AT&T 3B2/300 Technical Reference Manual page 597

- - - - - - - - - - - - - - - - - Appendix: CONNECTOR AND CABLING INFORMATION
72-PIN MEMORY CARD CONNECTOR, JOS AND J06
PIN DESCRIPTION FUNCTION
1 GROUND (GRD) GROUND
2
VCC POWER
3
MULTIPLEXED ADDRESS BIT 7 (MUXA7[1])
OUTPUT
4
MULTIPLEXED ADDRESS BIT O (MUXAO[l])
OUTPUT
5 MULTIPLEXED ADDRESS BIT 6 (MUXA6(1]) OUTPUT
6
MULTIPLEXED ADDRESS BIT 1 (MUXAl[l])
OUTPUT
7 MULTIPLEXED ADDRESS BIT 5 (MUXA5[1]) OUTPUT
8 GROUND (GRD) GROUND
9 MULTIPLEXED ADDRESS BIT 4 (MUXA4[1]) OUTPUT
10 MULTIPLEXED ADDRESS BIT 2 (MUXA2(1]) OUTPUT
11 MULTIPLEXED ADDRESS BIT 8 (MUXA8[1]) OUTPUT
12 MULTIPLEXED ADDRESS BIT 3 (MUXA3[1]) OUTPUT
13 GROUND (GRD) GROUND
14 MULTIPLEXED ADDRESS BIT 9 (MUXA9(1]) OUTPUT
15 WRITE ENABLE (WE[O]) OUTPUT
16 ROW ADDRESS SELECT (RAS[O]) OUTPUT
17 BANK ENABLE O (BANKENO[O]) OUTPUT
18
BANK ENABLE I (BANKENl[O])
OUTPUT
19
ONEBANK[OJ (0 = 191A/B/C)
(1 = 1910 and 192A/B)
20 COLUMN ADDRESS SELECT 2 (CAS2[0]) OUTPUT
21 COLUMN ADDRESS SELECT O (CASO[O]) OUTPUT
22 COLUMN ADDRESS SELECT 3 (CAS3[0]) OUTPUT
23
GROUND (GRD)
GROUND
24
SIZE64K[OJ
(0 = 191A and 192A)
(I = 191B/C/D and 192B)
25 COLUMN ADDRESS SELECT 1 (CASl[O]) OUTPUT
26 MEMORY DATA BIT 31 (MD31[1])
INPUT /OUTPUT
27 MEMORY DATA BIT 30 (MD30[1]) INPUT /OUTPUT
28
GROUND (GRD)
GROUND
29
MEMORY DATA BIT 28 (MD28[1])
INPUT /OUTPUT
30
MEMORY DATA BIT 29 (MD29(1])
INPUT/OUTPUT
31 MEMORY DATA BIT 26 (MD26[1])
INPUT /OUTPUT
32 MEMORY DATA BIT 27 (MD27[1])
INPUT /OUTPUT
33 GROUND (GRD) GROUND
34 MEMORY DATA BIT 25 (MD25[1]) INPUT /OUTPUT
35 MEMORY DATA BIT 24 (MD24[1])
INPUT /OUTPUT
36 MEMORY DATA BIT 23 (MD23[1]) INPUT /OUTPUT
37 MEMORY DATA BIT 22 (MD22[1]) INPUT /OUTPUT
CONNECTOR AND CABLING INFORMATION B-15