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參數(shù)資料
| 型號： | MC-428LFH641 |
| 廠商： | NEC Corp. |
| 英文描述： | 3.3 V Operation 8M-Word By 72-Bit Dynamic RAM Module(工作電壓為3.3V的DRAM模塊) |
| 中文描述： | 3.3 V工作電壓800萬字由72位動態(tài)內(nèi)存模塊（工作電壓為3.3伏的內(nèi)存模塊） |
| 文件頁數(shù)： | 13/32頁 |
| 文件大?。?/td> | 273K |
| 代理商： | MC-428LFH641 |
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13
MC-428LFH641
Serial PD
Byte No.
Function Described
Hex
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
Notes
0
1
2
3
4
5
6
7
8
9
Number of serial PD bytes
Serial memory
Fundamental memory type
Number of rows
Number of columns
Number of banks
Data width
Data width (continued)
Voltage interface
/RAS access time
5DH
08H
02H
0DH
0AH
01H
40H
00H
01H
32H
3CH
0DH
0FH
00H
00H
08H
00H
00H
01H
08H
14H
10H
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
0
0
0
0
0
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
0
0
0
0
0
0
0
0
0
0
0
1
0
0
0
0
0
0
0
0
1
1
0
0
0
0
0
0
0
0
0
1
1
1
1
0
1
1
0
0
0
0
0
1
1
1
0
0
1
0
0
0
1
0
0
1
0
0
1
0
0
0
0
0
0
1
1
1
0
0
0
0
0
0
0
1
0
0
0
1
0
1
0
0
0
0
1
0
0
1
0
0
0
0
0
0
0
0
0
1
0
0
1
0
1
0
0
1
0
0
1
1
0
0
0
0
0
1
0
0
0
93 bytes
256 bytes
EDO
13 rows
10 columns
1 bank
64 bits
0
LVTTL
50 ns
60 ns
13 ns
15 ns
None
Normal
×
8
None
-A50
-A60
-A50
-A60
10
/CAS access time
11
12
13
14
Error detection/correction
Refresh period
DRAM width
Error checking DRAM width
15 - 61
62
63
SPD revision
Checksum for bytes 0 - 62
1
-A50
-A60
64
Manufacture’s JEDEC ID code per
JEP-106E
65-71
72
73
74
75
76
77
78
79
80
81
82
83
00H
0
0
0
0
0
0
0
0
Manufacturing location
Part name
Part name
Part name
Part name
Part name
Part name
Part name
Part name
Part name
Part name
Part name
34H
32H
38H
4CH
46H
48H
36H
34H
31H
46H
42H
48H
2DH
41H
35H
36H
30H
20H
20H
20H
31H
20H
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
0
0
0
1
1
1
0
1
0
0
0
0
0
0
0
0
1
1
1
0
0
0
1
1
1
0
0
0
1
0
1
1
1
1
1
1
1
1
1
1
1
0
0
0
1
1
1
0
0
0
0
0
1
1
1
0
0
0
1
0
0
0
1
1
0
1
0
0
0
0
0
1
1
0
0
0
0
0
0
0
0
0
1
0
0
1
1
0
1
1
0
1
0
0
1
0
1
1
0
0
0
0
0
0
0
1
0
0
1
0
1
0
0
1
1
0
0
0
0
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
0
0
0
1
1
1
0
0
0
0
0
1
0
MC-428LFH641FB
MC-428LFH641FH
84
85
86
Part name
Part name
Part name
-A50
-A60
87
88
89
90
91
92
Part name
Part name
Part name
Part name
PCB revision code
Blank
Remark
1 : High level (Serial data), 0 : Low level (Serial data)
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MC428P | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| MC42B505J | 制造商:ELE 功能描述:AF550X050 ELECT'CUBE MOLDED |
| MC42S8LFF64SAA60 | 制造商:NEC Electronics Corporation 功能描述: |
| MC4300F | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| MC4312F | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
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