DIMM-168 (Dual-In-line-Memory Module) 168 , ( 1-84 , 85-168 ). 8 , - . JEDEC 21-C. () , () . 3,3 5 . . 7.13. SOJ 9 , TSOP 4 .
. 7.13. DIMM: DIMM-168, , , DIMM-184
SIMM-72, , , CAS#. , 4- (Bank Interleaving). 64, 72 80 , 72- ( ), ; 80- .
DIMM ( IBM) (FPM, EDO BEDO); SIMM-72. 8 (Presence Detect pins). , .
, (FPM EDO), (SDRAM). , , . DRAM; SDRAM. CBx , (, -72, -80).
CASx# (. 7.11), . 7.12. . SDRAM DRAM. SDRAM RAS#, CAS# WE#, CKx. . 7.13, DRAM . 7.14, SDRAM . 7.15.
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7.11. DIMM-168
CAS# (DQMB SDRAM) | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | |
0-7 | 8-15 | 16-23 | 24-31 | 32-39 | 40-47 | 48-55 | 56-63 | ||
0 DRAM | OE0#, WE0#, RAS0# | 2#, WE2#, RAS2# | |||||||
1 DRAM | OE0#, WE0#, RAS1# | 2#, WE2#, RAS3# | |||||||
0 SDRAM | CKE0 | CKE0 | CKE0 | CKE0 | CKE0 | CKE0 | CKE0 | CKE0 | |
S0# | S0# | S2# | S2# | S0# | S0# | S2# | S2# | ||
CK0 | CK1 | CK2 | CK3 | CK0 | CK1 | CK2 | CK3 | ||
1 SDRAM | CKE1 | CKE1 | CKE1 | CKE1 | CKE1 | CKE1 | CKE1 | CKE1 | |
S1# | S1# | S3# | S3# | S1# | S1# | S3# | S3# | ||
CK0 | CK1 | CK2 | CK3 | CK0 | CK1 | CK2 | CK3 |
7.12. DIMM-168
( DRAM) | CAS# (DQMB SDRAM) | |||||||
0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | |
72- Parity | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 |
72- , (x4 x16/x4) | - | 0-3 | - | - | - | 4-7 | - | - |
72- , (x8) | - | 0-7 | - | - | - | - | - | - |
72- , (x18) | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 |
80- , (x4) | - | 0-3 | 8-11 | - | - | 4-7 | 12-15 | 1 |
80- , (x8, 16) | - | 0-7 | - | - | - | 8-15 | - | - |
7.13. DIMM-168 DIMM-184
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