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參數資料
| 型號： | MC-454AA725 |
| 廠商： | NEC Corp. |
| 英文描述： | 4M-Word By 72-BIT Dynamic RAM Module(4M×72位動態(tài)RAM模塊) |
| 中文描述： | 分詞由72位動態(tài)內存模塊（4米× 72位動態(tài)內存模塊） |
| 文件頁數： | 11/16頁 |
| 文件大?。?/td> | 149K |
| 代理商： | MC-454AA725 |
11
MC-454AA725
(2/2)
Byte No.
Function Described
Hex
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
Notes
27
t
RP (MIN.)
-A80
18H
0
0
0
1
1
0
0
0
24 ns
-A10
1AH
0
0
0
1
1
0
1
0
26 ns
-A12
1EH
0
0
0
1
1
1
1
0
30 ns
28
t
RRD (MIN.)
-A80
10H
0
0
0
1
0
0
0
0
16 ns
-A10
14H
0
0
0
1
0
1
0
0
20 ns
-A12
18H
0
0
0
1
1
0
0
0
24 ns
29
t
RCD (MIN.)
-A80
18H
0
0
0
1
1
0
0
0
24 ns
-A10
1AH
0
0
0
1
1
0
1
0
26 ns
-A12
1EH
0
0
0
1
1
1
1
0
30 ns
30
t
RAS (MIN.)
-A80
30H
0
0
1
1
0
0
0
0
48 ns
-A10
3CH
0
0
1
1
1
1
0
0
60 ns
-A12
3CH
0
0
1
1
1
1
0
0
60 ns
31
Module bank density
08H
0
0
0
0
1
0
0
0
32M bytes
32-61
00H
0
0
0
0
0
0
0
0
62
SPD revision
01H
0
0
0
0
0
0
0
1
1
63
Checksum for bytes 0 - 62
-A80
A6H
1
0
1
0
0
1
1
0
-A10
0AH
0
0
0
0
1
0
1
0
-A12
76H
0
1
1
1
0
1
1
0
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
66H
0
1
1
0
0
1
1
0
66 MHz
127
Intel specification /CAS latency support
06H
0
0
0
0
0
1
1
0
2, 3
Timing Chart
Please refer to NEC Synchronous DRAM Data sheet.
相關PDF資料 |
PDF描述 |
|---|---|
| MC-454AC725 | 4M-Word By 72-BIT Dynamic RAM Module(4M×72位動態(tài)RAM模塊) |
| MC-454AC726 | 4M-Word By 72-BIT Dynamic RAM Module(4M×72位動態(tài)RAM模塊) |
| MC-454AD644-A67 | 4M-WORD BY 72-BIT SYNCHRONOUS DYNAMIC RAM MODULE UNBUFFERED TYPE |
| MC-454AC724 | 4M-WORD BY 72-BIT SYNCHRONOUS DYNAMIC RAM MODULE UNBUFFERED TYPE |
| MC-454AC724F-A67 | 4M-WORD BY 72-BIT SYNCHRONOUS DYNAMIC RAM MODULE UNBUFFERED TYPE |
相關代理商/技術參數 |
參數描述 |
|---|---|
| MC-454AC724 | 制造商:NEC 制造商全稱:NEC 功能描述:4M-WORD BY 72-BIT SYNCHRONOUS DYNAMIC RAM MODULE UNBUFFERED TYPE |
| MC-454AC724F-A10 | 制造商:NEC 制造商全稱:NEC 功能描述:4M-WORD BY 72-BIT SYNCHRONOUS DYNAMIC RAM MODULE UNBUFFERED TYPE |
| MC-454AC724F-A12 | 制造商:NEC 制造商全稱:NEC 功能描述:4M-WORD BY 72-BIT SYNCHRONOUS DYNAMIC RAM MODULE UNBUFFERED TYPE |
| MC-454AC724F-A67 | 制造商:NEC 制造商全稱:NEC 功能描述:4M-WORD BY 72-BIT SYNCHRONOUS DYNAMIC RAM MODULE UNBUFFERED TYPE |
| MC-454AD644 | 制造商:NEC 制造商全稱:NEC 功能描述:4M-WORD BY 72-BIT SYNCHRONOUS DYNAMIC RAM MODULE UNBUFFERED TYPE |
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