MC-4516CD642XS 데이터 시트보기 (PDF) - Elpida Memory, Inc
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MC-4516CD642XS Datasheet PDF : 14 Pages
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MC-4516CD642XS
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 80H 1
0
0
0
0
0
0
0 128 bytes
serial PD memory
1
Total number of bytes of serial PD memory 08H 0
0
0
0
1
0
0
0 256 bytes
2
Fundamental memory type
3
Number of rows
4
Number of columns
5
Number of banks
E6
Data width
7
Data width (continued)
8
Voltage interface
O9
CL = 3 Cycle time
10 CL = 3 Access time
11 DIMM configuration type
L 12 Refresh rate/type
04H 0
0
0
0
0
1
0
0 SDRAM
0CH 0
0
0
0
1
1
0
0 12 rows
09H 0
0
0
0
1
0
0
1 9 columns
02H 0
0
0
0
0
0
1
0 2 bank
40H 0
1
0
0
0
0
0
0 64 bits
00H 0
0
0
0
0
0
0
00
01H 0
0
0
0
0
0
0
1 LVTTL
-A75 75H 0
1
1
1
0
1
0
1 7.5 ns
-A75 54H 0
1
0
1
0
1
0
0 5.4 ns
00H 0
0
0
0
0
0
0
0 None
80H 1
0
0
0
0
0
0
0 Normal
13
14
15
16
17
18
19
20
21
22
23
24
25-26
27
28
29
30
31
SDRAM width
10H 0
0
0
1
0
0
0
0 ×16
Error checking SDRAM width
00H 0
0
0
0
0
0
0
0 None
Minimum clock delay
01H 0
0
0
0
0
0
0
1 1 clock
Burst length supported
8FH 1
0
0
0
1
1
1
1 1, 2, 4, 8, F
P Number of banks on each SDRAM
04H 0
0
0
0
0
1
0
0 4 banks
/CAS latency supported
06H 0
0
0
0
0
1
1
0 2, 3
/CS latency supported
01H 0
0
0
0
0
0
0
10
r /WE latency supported
01H 0
0
0
0
0
0
0
10
SDRAM module attributes
00H 0
0
0
0
0
0
0
0
o SDRAM device attributes: General
0EH 0
0
0
0
1
1
1
0
CL = 2 Cycle time
-A75 A0H 1
0
1
0
0
0
0
0 10 ns
CL = 2 Access time
-A75 60H 0
1
1
0
0
0
0
0 6 ns
d 00H 0
0
0
0
0
0
0
0
tRP (MIN.)
-A75 14H 0
0
0
1
0
1
0
0 20 ns
tRRD (MIN.)
-A75 0FH 0
0
0
0
1
1
1
1 15 ns
u tRCD (MIN.)
-A75 14H 0
0
0
1
0
1
0
0 20 ns
tRAS (MIN.)
-A75 2DH 0
0
1
0
1
1
0
0 45 ns
ct Module bank density
10H 0
0
0
1
0
0
0
0 64M bytes
10
Data Sheet E0116N20
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