參數(shù)資料
型號： MC-458CD64S
廠商： NEC Corp.
英文描述： Synchronous Dynamic RAM Module(同步動態(tài)RAM 模塊)
中文描述： 同步動態(tài)隨機存儲器模塊（同步動態(tài)內(nèi)存模塊）
文件頁數(shù)： 10/16頁
文件大?。?/td> 204K
代理商： MC-458CD64S
10
MC-458CD64S
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
Fundamental memory type
Number of rows
Number of columns
Number of banks
Data width
Data width (continued)
Voltage interface
CL = 3 Cycle time
80H
1
0
0
0
0
0
0
0
128 bytes
1
2
3
4
5
6
7
8
9
08H
04H
0CH
08H
02H
40H
00H
01H
80H
A0H
A0H
60H
60H
70H
00H
80H
10H
00H
01H
8FH
04H
06H
01H
01H
00H
0EH
A0H
D0H
F0H
60H
70H
80H
00H
14H
14H
1EH
10H
14H
14H
14H
14H
1EH
30H
32H
3CH
08H
0
0
0
0
0
0
0
0
1
1
1
0
0
0
0
1
0
0
0
1
0
0
0
0
0
0
1
1
1
0
0
1
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
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
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
1
1
1
0
0
0
0
0
0
0
0
0
0
0
0
1
0
1
1
1
0
0
0
0
0
0
0
0
0
0
0
1
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
0
0
1
0
0
0
0
0
0
0
0
0
0
1
1
0
1
0
0
1
1
1
1
1
1
1
1
1
1
1
1
0
1
0
1
1
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
1
0
0
0
0
0
1
0
0
1
1
0
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
0
0
0
1
0
0
0
0
0
0
0
1
1
1
0
1
1
1
1
1
0
0
1
0
0
0
0
0
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
0
1
0
0
0
1
0
0
0
0
0
0
0
0
0
1
0
0
0
0
0
1
0
1
0
0
0
0
0
0
0
0
0
1
0
0
0
0
0
0
0
0
0
0
1
1
0
0
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
256 bytes
SDRAM
12 rows
8 columns
2 banks
64 bits
0
LVTTL
8 ns
10 ns
10 ns
6 ns
6 ns
7 ns
None
Normal
×
16
None
1 clock
1, 2, 4, 8, F
4 banks
2, 3
0
0
-A80
-A10
-A10B/-A10BL
-A80
-A10
-A10B/-A10BL
10
CL =3 Access time
11
12
13
14
15
16
17
18
19
20
21
22
23
DIMM configuration type
Refresh rate/type
SDRAM width
Error checking SDRAM width
Minimum clock delay
Burst length supported
Number of banks on each SDRAM
/CAS latency supported
/CS latency supported
/WE latency supported
SDRAM module attributes
SDRAM device attributes : General
CL = 2 Cycle time
-A80
-A10
-A10B/-A10BL
-A80
-A10
-A10B/-A10BL
10 ns
13 ns
15 ns
6 ns
7 ns
8 ns
24
CL = 2 Access time
25-26
27
t
RP(MIN.)
-A80
-A10
-A10B/-A10BL
-A80
-A10
-A10B/-A10BL
-A80
-A10
-A10B/-A10BL
-A80
-A10
-A10B/-A10BL
20 ns
20 ns
30 ns
16 ns
20 ns
20 ns
20 ns
20 ns
30 ns
48 ns
50 ns
60 ns
32M bytes
28
t
RRD(MIN.)
29
t
RCD(MIN.)
30
t
RAS(MIN.)
31
Module bank density
相關(guān)PDF資料
PDF描述
MC-458DA726 8M-Word By72-BIT Dynamic RAM Module(8M×72位動態(tài)RAM模塊)
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MC-45D16CB641KF-C80 16 M-WORD BY 64-BIT DDR SYNCHRONOUS DYNAMIC RAM MODULE UNBUFFERED TYPE
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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
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