# # Didsco-Kraken Components File # ----------------==========------- # # # SFP Associated Comps # ------------------=====-- # # # Original Rev. 10-Dec-2023 # Most Recent Rev. 22-Dec-2023 # # # This file holds the Components for: # # SFP Associated Including CPU I2C Controller 0 Comps # --------------------------------------------------------- # # # The SFPs plug into connectors J13 and J14. # UNITS MM # # Board_Location # Ref Part_Number Symbol Geometry X Y Properties #----- ----------- ------ ------------------ -------------- ---------- # # # Pull-Up Resistors for: Tx Fault, Mod Present, Rx Loss, I2C # ------------------------------------------------------------------- # # Timing J13 SFP R1601 Res_4.7k_Ohm_0603 SY_JUNK Res_0603 165.0 45.5 2 90 # Rx_Loss 8 R1602 Res_4.7k_Ohm_0603 SY_JUNK Res_0603 162.5 45.5 2 90 # Present 6 R1603 Res_4.7k_Ohm_0603 SY_JUNK Res_0603 160.0 45.5 2 90 # I2C SCLK 5 R1604 Res_4.7k_Ohm_0603 SY_JUNK Res_0603 157.5 45.5 2 90 # I2C SDATA 4 R1605 Res_4.7k_Ohm_0603 SY_JUNK Res_0603 155.0 45.5 2 90 # Tx_Fault 2 # Ethernet J14 SFP R1606 Res_4.7k_Ohm_0603 SY_JUNK Res_0603 150.5 45.5 2 90 # Rx_Loss 8 R1607 Res_4.7k_Ohm_0603 SY_JUNK Res_0603 148.0 45.5 2 90 # Present 6 R1608 Res_4.7k_Ohm_0603 SY_JUNK Res_0603 145.5 45.5 2 90 # I2C SCLK 5 R1609 Res_4.7k_Ohm_0603 SY_JUNK Res_0603 143.0 45.5 2 90 # I2C SDATA 4 R1610 Res_4.7k_Ohm_0603 SY_JUNK Res_0603 140.5 45.5 2 90 # Tx_Fault 2 # # Series Terminator Resistors for the: Tx Enable signals # -----------------------------------------=========------------ # R1615 Res_22_Ohm_0603 SY_JUNK Res_0603 153.3 55.5 2 90 R1616 Res_22_Ohm_0603 SY_JUNK Res_0603 151.2 55.5 2 90 # # SFP Tx Disable signals generation components: # -------==========----------------------------------- # # # NOTE: The SFP Module itself has a HI Active TX Disable # input pin. # # For the DK Board we need the option that the SFP Tx # is Enabled IFF DK_CPU_Is_Sane AND SFP_x_Tx_Enable # are both asserted HI. This is needed for any "PON" # type operation were we do not want to risk having an # SFP Tx Laser get stuck ON in a module with a # non-operating FPGA/CPU. # # The intent here is that both DK_CPU_Is_Sane AND # SFP_x_Tx_Enable must both be asserted HI to allow # the Tx Laser to turn ON. Note that the control # signal is a Hi active ENABLE signal. # U1602 74LVC00A SY_JUNK soic_14 130.5 11.0 2 0 C1615 Cap_100_nFd_25_V_0603 SY_JUNK Cap_0603 130.5 4.0 2 0 JMP1601 JUMPER_0603 SY_JUNK Res_0603 168.0 54.0 2 90 JMP1602 JUMPER_0603 SY_JUNK Res_0603 168.0 45.5 2 90 JMP1603 JUMPER_0603 SY_JUNK Res_0603 136.5 51.5 2 90 JMP1604 JUMPER_0603 SY_JUNK Res_0603 136.5 48.0 2 90 # # I2C Fan-Out CPU I2C Controller 0 for both SFPs and the Timing Generator # -------------------------------------------------------------------------------- # U1601 PCA9546A SY_JUNK soic_16 153.5 34.0 2 0 # Pull-Ups for the FPGA/CPU to I2C Fan-Out I2C Bus R1611 Res_4.7k_Ohm_0603 SY_JUNK Res_0603 141.5 33.5 2 90 R1612 Res_4.7k_Ohm_0603 SY_JUNK Res_0603 144.0 33.5 2 90 # Pull-Ups for the Un-Used Output from the I2C Fan-Out R1613 Res_4.7k_Ohm_0603 SY_JUNK Res_0603 141.5 39.5 2 90 R1614 Res_4.7k_Ohm_0603 SY_JUNK Res_0603 144.0 39.5 2 90 # The Pull-Up on the I2C Bus between this I2C Fan-Out and the # Timing Generator are in the comps file for the Timing Generator. # Power Supply Bypass Capacitors for this I2C Fanout C1613 Cap_22_uFd_10_V_1206 SY_JUNK cap_1206 164.5 34.0 2 90 C1614 Cap_100_nFd_25_V_0603 SY_JUNK Cap_0603 161.0 38.8 2 0 # # Power Feed to the SFP Connectors: # --------------------------------------------------- # # Timing J13 SFP L1602 Wurth_742792116 SY_JUNK Wurth_1206_Ind 155.95 55.5 2 90 C1602 Cap_22_uFd_10_V_1206 SY_JUNK cap_1206 158.35 55.3 2 90 C1601 Cap_100_nFd_25_V_0603 SY_JUNK Cap_0603 160.65 54.6 2 90 L1601 Wurth_742792116 SY_JUNK Wurth_1206_Ind 162.75 55.5 2 90 C1608 Cap_100_nFd_16_V_0402 SY_JUNK Cap_0402 157.35 65.9 2 90 C1607 Cap_100_nFd_16_V_0402 SY_JUNK Cap_0402 158.55 65.9 2 90 C1606 Cap_100_nFd_16_V_0402 SY_JUNK Cap_0402 159.75 65.9 2 90 C1605 Cap_100_nFd_16_V_0402 SY_JUNK Cap_0402 160.95 65.9 2 90 # ENet J14 SFP L1604 Wurth_742792116 SY_JUNK Wurth_1206_Ind 141.7 55.5 2 90 C1604 Cap_22_uFd_10_V_1206 SY_JUNK cap_1206 144.1 55.3 2 90 C1603 Cap_100_nFd_25_V_0603 SY_JUNK Cap_0603 146.4 54.6 2 90 L1603 Wurth_742792116 SY_JUNK Wurth_1206_Ind 148.5 55.5 2 90 C1612 Cap_100_nFd_16_V_0402 SY_JUNK Cap_0402 143.1 65.9 2 90 C1611 Cap_100_nFd_16_V_0402 SY_JUNK Cap_0402 144.3 65.9 2 90 C1610 Cap_100_nFd_16_V_0402 SY_JUNK Cap_0402 145.5 65.9 2 90 C1609 Cap_100_nFd_16_V_0402 SY_JUNK Cap_0402 146.7 65.9 2 90