MC-4516DA727 Datasheet, PDF (10/16 Pages) NEC – 16M-WORD BY 72-BIT SYNCHRONOUS DYNAMIC RAM MODULE REGISTERED TYPE

MC-4516DA727
Serial PD
Byte No.
Function Described
Defines the number of bytes written into
0
serial PD memory
1 Total number of bytes of serial PD memory
2 Fundamental memory type
3 Number of rows
4 Number of columns
5 Number of banks
6 Data width
7 Data width (continued)
8 Voltage interface
9 CL = 3 Cycle time
-A75
10 CL = 3 Access time
-A75
11 DIMM configuration type
12 Refresh rate/type
13 SDRAM width
14 Error checking SDRAM width
15 Minimum clock delay
16 Burst length supported
17 Number of banks on each SDRAM
5
18 /CAS latency supported
19 /CS latency supported
20 /WE latency supported
21 SDRAM module attributes
22 SDRAM device attributes : General
5
23 CL = 2 Cycle time
-A75
5
24 CL = 2 Access time
-A75
25-26
5
27
tRP(MIN.)
-A75
28
tRRD(MIN.)
5
29
tRCD(MIN.)
-A75
-A75
30
tRAS(MIN.)
31 Module bank density
-A75
Hex Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0
(1/2)
Notes
80H 1
0
0
0
0
0
0
0 128 bytes
08H 0
0
0
0
1
0
0
0 256 bytes
04H 0
0
0
0
0
1
0
0 SDRAM
0CH 0
0
0
0
1
1
0
0 12 rows
0AH 0
0
0
0
1
0
1
0 10 columns
01H 0
0
0
0
0
0
0
1 1 bank
48H 0
1
0
0
1
0
0
0 72 bits
00H 0
0
0
0
0
0
0
00
01H 0
0
0
0
0
0
0
1 LVTTL
75H 0
1
1
1
0
1
0
1 7.5 ns
54H 0
1
0
1
0
1
0
0 5.4 ns
02H 0
0
0
0
0
0
1
0 ECC
80H 1
0
0
0
0
0
0
0 Normal
08H 0
0
0
0
1
0
0
0 x8
08H 0
0
0
0
1
0
0
0 x8
01H 0
0
0
0
0
0
0
1 1 clock
8FH 1
0
0
0
1
1
1
1 1, 2, 4, 8, F
04H 0
0
0
0
0
1
0
0 4 banks
06H 0
0
0
0
0
1
1
0 2, 3
01H 0
0
0
0
0
0
0
10
01H 0
0
0
0
0
0
0
10
1FH 0
0
0
1
1
1
1
1 Registered
0EH 0
0
0
0
1
1
1
0
0AH 0
0
0
0
1
0
1
0 10 ns
60H 0
1
1
0
0
0
0
0 6 ns
00H 0
0
0
0
0
0
0
0
14H 0
0
0
1
0
1
0
0 20 ns
0FH 0
0
0
0
1
1
1
1 15 ns
14H 0
0
0
1
0
1
0
0 20 ns
2DH 0
0
1
0
1
1
0
1 45 ns
20H 0
0
1
0
0
0
0
0 128M bytes
10
Data Sheet M14082EJ4V0DS00