- 您現(xiàn)在的位置：買(mǎi)賣(mài)IC網(wǎng) > PDF目錄383555 > MC-454CB645 (NEC Corp.) 4M-Word By 64-BIT Dynamic RAM Module(4M×64位動(dòng)態(tài)RAM模塊) PDF資料下載
參數(shù)資料
| 型號(hào)： | MC-454CB645 |
| 廠商： | NEC Corp. |
| 英文描述： | 4M-Word By 64-BIT Dynamic RAM Module(4M×64位動(dòng)態(tài)RAM模塊) |
| 中文描述： | 分詞，64位動(dòng)態(tài)RAM模塊（4米× 64位動(dòng)態(tài)內(nèi)存模塊） |
| 文件頁(yè)數(shù)： | 10/16頁(yè) |
| 文件大?。?/td> | 132K |
| 代理商： | MC-454CB645 |
第1頁(yè)第2頁(yè)第3頁(yè)第4頁(yè)第5頁(yè)第6頁(yè)第7頁(yè)第8頁(yè)第9頁(yè)當(dāng)前第10頁(yè)第11頁(yè)第12頁(yè)第13頁(yè)第14頁(yè)第15頁(yè)第16頁(yè)
10
MC-454CB645
Serial PD
(1/2)
Byte
No.
Function Described
Hex
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
Notes
0
Defines the number of bytes written
into serial PD memory
80H
1
0
0
0
0
0
0
0
128 bytes
1
Total number of bytes of serial PD
memory
08H
0
0
0
0
1
0
0
0
256 bytes
2
Fundamental memory type
04H
0
0
0
0
0
1
0
0
SDRAM
3
Number of rows
0CH
0
0
0
0
1
1
0
0
12 rows
4
Number of columns
08H
0
0
0
0
1
0
0
0
8 columns
5
Number of banks
01H
0
0
0
0
0
0
0
1
1 bank
6
Data width
40H
0
1
0
0
0
0
0
0
64 bits
7
Data width (continued)
00H
0
0
0
0
0
0
0
0
0
8
Voltage interface
01H
0
0
0
0
0
0
0
1
LVTTL
9
CL = 3 cycle time
A0H
1
0
1
0
0
0
0
0
10 ns
10
CL = 3 access time
70H
0
1
1
1
0
0
0
0
7 ns
11
DIMM configuration type
00H
0
0
0
0
0
0
0
0
None
12
Refresh rate / type
80H
1
0
0
0
0
0
0
0
Normal
13
SDRAM width
10H
0
0
0
1
0
0
0
0
x16
14
Error checking SDRAM width
00H
0
0
0
0
0
0
0
0
None
15
Minimum clock delay
01H
0
0
0
0
0
0
0
1
1 clock
16
Burst length supported
8FH
1
0
0
0
1
1
1
1
1, 2, 4, 8, F
17
Number of banks on each SDRAM
04H
0
0
0
0
0
1
0
0
4 banks
18
/CAS latency supported
06H
0
0
0
0
0
1
1
0
2, 3
19
/CS latency supported
01H
0
0
0
0
0
0
0
1
0
20
/WE latency supported
01H
0
0
0
0
0
0
0
1
0
21
SDRAM module attributes
00H
0
0
0
0
0
0
0
0
22
SDRAM device attributes : General
0EH
0
0
0
0
1
1
1
0
23
CL = 2 cycle time
F0H
1
1
1
1
0
0
0
0
24
CL = 2 access time
80H
1
0
0
0
0
0
0
0
8 ns
25-26
00H
0
0
0
0
0
0
0
0
27
t
RP (MIN.)
1EH
0
0
0
1
1
1
1
0
30 ns
28
t
RRD (MIN.)
14H
0
0
0
1
0
1
0
0
20 ns
29
t
RCD (MIN.)
1EH
0
0
0
1
1
1
1
0
30 ns
30
t
RAS (MIN.)
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
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| MC-454CB646 | 4 M-Word By 64-Bit Synchronous Dynamic RAM Module(同步動(dòng)態(tài)RAM 模塊) |
| MC-454CB64S | 4M-Word By 64-BIT Dynamic RAM Module(動(dòng)態(tài)RAM模塊) |
| MC-4564DC726 | 64M-Word By 72-BIT Dynamic RAM Module(動(dòng)態(tài)RAM模塊) |
| MC-4564EC726 | 64 M-WORD BY 72-BIT SYNCHRONOUS DYNAMIC RAM MODULE REGISTERED TYPE |
| MC-4564EC727 | 64M-WORD BY 72-BIT SYNCHRONOUS DYNAMIC RAM MODULE REGISTERED TYPE |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MC-454CB645FA-A10B | 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-454CB645LFA-A10B | 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 |
| MC4556 | 制造商:UTC-IC 制造商全稱:UTC-IC 功能描述:DUAL OPERATIONAL AMPLIFIER |
| MC4556_07 | 制造商:UTC-IC 制造商全稱:UTC-IC 功能描述:DUAL OPERATIONAL AMPLIFIER |
| MC4556-D08-T | 制造商:UTC-IC 制造商全稱:UTC-IC 功能描述:DUAL OPERATIONAL AMPLIFIER |
發(fā)布緊急采購(gòu)，3分鐘左右您將得到回復(fù)。