MC-458CB64ESB Datasheet, PDF (11/16 Pages) NEC – 8M-WORD BY 64-BIT SYNCHRONOUS DYNAMIC RAM MODULE SO DIMM

MC-458CB64ESB, 458CB64PSB
(2/2)
Byte No.
Function Described
Hex Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0 Notes
31 Module bank density
10H 0
0
0
1
0
0
0
0 64 M bytes
32 Command and address signal setup -A10B 25H 0
0
1
0
0
1
0
1 2.5 ns
time
33 Command and address signal hold -A10B 10H 0
0
0
1
0
0
0
0 1 ns
time
34 Data signal input setup time
35 Data signal input hold time
-A10B 25H 0
0
1
0
0
1
0
1 2.5 ns
-A10B 10H 0
0
0
1
0
0
0
0 1 ns
36-61
00H 0
0
0
0
0
0
0
0
62 SPD revision
-A10B 12H 0
0
0
1
0
0
1
0 1.2
63 Checksum for bytes 0 – 62
B5H 1
0
1
1
0
1
0
1
64-71 Manufacture’s JEDEC ID code
72 Manufacturing location
73-90 Manufacture’s P/N
91-92 Revision code
93-94 Manufacturing date
95-98 Assembly serial number
99-125 Mfg specific
126 Intel specification frequency
-A10B 66H 0
1
1
0
0
1
1
0 66 MHz
127 Intel specification /CAS latency
support
-A10B 06H 0
0
0
0
0
1
1
0
Timing Chart
Refer to the SYNCHRONOUS DRAM MODULE TIMING CHART Information (M13348E).
Data Sheet M12263EJAV0DS00
11