VSC8117QP Vitesse Semiconductor Corp., VSC8117QP Datasheet
VSC8117QP
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VSC8117QP Summary of contents
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Data Sheet VSC8117 Features • Operates at Either STS-3/STM-1 (155.52Mb/s) or STS-12/STM-4 (622.08Mb/s) Data Rates • Compatible with Industry ATM UNI Devices • On Chip Clock Generation of the 155.52MHz or 622.08MHz High Speed Clock (Mux) • On Chip Clock ...
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ATM/SONET/SDH 622/155 Mb/s Transceiver Mux/Demux with Integrated Clock Generation and Clock Recovery CRU clock and data signals. (In this mode the VSC8117 operates just like the VSC8111 and VSC8116). The receive section also contains a SONET/SDH frame detector circuit which ...
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Data Sheet VSC8117 Transmit Section Byte-wide data is presented to TXIN[7:0] and is clocked into the part on the rising edge of TXLSCKOUT. TXLSCKOUT also latches TXIN[7:0] into the part as shown in Figure 1. The data is then serialized ...
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ATM/SONET/SDH 622/155 Mb/s Transceiver Mux/Demux with Integrated Clock Generation and Clock Recovery Loss of Signal The VSC8117 features Loss of Signal (LOS) detection. Loss of Signal is declared if the incoming serial data stream has no transition continuously for more ...
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Data Sheet VSC8117 RXDATAIN CRU Recovered Clock RXCLKIN TXDATAOUT FACLOOP Equipment Loopback The Equipment Loopback function is controlled by the EQULOOP signal. When the EQULOOP signal is set high, the Equipment Loopback mode is activated and the high speed transmit ...
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ATM/SONET/SDH 622/155 Mb/s Transceiver Mux/Demux with Integrated Clock Generation and Clock Recovery Split Loopback Equipment and facility loopback modes can be enabled simultaneously. In this case, high-speed serial data received (RXDATAIN) is mux’d through to the high-speed serial output (TXDATAOUT). ...
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Data Sheet VSC8117 Good analog design practices should be applied to the board design for these external components. Tightly controlled analog ground and power planes should be provided for the PLL portion of the circuitry. The dedi- cated PLL power ...
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ATM/SONET/SDH 622/155 Mb/s Transceiver Mux/Demux with Integrated Clock Generation and Clock Recovery Clock Recovery The fully monolithic Clock Recovery Unit (CRU) consists of a Phase Detector, a Frequency Detector, a Loop Filter and a Voltage Controlled Oscillator (VCO). The phase ...
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Data Sheet VSC8117 AC Timing Characteristics Figure 8: Receive High Speed Data Input Timing Diagram RXCLKIN+ RXCLKIN- RXDATAIN+ RXDATAIN- Table 2: Receive High Speed Data Input Timing Table (STS-12 Operation) Parameter T Receive clock period RXCLK T Serial data setup ...
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ATM/SONET/SDH 622/155 Mb/s Transceiver Mux/Demux with Integrated Clock Generation and Clock Recovery Table 4: Transmit Data Input Timing Table (STS-12 Operation) Parameter T Transmit data output byte clock period CLKOUT T Transmit data setup time with respect to TXLSCKOUT INSU ...
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Data Sheet VSC8117 Table 7: Receive Data Output Timing Table (STS-3 Operation) Parameter T Receive clock period RXCLKIN T Receive data output byte clock period RXLSCKT Time data on RXOUT [7:0] and FP is valid before and T RXVALID after ...
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ATM/SONET/SDH 622/155 Mb/s Transceiver Mux/Demux with Integrated Clock Generation and Clock Recovery Table 11: Clock Multiplier Unit Performance Name RCd Reference clock duty cycle RCj Reference clock jitter (RMS) @ 77.76 MHz ref RCj Reference clock jitter (RMS) @ 19.44 ...
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Data Sheet VSC8117 Table 13: PECL and TTL Inputs and Outputs Parameters Description Differential V Output Voltage OUT50 (PECL) Input HIGH V IH voltage (PECL) Input LOW V IL voltage (PECL) Differential Input V IN Voltage (PECL) I/P Common V ...
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ATM/SONET/SDH 622/155 Mb/s Transceiver Mux/Demux with Integrated Clock Generation and Clock Recovery Absolute Maximum Ratings Power Supply Voltage (V ) Potential to GND .................................................................................-0.5V to +4V DD PECL I/O Supply Voltage (V DDP DC Input Voltage (PECL inputs).......................................................................................... -0.5V to ...
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Data Sheet VSC8117 Package Pin Descriptions Table 15: Pin Identification Signal Pin RESET 1 LOOPTIM0 2 CMUFREQSEL 3 VDDP 4 TXDATAOUT+ 5 TXDATAOUT- 6 LOSDETEN_ 7 RXCLKIN+ 8 RXCLKIN- 9 VDDP 10 OOF 11 DSBLCRU 12 RXDATAIN+ 13 RXDATAIN- 14 ...
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ATM/SONET/SDH 622/155 Mb/s Transceiver Mux/Demux with Integrated Clock Generation and Clock Recovery Table 15: Pin Identification Signal Pin LOSPECL 33 VDD 34 VSS 35 REFCLK 36 VSSA 37 VDDA 38 CP1 39 CN1 40 CN2 41 CP2 42 VDDA 43 ...
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Data Sheet VSC8117 Package Information 64 Pin PQFP Package Drawings TYP G52221-0, Rev. 4.1 1/8/00 741 Calle Plano, Camarillo, CA 93012 • 805/388-3700 • FAX: 805/987-5896 VITESSE ...
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ATM/SONET/SDH 622/155 Mb/s Transceiver Mux/Demux with Integrated Clock Generation and Clock Recovery Package Thermal Characteristics The VSC8117 is packaged into a thermally-enhanced plastic quad flatpack (PQFP). This package adheres to the industry-standard EIAJ footprint for a 10x10mm body but has ...
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... Commercial Temperature ambient case VSC8117QP1 622Mb/s Mux/Dmux with CMU and CRU in 64 Pin PQFP Extended Temperature ambient to 115 C case VSC8117QP2 622Mb/s Mux/Dmux with CMU and CRU in 64 Pin PQFP Industrial Temperature, -40 C ambient case Notice Vitesse Semiconductor Corporation reserves the right to make changes in its products specifications or other information at any time without prior notice ...
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ATM/SONET/SDH 622/155 Mb/s Transceiver Mux/Demux with Integrated Clock Generation and Clock Recovery Application Notes DC Coupling and Terminating High-speed PECL I/Os The high speed signals on the VSC8117 (RXDATAIN, RXCLKIN, TXDATAOUT, REFCLKP, LOSPECL) use 3.3/5V programmable PECL I/Os which can ...
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Data Sheet VSC8117 Ground Planes The ground plane for the components used in the High Speed interface should be continuous and not sec- tioned in an attempt to provide isolation to various components. Sectioning of the ground planes tends to ...
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ATM/SONET/SDH 622/155 Mb/s Transceiver Mux/Demux with Integrated Clock Generation and Clock Recovery V +3 INPUT R R GND REFCLK and TTL Inputs Page 22 741 Calle Plano, Camarillo, CA 93012 • 805/388-3700 • FAX: 805/987-5896 VITESSE SEMICONDUCTOR CORPORATION ...