MC-4516CD641XS-A80 Ver la hoja de datos (PDF) - Elpida Memory, Inc
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MC-4516CD641XS-A80 Datasheet PDF : 16 Pages
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MC-4516CD641ES,4516CD641PS,4516CD641XS
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
1 Total number of bytes of serial PD memory
2 Fundamental memory type
3 Number of rows
4 Number of columns
E 5 Number of banks
6 Data width
7 Data width (continued)
8 Voltage interface
O9 CL = 3 Cycle time
-A80
-A10
10 CL =3 Access time
-A80
L -A10
80H
08H
04H
0CH
09H
02H
40H
00H
01H
80H
A0H
60H
60H
1
0
0
0
0
0
0
0
0
1
1
0
0
0
0
0
0
0
0
1
0
0
0
0
1
1
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
1
1
0
0
0
0
0
0
0
0
0
0
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
0
0
0
0
0
0
0
0 128 bytes
0 256 bytes
0 SDRAM
0 12 rows
1 9 columns
0 2 banks
0 64 bits
00
1 LVTTL
0 8 ns
0 10 ns
0 6 ns
0 6 ns
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25-26
27
28
29
30
DIMM configuration type
00H 0
0
0
0
0
0
0
0 None
Refresh rate/type
80H 1
0
0
0
0
0
0
0 Normal
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
P Burst length supported
8FH 1
0
0
0
1
1
1
1 1, 2, 4, 8, F
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
-A80 A0H 1
0
1
0
0
0
0
0 10 ns
-A10 D0H 1
1
0
1
0
0
0
0 13 ns
CL = 2 Access time
-A80
60H 0
1
1
0
0
0
0
0 6 ns
d -A10
70H 0
1
1
1
0
0
0
0 7 ns
00H 0
0
0
0
0
0
0
0
tRP(MIN.)
-A80
14H 0
0
0
1
0
1
0
0 20 ns
u -A10
14H 0
0
0
1
0
1
0
0 20 ns
tRRD(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
c tRCD(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
t tRAS(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
10
Data Sheet E0066N10
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