AT&T 3B2/300 Technical Reference Manual page 647

- - - - - - - - - - - - - - - - - Appendix: CONNECTOR AND CABLING INFORMATION
120-PIN CM523 MEMORY CARD EDGE CONNECTIONS
PIN
DESCRIPTION
FUNCTION
001 GROUND (GRD)
GROUND
002 +5v (VCC)
POWER
003
NOT USED
NC
004
NOT USED
NC
005
NOT USED
NC
006
NOT USED
NC
007 GROUND (GRD)
GROUND
008
GROUND (GRD)
GROUND
009 ROW ADDRESS STROBE (RAS(O])
INPUT
010 WRITE ENABLE (WE[O])
INPUT
011
GROUND (GRD)
GROUND
012 GROUND (GRD)
GROUND
013
MEMORY CYCLE ST A TUS G[O]
INPUT
014
BANK ENABLE 1 (BANKENl(O])
INPUT
015
BANK ENABLE 2 (BANKEN2(0])
INPUT
016 BANK ENABLE O (BANKENO(O])
INPUT
017 GROUND (GRD)
GROUND
018 GROUND (GRD)
GROUND
019 COLUMN ADDRESS STROBE 1 (CASl[O])
INPUT
020 COLUMN ADDRESS STROBE 3 (CAS3[0])
INPUT
021 COLUMN ADDRESS STROBE O (CASO[O])
INPUT
022
COLUMN ADDRESS STROBE 2 (CAS2[0])
INPUT
023 +5v (VCC)
POWER
024 +5V (VCC)
POWER
025
SIZE BIT O (SIZEO[O])
INPUT /OUTPUT
026 NOT USED
NC
027
SIZE BIT 1 (SIZEl[O])
INPUT /OUTPUT
028
SLOT EQUIPPED (ECCEQP[O])
OUTPUT
029 LARGER SIZED MEMORY BOARD (BIGMEM[O])
OUTPUT
030 NOT USED
NC
031 GROUND (GRD)
GROUND
032 GROUND (GRD)
GROUND
033
MULTIPLEXED ADDRESS BIT 00 (MUXAOO[l])
INPUT
034
MULTIPLEXED ADDRESS BIT 03 (MUXA03(1])
INPUT
035 GROUND (GRD)
GROUND
036
GROUND (GRD)
GROUND
037
MULTIPLEXED ADDRESS BIT 01 (MUXAOl[l])
INPUT
038 MULTIPLEXED ADDRESS BIT 02 (MUXA02(1])
INPUT
039 GROUND (GRD)
GROUND
040 GROUND (GRD)
GROUND
041
MULTIPLEXED ADDRESS BIT 04 (MUXA04(1]) INPUT
042
MULTIPLEXED ADDRESS BIT 07 (MUXA07(1]) INPUT
043 +5v (VCC)
POWER
044 +5V (VCC)
POWER
045
MULTIPLEXED ADDRESS BIT 05 (MUXA05(1]) INPUT
046 MULTIPLEXED ADDRESS BIT 06 (MUXA06[1])
INPUT
047
GROUND (GRD) GROUND
048
GROUND (GRD)
GROUND
049
MULTIPLEXED ADDRESS BIT 08 (MUXA08(1])
INPUT
050
MULTIPLEXED ADDRESS BIT 11 (MUXAll[l]) (IF USED) INPUT
051 GROUND (GRD) GROUND
052 GROUND (GRD)
GROUND
053
MULTIPLEXED ADDRESS BIT 09 (MUXA09[1]) (IF USED) INPUT
054
MULTIPLEXED ADDRESS BIT 10 (MUXAlO[l]) (IF USED) INPUT
055
GROUND (GRD) GROUND
056
+5V (VCC) POWER
057 MULTIPLEXED ADDRESS BIT 12 (MUXA12[1]) (IF USED) INPUT
058
NOT USED
NC
059 GROUND (GRD) GROUND
060 GROUND (GRD)
GROUND
CONNECTOR AND CABLING INFORMATION B-65