Transceiver • GLM Compatible (FCSI-301-Rev 1.0) • 20 Bit TTL Interface For Transmit And Receive Data • Monolithic Clock Synthesis And Clock Recovery - No External Components • ...
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Gbits/sec Fibre Channel Transceiver Functional Description Clock Synthesizer: The VSC7126 clock synthesizer multiplies the 53.125 MHz reference frequency provided on the TBC pin achieve a baud rate clock at nominally 1.0625 GHz. The clock synthesizer contains ...
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Datasheet VSC7126 by the adjoining protocol logic on the falling edge of RBC(0). In order to maximize the setup and hold times available at this interface, the parallel data is loaded into the output register at a point nominally midway ...
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Gbits/sec Fibre Channel Transceiver Figure 2: Detection of a Properly Aligned Comma Character RBC(0) COM_DET R0:9 R10:19 TChar: 10 bit Transmission Character Figure 3: Detection and Resynchronization of an Improperly Aligned Comma Receiving Two Consecutive K28.5+TChar Transmission Words RBC(0) ...
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Datasheet VSC7126 AC Characteristics TBC T0:19 Data Valid 20 Bit Data Table 1: Transmit AC Characteristics Parameters Description T0:19 Setup time to the T 1 rising edge of TBC T0:19 hold time after the T 2 rising edge of TBC ...
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Gbits/sec Fibre Channel Transceiver RBC(0) RBC(1) R0:19 & Data Valid COM_DET LUNUSE Table 2: Receive AC Characteristics Parameters Description Data or COM_DET Valid T 1 prior to RBC(0) fall Data or COM_DET Valid T 2 after RBC(0) fall Deviation ...
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Datasheet VSC7126 TBC Table 3: Reference Clock Requirements Parameters Description FR Frequency Range FO Frequency Offset T ,T Pulse Width, Low / High TBC duty cycle T ,T TBC rise and fall time RCR RCF Total jitter ...
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Gbits/sec Fibre Channel Transceiver DC Characteristics Parameters Description V Output HIGH voltage (TTL Output LOW voltage (TTL) OL Serial Output voltage V differential peak-to-peak swing OUT75 (TX+/TX-) Serial Output voltage V differential peak-to-peak swing OUT50 (TX+/TX-) Serial ...
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Datasheet VSC7126 Figure 7: Parametric Measurement Information Serial Input Rise and Fall Time T r Receiver Input Eye Diagram Jitter Tolerance Mask Serial Output Load G52148-0, Rev. 4.3 3/4/99 741 Calle Plano, Camarillo, CA 93012 • ...
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Gbits/sec Fibre Channel Transceiver Figure 8: Transmitter Jitter Measurement Method BERT Pattern Generator CLK = 1.0625 GHz DATA = 00000 0000011111 11111 RJ -K28.7 -K28.7 0011111000 0011111000 Random jitter (RJ) measurements performed according to Fibre Channel 4.3 Annex A, ...
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Datasheet VSC7126 Input Structures INPUT INPUT INPUT G52148-0, Rev. 4.3 3/4/99 741 Calle Plano, Camarillo, CA 93012 • 805/388-3700 • FAX: 805/987-5896 VITESSE SEMICONDUCTOR CORPORATION Figure 9: Input Structures V +3 Current Limit R R GND TBC and ...
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Gbits/sec Fibre Channel Transceiver Package Pin Descriptions Table 4: Pin Identification Pin # Name 2,4,6,9,11,14, 16,18,20,23,3, T0:19 5,8,10,12,15, 17,19,22,24 31 TBC 79 TX+ 77 TX- Page 12 741 Calle Plano, Camarillo, CA 93012 • 805/388-3700 • FAX: 805/987-5896 VITESSE ...
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Datasheet VSC7126 Pin # Name 65,63,59,57, 55,52,50,48, 45,43,64,62, R0:19 58,56,54,51, 49,47,44,42 34 EWRAP 70 RX+ 69 RX- 39 RBC(0) 38 RBC(1) 27 EN_CDET 37 COMDET 35 TXEN# 66 LUNUSE 26 TEST1 28 TEST2 29 TEST3 1,21,30,68,72 VSS 40,41,60,61 VSST 74 ...
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Gbits/sec Fibre Channel Transceiver Package Information TYP A 10 TYP K NOTES: Drawing not to scale. All units in mm unless otherwise noted. Page 14 741 Calle Plano, Camarillo, CA 93012 • ...
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Datasheet VSC7126 Package Thermal Characteristics The VSC7126 is packaged PQFP with an integrated heat spreader. These packages use indus- try-standard EIAJ footprints, but have been enhanced to improve thermal dissipation. The construction of the packages is ...
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Gbits/sec Fibre Channel Transceiver Ordering Information The order number for this product is formed by a combination of the device number, and package type. Device Type VSC7126: 1.0625 Gbps Transceiver Package Style QX: 80-pin PQFP ...