摘要：
SIMMECC72线内存条引脚定义SIMM是SingleInlineMemoryModule(单列直插)的缩写，ECC是ErrorCorrectingCode(纠错码)的缩写，外观为：引脚定义PinECCOptimizedDescription1VSSVSSGround2DQ0DQ0Data03DQ1DQ1Data14DQ2DQ2Data25DQ3DQ3Data36DQ4DQ4Data47DQ5DQ5Data58DQ6DQ6Data69DQ7DQ7Data710VCCVCC+5VDC11PD5PD5PresenceDetect512A0A0Address013A1A1Address114A2A2Address215A3A3Address316A4A4Address417A5A5Address518A6A6Address619
SIMM ECC 72线内存条引脚定义
SIMM 是 Single Inline Memory Module (单列直插) 的缩写，ECC 是 Error Correcting Code (纠错码) 的缩写，外观为：
Pin | ECC | Optimized | Description |
|---|
1 | VSS | VSS | Ground |
2 | DQ0 | DQ0 | Data 0 |
3 | DQ1 | DQ1 | Data 1 |
4 | DQ2 | DQ2 | Data 2 |
5 | DQ3 | DQ3 | Data 3 |
6 | DQ4 | DQ4 | Data 4 |
7 | DQ5 | DQ5 | Data 5 |
8 | DQ6 | DQ6 | Data 6 |
9 | DQ7 | DQ7 | Data 7 |
10 | VCC | VCC | +5 VDC |
11 | PD5 | PD5 | Presence Detect 5 |
12 | A0 | A0 | Address 0 |
13 | A1 | A1 | Address 1 |
14 | A2 | A2 | Address 2 |
15 | A3 | A3 | Address 3 |
16 | A4 | A4 | Address 4 |
17 | A5 | A5 | Address 5 |
18 | A6 | A6 | Address 6 |
19 | n/c | n/c | Not connected |
20 | DQ8 | DQ8 | Data 8 |
21 | DQ9 | DQ9 | Data 9 |
22 | DQ10 | DQ10 | Data 10 |
23 | DQ11 | DQ11 | Data 11 |
24 | DQ12 | DQ12 | Data 12 |
25 | DQ13 | DQ13 | Data 13 |
26 | DQ14 | DQ14 | Data 14 |
27 | DQ15 | DQ15 | Data 15 |
28 | A7 | A7 | Address 7 |
29 | DQ16 | DQ16 | Data 16 |
30 | VCC | VCC | +5 VDC |
31 | A8 | A8 | Address 8 |
32 | A9 | A9 | Address 9 |
33 | n/c | n/c | Not connected |
34 | /RAS1 | /RAS1 | Row Address Strobe 1 |
35 | DQ17 | DQ17 | Data 17 |
36 | DQ18 | DQ18 | Data 18 |
37 | DQ19 | DQ19 | Data 19 |
38 | DQ20 | DQ20 | Data 20 |
39 | VSS | VSS | Ground |
40 | /CAS0 | /CAS0 | Column Address Strobe 0 |
41 | A10 | A10 | Address 10 |
42 | A11 | A11 | Address 11 |
43 | /CAS1 | /CAS1 | Column Address Strobe 1 |
44 | /RAS0 | /RAS0 | Row Address Strobe 0 |
45 | /RAS1 | /RAS1 | Row Address Strobe 1 |
46 | DQ21 | DQ21 | Data 21 |
47 | /WE | /WE | Read/Write |
48 | /ECC | /ECC | |
49 | DQ22 | DQ22 | Data 22 |
50 | DQ23 | DQ23 | Data 23 |
51 | DQ24 | DQ24 | Data 24 |
52 | DQ25 | DQ25 | Data 25 |
53 | DQ26 | DQ26 | Data 26 |
54 | DQ27 | DQ27 | Data 27 |
55 | DQ28 | DQ28 | Data 28 |
56 | DQ29 | DQ29 | Data 29 |
57 | DQ30 | DQ30 | Data 30 |
58 | DQ31 | DQ31 | Data 31 |
59 | VCC | VCC | +5 VDC |
60 | DQ32 | DQ32 | Data 32 |
61 | DQ33 | DQ33 | Data 33 |
62 | DQ34 | DQ34 | Data 34 |
63 | DQ35 | DQ35 | Data 35 |
64 | n/c | DQ36 | Data 36 |
65 | n/c | DQ37 | Data 37 |
66 | n/c | DQ38 | Data 38 |
67 | PD1 | PD1 | Presence Detect 1 |
68 | PD2 | PD2 | Presence Detect 2 |
69 | PD3 | PD3 | Presence Detect 3 |
70 | PD4 | PD4 | Presence Detect 4 |
71 | n/c | DQ39 | Data 39 |
72 | VSS | VSS | Ground |
