VSC838UG VITESSE [Vitesse Semiconductor Corporation], VSC838UG Datasheet
VSC838UG
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VSC838UG Summary of contents
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Preliminary Data Sheet VSC838 Features • 36 Input by 37 Output Crosspoint Switch • 3.2Gb/s NRZ Data Bandwidth • Non-Blocking Architecture Broadcast and Multicast Capabilities • LVTTL/2.5V CMOS Control I/O (3.3V tolerant) • Input Signal Activity Monitoring Function • Integrated ...
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Crosspoint Switch Functional Block Diagram A, AN[0:35] CONFIG INIT Page 2 © VITESSE SEMICONDUCTOR CORPORATION • 741 Calle Plano • Camarillo, CA 93012 Tel: (800) VITESSE • FAX: (805) 987-5896 • Email: prodinfo@vitesse.com VITESSE SEMICONDUCTOR CORPORATION 36 x ...
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Preliminary Data Sheet VSC838 Functional Description Input / Output Characteristics All input data must be differential and should be nominally biased to +2.0V or AC-coupled. Other levels are allowed as described under the Input Termination section. On-chip terminations are provided, ...
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Crosspoint Switch Serial Read-Back Read-back of the program memory contents is accomplished in serial mode by setting the ALE_SCN pin HIGH. This will serially shift out the contents of the main latches in the program memories, slice 36 ...
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Preliminary Data Sheet VSC838 AC Characteristics Table 1: Data Path Parameter f Maximum data rate RATE T Channel-to-channel delay skew SKW T Propagation Delay from an A input output PDAY High-speed input rise/fall times, ...
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Crosspoint Switch Figure 1: Parallel Mode -- Separate Address/Data (leave ALE_SCN pin HIGH) OUTCHAN[5:0] INCHAN[5:0] LOAD CS T CONFIG sCS SERIAL Figure 2: Parallel Mode -- Multiplexed Address/Data INCHAN[5:0] Output Addr ALE_SCN LOAD CS T CONFIG sCS SERIAL ...
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Preliminary Data Sheet VSC838 Figure 3: Serial Mode (leave ALE_SCN pin LOW during programming) INCHAN0_SDIN Y5 INCHAN1_SCLK SDOUT T LOAD CS CONFIG SERIAL T sSERIAL ALE_SCN INCHAN1_SCLK SDOUT T sSERIAL SERIAL NOTE: The word pattern during serial read back will ...
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Crosspoint Switch DC Characteristics All characteristics are over the specified operating conditions. Table 3: Power Supply Requirements Parameter Description I V supply current CC CC Total chip power (with back-terminations ON, high drive) Table 4: ...
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Preliminary Data Sheet VSC838 I/O Equivalent Circuits 50 PAD H/S Input Equivalent Circuit Input Termination The high-speed inputs of the VSC838 are internally terminated by a 100 complement inputs. Termination resistors are isolated from each other on-chip. The termination will ...
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Crosspoint Switch Output Termination The high-speed outputs of the VSC838 are internally back terminated by 50 TERM_CTRL pin is HIGH. When this pin is LOW, the output driver functions as an open-drain CML driver. Setting DRIVE_CTRL LOW (GND) ...
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Preliminary Data Sheet VSC838 ...
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Crosspoint Switch Table 10: Package Pin Indentifications Signal Name Ball High-Speed Data Inputs A0, AN0 D23, E23 A1, AN1 AH23, AJ23 A2, AN2 B23, A23 A3, AN3 AF23, AE23 A4, AN4 D21, E21 A5, AN5 AH21, AJ21 A6, ...
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Preliminary Data Sheet VSC838 Signal Name Ball High-Speed Data Outputs Y0, YN0 G28, G29 Y1, YN1 G4, G5 Y2, YN2 G26, G25 Y3, YN3 G2, G1 Y4, YN4 J28, J29 Y5, YN5 J4, J5 Y6, YN6 J26, J25 Y7, YN7 ...
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Crosspoint Switch Signal Name Ball Control Pins ACTCLK AD2 ACTIVITY AD1 ALE_SCN AD25 CMV AD3 CONFIG F27 CS AF6 DRIVE_CTRL AD4 INCHAN0 AG24 (SDIN) INCHAN1 AF24 (SCLK) INCHAN2 AH24 INCHAN3 AJ24 INCHAN4 AD27 INCHAN5 AD26 INIT AJ6 ITC ...
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Preliminary Data Sheet VSC838 Signal Name Ball Power Supplies D22, AH22, B22, AF22 D20, AH20, B20, AF20 D18, AH18, B18, AF18 D16, AH16, B16, AF16 D14, AH14, B14, AF14 D12, AH12, B12, AF12 D10, AH10, B10, AF10 D8, AH8, B8, ...
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Crosspoint Switch Signal Name Ball A1, A2, A3, A4, A5 B1, B2, B3, B4, B5 C1, C2, C3, C4, C5 D1, D2, D3, D4, D5 E1, E2, E3, E4, E5 A25, A26, A27, A28, A29 B25, B26, B27, ...
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Preliminary Data Sheet VSC838 Signal Name Ball VEEP_B6 AG11 VEEP_B7 AG9 VEEP_L0 G3 VEEP_L1 J3 VEEP_L2 L3 VEEP_L3 N3 VEEP_L4 U3 VEEP_L5 W3 VEEP_L6 AA3 VEEP_L7 AC3 VEEP_R0 G27 VEEP_R1 J27 VEEP_R2 L27 VEEP_R3 N27 VEEP_R4 U27 VEEP_R5 W27 VEEP_R6 ...
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Crosspoint Switch Package Information - 37.5mm 480 BGA Page 18 © VITESSE SEMICONDUCTOR CORPORATION • 741 Calle Plano • Camarillo, CA 93012 Tel: (800) VITESSE • FAX: (805) 987-5896 • Email: prodinfo@vitesse.com VITESSE SEMICONDUCTOR CORPORATION 00. ...
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Preliminary Data Sheet VSC838 Ordering Information The order number for this product is formed by a combination of the device type and package type. Device Type OC-48 36x37 Crosspoint Switch Notice Vitesse Semiconductor Corporation (“Vitesse”) provides this document for informational ...
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Crosspoint Switch Page 20 © VITESSE SEMICONDUCTOR CORPORATION • 741 Calle Plano • Camarillo, CA 93012 Tel: (800) VITESSE • FAX: (805) 987-5896 • Email: prodinfo@vitesse.com VITESSE SEMICONDUCTOR CORPORATION Internet: www.vitesse.com Preliminary Data Sheet VSC838 G52351-0, Rev 3.0 ...