參數(shù)資料
型號(hào)： MC-458DA726
廠商： NEC Corp.
英文描述： 8M-Word By72-BIT Dynamic RAM Module(8M×72位動(dòng)態(tài)RAM模塊)
中文描述： 800萬(wàn)字By72位動(dòng)態(tài)內(nèi)存模塊（8米× 72位動(dòng)態(tài)內(nèi)存模塊）
文件頁(yè)數(shù)： 11/16頁(yè)
文件大小： 158K
代理商： MC-458DA726
Data Sheet M13202EJ3V0DS00
11
MC-458DA726
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
Total number of bytes of serial PD memory
80H
1
0
0
0
0
0
0
0
128 bytes
1
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
09H
0
0
0
0
1
0
0
1
9 columns
5
Number of banks
01H
0
0
0
0
0
0
0
1
1 bank
6
Data width
48H
0
1
0
0
1
0
0
0
72 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
-A80
80H
1
0
0
0
0
0
0
0
8 ns
-A10
A0H
1
0
1
0
0
0
0
0
10 ns
10
CL = 3 Access time
-A80
60H
0
1
1
0
0
0
0
0
6 ns
-A10
60H
0
1
1
0
0
0
0
0
6 ns
11
DIMM configuration type
02H
0
0
0
0
0
0
1
0
ECC
12
Refresh rate/type
80H
1
0
0
0
0
0
0
0
Normal
13
SDRAM width
08H
0
0
0
0
1
0
0
0
×
8
14
Error checking SDRAM width
08H
0
0
0
0
1
0
0
0
×
8
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
1FH
0
0
0
1
1
1
1
1
Registered
22
SDRAM device attributes : General
0EH
0
0
0
0
1
1
1
0
23
CL = 2 Cycle time
-A80
A0H
1
0
1
0
0
0
0
0
10 ns
-A10
D0H
1
1
0
1
0
0
0
0
13 ns
24
CL = 2 Access time
-A80
60H
0
1
1
0
0
0
0
0
6 ns
-A10
70H
0
1
1
1
0
0
0
0
7 ns
25-26
00H
0
0
0
0
0
0
0
0
27
t
RP(MIN.)
-A80
14H
0
0
0
1
0
1
0
0
20 ns
-A10
14H
0
0
0
1
0
1
0
0
20 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
29
t
RCD(MIN.)
-A80
14H
0
0
0
1
0
1
0
0
20 ns
-A10
14H
0
0
0
1
0
1
0
0
20 ns
30
t
RAS(MIN.)
-A80
30H
0
0
1
1
0
0
0
0
48 ns
-A10
32H
0
0
1
1
0
0
1
0
50 ns
31
Module bank density
10H
0
0
0
1
0
0
0
0
64M bytes
相關(guān)PDF資料
PDF描述
MC-45D16CA721KF-C75 16 M-WORD BY 72-BIT DDR SYNCHRONOUS DYNAMIC RAM MODULE UNBUFFERED TYPE
MC-45D16CB641KF-C75 16 M-WORD BY 64-BIT DDR SYNCHRONOUS DYNAMIC RAM MODULE UNBUFFERED TYPE
MC-45D16CA721KF-C80 16 M-WORD BY 72-BIT DDR SYNCHRONOUS DYNAMIC RAM MODULE UNBUFFERED TYPE
MC-45D16CB641KF-C80 16 M-WORD BY 64-BIT DDR SYNCHRONOUS DYNAMIC RAM MODULE UNBUFFERED TYPE
MC-45D16CB641 16 M-WORD BY 64-BIT DDR SYNCHRONOUS DYNAMIC RAM MODULE UNBUFFERED TYPE
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MC459 制造商:未知廠家 制造商全稱:未知廠家 功能描述:4 wide 3-2-2-3 input expander for and-or-invert gae
MC-45D16CA721 制造商:NEC 制造商全稱:NEC 功能描述:16 M-WORD BY 72-BIT DDR SYNCHRONOUS DYNAMIC RAM MODULE UNBUFFERED TYPE
MC-45D16CA721KF-C75 制造商:NEC 制造商全稱:NEC 功能描述:16 M-WORD BY 72-BIT DDR SYNCHRONOUS DYNAMIC RAM MODULE UNBUFFERED TYPE
MC-45D16CA721KF-C80 制造商:NEC 制造商全稱:NEC 功能描述:16 M-WORD BY 72-BIT DDR SYNCHRONOUS DYNAMIC RAM MODULE UNBUFFERED TYPE
MC-45D16CB641 制造商:NEC 制造商全稱:NEC 功能描述:16 M-WORD BY 64-BIT DDR SYNCHRONOUS DYNAMIC RAM MODULE UNBUFFERED TYPE
發(fā)布緊急采購(gòu)，3分鐘左右您將得到回復(fù)。

采購(gòu)需求

(若只采購(gòu)一條型號(hào)，填寫(xiě)一行即可)

發(fā)布成功！您可以繼續(xù)發(fā)布采購(gòu)。也可以進(jìn)入我的后臺(tái)，查看報(bào)價(jià)

發(fā)布成功！您可以繼續(xù)發(fā)布采購(gòu)。也可以進(jìn)入我的后臺(tái)，查看報(bào)價(jià)

*型號(hào) *數(shù)量 廠商 批號(hào) 封裝
添加更多采購(gòu)

我的聯(lián)系方式

*
*
*