參數(shù)資料
型號: MC-458CB646
廠商: NEC Corp.
英文描述: 8M-Word By 64-BIT Dynamic RAM Module(8M×64位動態(tài)RAM模塊)
中文描述: 800萬字,64位動態(tài)RAM模塊(8米× 64位動態(tài)內(nèi)存模塊)
文件頁數(shù): 11/16頁
文件大?。?/td> 139K
代理商: MC-458CB646
11
MC-458CB646
(2/2)
Byte No.
Function Described
Hex
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
Notes
32
Command and address signal input
setup time
20H
0
0
1
0
0
0
0
0
2 ns
33
Command and address signal input
hold time
10H
0
0
0
1
0
0
0
0
1 ns
34
Data signal input setup time
20H
0
0
1
0
0
0
0
0
2 ns
35
Data signal input hold time
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
12H
0
0
0
1
0
0
1
0
1.2
63
Checksum for bytes 0 - 62
(-A80)
DFH
1
1
0
1
1
1
1
1
(-A10)
45H
0
1
0
0
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
64H
0
1
1
0
0
1
0
0
100 MHz
127
Intel specification /CAS
(-A80)
A7H
1
0
1
0
0
1
1
1
latency support
(-A10)
A5H
1
0
1
0
0
1
0
1
Timing Chart
Please refer to NEC Synchronous DRAM Data sheet.
相關PDF資料
PDF描述
MC-458CB647 8M-WORD BY 64-BIT SYNCHRONOUS DYNAMIC RAM MODULE UNBUFFERED TYPE
MC-458CA727 8M-WORD BY 72-BIT SYNCHRONOUS DYNAMIC RAM MODULE UNBUFFERED TYPE
MC-458CA726EFB-A10 8M-WORD BY 72-BIT SYNCHRONOUS DYNAMIC RAM MODULE UNBUFFERED TYPE
MC-458CB646EFB-A10 8M-WORD BY 64-BIT SYNCHRONOUS DYNAMIC RAM MODULE UNBUFFERED TYPE
MC-458CA726EFB-A80 8M-WORD BY 72-BIT SYNCHRONOUS DYNAMIC RAM MODULE UNBUFFERED TYPE
相關代理商/技術參數(shù)
參數(shù)描述
MC-458CB646EFB-A10 制造商:NEC 制造商全稱:NEC 功能描述:8M-WORD BY 64-BIT SYNCHRONOUS DYNAMIC RAM MODULE UNBUFFERED TYPE
MC-458CB646EFB-A80 制造商:NEC 制造商全稱:NEC 功能描述:8M-WORD BY 64-BIT SYNCHRONOUS DYNAMIC RAM MODULE UNBUFFERED TYPE
MC-458CB646PFB-A10 制造商:NEC 制造商全稱:NEC 功能描述:8M-WORD BY 64-BIT SYNCHRONOUS DYNAMIC RAM MODULE UNBUFFERED TYPE
MC-458CB646PFB-A80 制造商:NEC 制造商全稱:NEC 功能描述:8M-WORD BY 64-BIT SYNCHRONOUS DYNAMIC RAM MODULE UNBUFFERED TYPE
MC-458CB646XFB-A10 制造商:ELPIDA 制造商全稱:Elpida Memory 功能描述:8M-WORD BY 64-BIT SYNCHRONOUS DYNAMIC RAM MODULE UNBUFFERED TYPE