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HYS72D128020GR-8-A Datasheet, PDF (14/25 Pages) Infineon Technologies AG – 2.5 V 184-pin Registered DDR-I SDRAM Modules
HYS 72Dxx0xxGR-7/8-A
Registered DDR-I SDRAM-Modules
SPD Codes
Byte#
Description
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36-40
41
42
43
44
45
46-61
62
63
64
65-71
72
73-90
91-92
93-94
95-98
99-127
Number of SPD Bytes
Total Bytes in Serial PD
Memory Type
Number of Row Addresses
Number of Column Addresses
Number of DIMM Banks
Module Data Width
Module Data Width (cont’d)
Module Interface Levels
SDRAM Cycle Time at CL = 2.5
Access Time from Clock at CL = 2.5
DIMM Config
Refresh Rate/Type
SDRAM Width, Primary
Error Checking SDRAM Data Width
Minimum Clock Delay for Back-to-Back
Random Column Address
Burst Length Supported
Number of SDRAM Banks
Supported CAS Latencies
CS Latencies
WE Latencies
SDRAM DIMM Module Attributes
SDRAM Device Attributes: General
Min. Clock Cycle Time at CAS Latency = 2
Access Time from Clock for CL = 2
Minimum Clock Cycle Time at CL = 1.5
Access Time from Clock at CL = 1.5
Minimum Row Precharge Time
Minimum Row Act. to Row Act. Delay tRRD
Minimum RAS to CAS Delay tRCD
Minimum RAS Pulse Width tRAS
Module Bank Density (per bank)
Addr. and Command Setup Time
Addr. and Command Hold Time
Data Input Setup Time
Data Input Hold Time
Superset Information
Minimum Core Cycle Time tRC
Min. Auto Refresh Cmd Cycle Time tRFC
Maximum Clock Cycle Time tck
Max. DQS-DQ Skew tDQSQ
X-Factor tQHS
Superset Information
SPD Revision
Checksum for Bytes 0 - 62
Manufacturers JEDEC ID Code
Manufacturer
Module Assembly Location
Module Part Number
Module Revision Code
Module Manufacturing Date
Module Serial Number
–
128
256
DDR-SDRAM
13
10 / 11
1 /2
x72
0
SSTL_2.5
7ns / 8ns
0.75ns / 0.8ns
ECC
Self-Refresh, 7.8ms
x8 / x4
na
256MB
x72
1bank
-7
HEX
80
08
07
0D
0A
01
48
00
04
70
75
02
82
08
08
256MB
x72
1bank
-8
HEX
80
08
07
0D
0A
01
48
00
04
80
80
02
82
08
08
512MB
x72
1bank
-7
HEX
80
08
07
0D
0B
01
48
00
04
70
75
02
82
04
04
512MB
x72
1bank
-8
HEX
80
08
07
0D
0B
01
48
00
04
80
80
02
82
04
04
512MB
x72
2bank
-7
HEX
80
08
07
0D
0A
02
48
00
04
70
75
02
82
08
08
512MB
x72
2bank
-8
HEX
80
08
07
0D
0A
02
48
00
04
80
80
02
82
08
08
1GB
x72
2bank
-7
HEX
80
08
07
0D
0B
02
48
00
04
70
75
02
82
04
04
1GB
x72
2bank
-8
HEX
80
08
07
0D
0B
02
48
00
04
80
80
02
82
04
04
tccd = 1 CLK
01
01
01
01
01
01
01
01
2, 4 & 8
4
CAS latency = 2 & 2.5
CS latency = 0
Write latency = 1
registered
Concurrent Auto
Precharge
7.5ns / 10ns
0.75ns / 0.8ns
not supported
not supported
20ns
15ns
20ns
45ns / 50ns
256MByte / 512MByte
0.9ns / 1.1ns
0.9ns / 1.1ns
0.5ns / 0.6ns
0.5ns / 0.6ns
–
65ns / 70ns
75ns / 80ns
12ns
0.5ns / 0.6ns
0.75ns / 1.0ns
–
Revision 0.0
–
–
–
–
–
–
–
–
–
0E
0E
0E
0E
0E
0E
0E
0E
04
04
04
04
04
04
04
04
0C
0C
0C
0C
0C
0C
0C
0C
01
01
01
01
01
01
01
01
02
02
02
02
02
02
02
02
26
26
26
26
26
26
26
26
C0
C0
C0
C0
C0
C0
C0
C0
75
75
00
00
50
3C
50
2D
40
90
90
50
50
00
41
4B
30
32
75
00
00
CA
C1
INFI-
NEON
A0
80
00
00
50
3C
50
32
40
B0
B0
60
60
00
46
50
30
3C
A0
00
00
BF
C1
INFI-
NEON
75
75
00
00
50
3C
50
2D
80
90
90
50
50
00
41
4B
30
32
75
00
00
03
C1
INFI-
NEON
A0
80
00
00
50
3C
50
32
80
B0
B0
60
60
00
46
50
30
3C
A0
00
00
F8
C1
INFI-
NEON
75
75
00
00
50
3C
50
2D
40
90
90
50
50
00
41
4B
30
32
75
00
00
CB
C1
INFI-
NEON
A0
80
00
00
50
3C
50
32
40
B0
B0
60
60
00
46
50
30
3C
A0
00
00
C0
C1
INFI-
NEON
75
75
00
00
50
3C
50
2D
80
90
90
50
50
00
41
4B
30
32
75
00
00
04
C1
INFI-
NEON
A0
80
00
00
50
3C
50
32
80
B0
B0
60
60
00
46
50
30
3C
A0
00
00
F9
C1
INFI-
NEON
INFINEON Technologies
14
2002-05-08 (revision 1.0)