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VSC8113 датащи(PDF) 18 Page - Vitesse Semiconductor Corporation |
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VSC8113 датащи(HTML) 18 Page - Vitesse Semiconductor Corporation |
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18 / 28 page ![]() VITESSE SEMICONDUCTOR CORPORATION Data Sheet VSC8113 ATM/SONET/SDH 622 Mb/s Transceiver Mux/Demux with Integrated Clock Generation and Clock Recovery Page 18 © VITESSE SEMICONDUCTOR CORPORATION G52154-0, Rev 4.2 741 Calle Plano, Camarillo, CA 93012 • 805/388-3700 • FAX: 805/987-5896 3/19/99 VDD 31 +3.3V +3.3V Power Supply N/C 32 No connection RX50MCK 33 O TTL Constant 51.84MHz ref clock output, derived from the CMU VSS 34 GND Ground RXOUT0 35 O TTL Receive output data bit0 RXOUT1 36 O TTL Receive output data bit1 VSS 37 GND Ground RXOUT2 38 O TTL Receive output data bit2 RXOUT3 39 O TTL Receive output data bit3 VSS 40 GND Ground RXOUT4 41 O TTL Receive output data bit4 RXOUT5 42 O TTL Receive output data bit5 VSS 43 GND Ground RXOUT6 44 O TTL Receive output data bit6 RXOUT7 45 O TTL Receive output data bit7 VSS 46 GND Ground RXLSCKOUT 47 O TTL Receive byte clock output FP 48 O TTL Frame detection pulse VDD 49 +3.3V +3.3V Power Supply LOSOUT 50 O TTL Loss of Signal alarm indicator CRUREFCLK 51 I TTL Optional external CRU reference clock @77.76MHz LOSTTL 52 I TTL Loss of Signal Control - TTL input LOSPECL 53 I PECL Loss of Signal Control- Single ended PECL input VDD 54 +3.3V +3.3V Power Supply VSS 55 GND Ground REFCLK 56 I TTL Reference clock input, refer to table 12 LOOPTIM1 57 I TTL Enable loop timing operation; active HIGH VDD 58 +3.3V +3.3V Power Supply VSSA 59 GND Analog Ground (CMU) VSSA 60 GND Analog Ground (CMU) N/C 61 No connection VDDA 62 +3.3V Analog Power Supply (CMU) CP1 63 Analog CMU external capacitor (see Figure 6, and Table 1) Table 17: Pin Definitions Signal Pin I/O Level Pin Description |
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