# # JTAG Comps # # Key In Components File for the Hub Module # -------------------------------------------- # # # Original Rev. 19-Nov-2015 # Most Recent Rev. 5-Dec-2016 # # # This file holds all of the JTAG and associated components. # # # Most of the JTAG components have reference Designators # in the range of x551 through x599. # # - The caps are up at C294x because the whole lower # range is used by the GTH Fanout caps. # # - The jumpers are at 1 and 2. # # # JTAG and Associated Components # # # Board_Location # Ref Part_Number Symbol Geometry X Y Properties #----- ----------- ------ ------------------ -------------- ---------- # # # JTAG Input and Output 3V3 to 1V8 Translators # # located near the front panel J2 "Access" connector. # U554 IC_74AVCH8T245 SY_JUNK tssop_24 13.00 46.00 2 0 U555 IC_74AVCH2T45 SY_JUNK ssop_8 43.50 274.50 2 90 # # Default Input Pull-Up Resistors, Series Terminator Resistors, # # and ByPass capacitors located with the Translators near J2. # R581 Res_4.99k_Ohm_0603 SY_JUNK res_0603 11.00 44.00 1 0 R582 Res_4.99k_Ohm_0603 SY_JUNK res_0603 11.00 46.00 1 0 R583 Res_4.99k_Ohm_0603 SY_JUNK res_0603 11.00 48.00 1 0 R584 Res_22_Ohm_0603 SY_JUNK res_0603 23.00 42.00 2 0 R585 Res_22_Ohm_0603 SY_JUNK res_0603 23.00 44.00 2 0 R586 Res_22_Ohm_0603 SY_JUNK res_0603 23.00 46.00 2 0 R587 Res_22_Ohm_0603 SY_JUNK res_0603 23.00 48.00 2 0 R588 Res_22_Ohm_0603 SY_JUNK res_0603 23.00 50.00 2 0 R590 Res_22_Ohm_0603 SY_JUNK res_0603 23.00 52.00 2 180 C2941 Cap_100_nFd_0603 SY_JUNK cap_0603 13.00 52.00 2 0 C2942 Cap_220_nFd_0603 SY_JUNK cap_0603 13.00 40.00 2 0 C2943 Cap_220_nFd_0603 SY_JUNK cap_0603 43.50 277.50 2 0 C2944 Cap_100_nFd_0603 SY_JUNK cap_0603 43.50 271.50 2 0 # # Fuse for the JTAG Reference Power on pin #2 of front panel connector J2 # # located on side 1 near J2. # F7 Fuse_SMD_3A SY_JUNK Fuse_SMD 6.50 35.00 1 0 # # Now include the components that are located near the MegArray # Connectors. These components include: # # Multiplexer chip and its ByPass Capacitors # Series Terminator Resistor for the data out of this Mux # Pull-Up Resistor for the ROD_Present_B signal from the ROD # U556 IC_NC7SV157 SY_JUNK sc70_6 179.00 283.50 2 0 U557 IC_NC7SV08 SY_JUNK SC70_5 186.00 286.00 2 90 C2945 Cap_100_nFd_0603 SY_JUNK cap_0603 178.20 287.00 2 0 C2946 Cap_220_nFd_0603 SY_JUNK cap_0603 178.20 289.50 2 0 C2947 Cap_100_nFd_0603 SY_JUNK cap_0603 187.80 283.00 2 180 R589 Res_22_Ohm_0603 SY_JUNK res_0603 172.00 284.00 2 180 R591 Res_10k_Ohm_0603 SY_JUNK res_0603 172.00 280.00 2 180 R593 Res_22_Ohm_0603 SY_JUNK res_0603 193.00 285.00 2 180 # # Now include the components that are located near the Hub's FPGA. # These components include: # # JMP1, JMP2 to skip JTAG around the Hub's FPGA # Isolation Resistor for the ROD_Present_B signal to the Hub's FPGA # JMP1 Res_Zero_Ohm_0603 SY_JUNK res_0603 174.50 178.00 1 270 JMP2 Res_Zero_Ohm_0603 Not_Installed res_0603_1sb 172.50 178.00 1 270 R592 Res_470_Ohm_0603 SY_JUNK res_0603 172.00 277.00 2 0