ROCK Description ------------------------- Original Rev. 23-DEC-1996 Most Recent Rev. 23-MAY-1997 General Description: The Rock circuit board is mounted in the dewar and holds the TCM2620 array. For details about the various pins on the Rockwell 2620 see the file in the directory one setup up called Rockwell_2620.txt Circuit Connections on the Rock to the two MDM-21 connectors: ------------------------------------------------------------ J2 Analog Connector J3 Digital Connector -------------------------------- -------------------------------- Pin Pin Num Function Num Function --- -------------------------- --- -------------------------- 1 Analog Output #4 1 spare digital connector via 12 Analog Ground 12 Digital Ground 2 Analog Output #3 2 CAPBSWB Digital Control Signal 13 Analog Ground 13 Digital Ground 3 Analog Output #2 3 spare digital connector via 14 Analog Ground 14 Digital Ground 4 Analog Output #1 4 Master Clock Signal 15 Analog Ground 15 Digital Ground 5 spare analog connector via 5 spare digital connector via 16 Analog Ground 16 Digital Ground 6 VClamp Raw Supply Voltage 6 Integrate Clock Signal 17 Analog Ground 17 Digital Ground 7 spare analog connector via 7 spare digital connector via 18 Analog Ground 18 Digital Ground 8 Analog +5 Volt Supply 8 Mode Digital Control Signal 19 Analog Ground 19 Digital Ground 9 spare analog connector via 9 spare digital connector via 20 Analog Ground 20 Digital Ground 10 DSub Detector Substrate Supply 10 +5 Volt Digital Supply 21 Analog Ground 21 Digital Ground 11 spare analog connector via 11 spare digital connector via Rock Connections to the TCM-2620 -------------------------------- LCC TCM-2620 Pin Pin Name Num. Connection on the Rock Card --------------- ---- ---------------------------------------------- Thermal Ground 1 Thermal Gnd Plane LineChk 2 Logic Test Via TFSyncB 3 Logic Test Via TColRstB 4 Logic Test Via TPhi1 5 Logic Test Via TPhi2 6 Logic Test Via Thermal Ground 7 Thermal Gnd Plane Thermal Ground 8 Thermal Gnd Plane Thermal Ground 9 Thermal Gnd Plane Thermal Ground 10 Thermal Gnd Plane TVClk 11 Logic Test Via FrameChk 12 Logic Test Via Thermal Ground 13 Thermal Gnd Plane TRst 14 Logic Test Via TISHRst 15 Logic Test Via TISHB 16 Logic Test Via Thermal Ground 17 Thermal Gnd Plane . . . . . . Thermal Ground 34 Thermal Gnd Plane AmpHi 35 +5 V Analog Power and Bypass Ceramic + Tantalum MuxSub 36 Analog Ground Plane CapBSwB 37 Digital Control Input 100 Ohm + 0.1 uFd Filter DSub 38 Analog Control Input RC Filter Temp1 39 Analog Test Via Temp2 40 Analog Test Via CellBias 41 Analog Test Via ColBiasN 42 Analog Test Via Thermal Ground 43 Thermal Gnd Plane Thermal Ground 44 Thermal Gnd Plane AutoBias 45 Analog Setup Via then to Analog Gnd Plane Mirror 46 Analog Setup Via floating ColBias 47 Analog Test Via SlowBias 48 Analog Test Via Cascode 49 Analog Test Via ColBiasP 50 Analog Test Via Thermal Ground 51 Thermal Gnd Plane Thermal Ground 52 Thermal Gnd Plane ColHi 53 +5 V Analog Power and Bypass Ceramic + Tantalum ColLo 54 Analog Ground Plane VClamp 55 Analog Control Input RC Filter ABAmpHi 56 +5 V Analog Power and Bypass Ceramic + Tantalum Out1 57 Output through a 100 Ohm resistor Out2 58 Output through a 100 Ohm resistor Out3 59 Output through a 100 Ohm resistor Out4 60 Output through a 100 Ohm resistor Thermal Ground 61 Thermal Gnd Plane Clock 62 Digital Clock Input Int 63 Digital Clock Input Mode 64 Digital Control Input 100 Ohm + 0.1 uFd Filter Vss 65 Digital Ground Plane Vdd 66 +5 V Digital Power and Bypass Ceramic + Tantalum Thermal Ground 67 Thermal Gnd Plane Thermal Ground 68 Thermal Gnd Plane General Layout of the ROCK --------------------------- +-------------------------------------------------+ | | | | | +-----------------------------+ | | | | | | | | | | | | | | | | | | | J1 | | | | | | | | | | | | | | | | o | | | | | | | +-----------------------------+ | | | | | | +----------------+ +----------------+ | | | J2 Connector o| | J3 Connector o| | +----+----------------+-----+----------------+----+ Analog Digital J1 AMP_641749-2 68 pin ceramic chip carrier socket The problem is that AMP stoped making the 641749-2. The next choice is a Yamamichi IC61-0684-064 The contact for this is Yamamichi in SanFransisco contact Renay Spencer 408-456-0797 x105 the Yamamichi distributor is El-Mech 773-794-9100 $13 each El-Mech Inc. 3511 North Cicero Ave. Chicago, IL 60641-3784 J2 21 pin ITT Connector MDM21SBR Analog Connector J3 21 pin ITT Connector MDM21PBR Digital Connector The ROCK is designed via Mentor key-in COMP and NETS files.