SERIAL PRESENCE DETECT
MR16R0824(6/8/C/G)BN1
RAMBUS MODULE
RIMM SPD Specification
based on 128M RDRAM
(B-die, 32s banks)
Version 1.1
October 2000
Change History
Version 1.1 (Oct.
′00)
Based on the Samsung 128M RDRAM (A-die) SPD Specification 1.02 version.
-1-
Version 1.1 Oct. 2000
SERIAL PRESENCE DETECT
MR16R0824(6/8)BN1-CK8/CK7/CG6
• Feature : Single Sided Module & 1,250 mil height
• Composition : 8Mx16 *4(6/8)pcs
• Used component type & part number
1
Normal Package (K4R271669B-NCK8/NCK7/NCG6)
• # of banks in component : 32s banks (Doubled with Split Banks)
• Refresh : 16K/32ms
•
Contents ;
Byte #
(Dec)
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
37
38
Described Function
SPD Revision Level
Total Number of Bytes in the SPD
Device Type
Module Type
Row Address Bits[3:0], Column Address Bits[3:0]
Bank Address Bits and Type
Refresh Bank Bits
Refresh Period(=t
REF
)
Protocol Version
Misc. Device Configuration Field
Minimum Precharge to RAS time(=t
RP-R,Min
)
Minimum RAS to Precharge time(=t
RAS-R
,
Min
)
Minimum RAS to CAS time(=t
RCD-R,Min
)
Minimum RAS to RAS time(=t
RR-R,Min
)
Minimum Precharge to Precharge time(=t
PP-R,Min
)
Min t
CYCLE
for Range A
Max t
CYCLE
for Range A
t
CDLY
Range for Range A
t
CLS
and t
CAS
Range for Range A
Min t
CYCLE
for Range B
Max t
CYCLE
for Range B
t
CDLY
Range for Range B
t
CLS
and t
CAS
Range for Range B
Min t
CYCLE
for Range C
Max t
CYCLE
for Range C
t
CDLY
Range for Range C
t
CLS
and t
CAS
Range for Range C
Min t
CYCLE
for Range D
Max t
CYCLE
for Range D
t
CDLY
Range for Range D
t
CLS
and t
CAS
Range for Range D
Power Down Exit Max.time, Phase A(=t
PDNXA,Max
)
Power Down Exit Max.time, Phase B(=t
PDNXB,Max
)
Nap Exit Max.time, Phase A(=t
NAPXA,Max
)
Nap Exit Max.time, Phase B(=t
NAPXB,Max
)
f
IMIN
[11:8]
f
IMAX
[11:8]
f
IMIN
[7:0]
f
IMAX
[7:0]
ODF mapping
Option
Field
Width
8
8
8
8
4,4
8
3
8
8
8
5
6
5
5
5
8
8
8
8
8
8
8
8
8
8
8
8
8
8
8
8
8
8
8
8
4
4
8
8
-
Units
LUT
LUT
LUT
LUT
bits
LUT
bits
ms
LUT
n/a
1/f
RAS
1/f
RAS
1/f
RAS
1/f
RAS
1/f
RAS
128ps
128ps
t
CYCLE
t
CYCLE
128ps
128ps
t
CYCLE
t
CYCLE
128ps
128ps
t
CYCLE
t
CYCLE
128ps
128ps
t
CYCLE
t
CYCLE
us
64t
CYCLE
ns
ns
MHz
MHz
MHz
-
261MHz
400MHz
261MHz
400MHz
MR16R0824(6/8/C/G)BN1
RAMBUS MODULE
MR16R082C(G)BN1-CK8/CK7/CG6
• Feature : Double Sided Module & 1,250 mil height
• Composition : 8Mx16 *12(16)pcs
• Used component type & part number
1
Normal Package (K4R271669B-NCK8/NCK7/NCG6)
2
Mirrored Package (K4R271669B-MCK8/MCK7/MCG6)
• # of banks in component :32s banks (Doubled with Split Banks)
• Refresh : 16K/32ms
Supported Function
K8
K7
SPD Revision 1.0
256 Bytes
Direct RDRAM
RIMM Module
9 bits, 6 bits
32s banks
32 Refresh Bank Sets
32ms
Protocol Version 1
DQS=1.5
,
no -LP, S28, S3
8cycles
20cycles
10cycles
8cycles
8cycles
2.50ns
3.83ns
8cycles
20cycles
8cycles
8cycles
8cycles
2.80ns
3.83ns
8cycles
20cycles
8cycles
8cycles
8cycles
3.33ns
3.83ns
08h
14h
0Ah
08h
08h
13h
1Eh
59h
G6
K8
Hex Value
K7
02h
08h
01h
01h
96h
C5h
05h
20h
02h
05h
08h
14h
08h
08h
08h
15h
1Eh
59h
AAh
00h
00h
00h
00h
00h
00h
00h
00h
00h
00h
00h
00h
04h
8Dh
32h
28h
08h
14h
08h
08h
08h
1Ah
1Eh
59h
G6
Note
1
1
1
1
1
1
3
5t
CYCLE
5t
CYCLE
5t
CYCLE
~ 9t
CYCLE
~ 9t
CYCLE
~ 9t
CYCLE
2t
CYCLE
for t
CLS
& t
CAS
RFU
RFU
RFU
RFU
RFU
RFU
RFU
RFU
RFU
RFU
RFU
RFU
4us
9000t
CYCLE
50ns
40ns
261MHz
357MHz
261MHz
357MHz
-
261MHz
300MHz
261MHz
300MHz
2
2
2
2
2
2
2
2
2
2
2
2
11h
05h
90h
11h
05h
65h
00h
11h
05h
2Ch
-2-
Version 1.1 Oct. 2000
SERIAL PRESENCE DETECT
Byte #
(Dec)
39
40
41
42
43
44
45
46
47~49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65~71
72
73
74
75
76
77
78
79
80
81
82
Described Function
Option
Field
Width
8
8
8
8
8
4,4
4,4
4,4
-
4
8
1,1,6
1,1,6
8
8
8
8
8
8
8
-
-
8
8
56
8
8
8
8
8
8
8
8
8
8
4d
6d
8d
12d
16d
83
84
85
86
87
88
89
90
Module Part Number(Component Revision)
Module Part Number(Package Type)
Module Part Number(PCB Revision)
Module Part Number(Hyphen)
Module Part Number(Power)
Module Part Number(t
RAC
& Speed)
Module Part Number(t
RAC
& Speed)
Module Part Number(RFU)
8
8
8
8
8
8
8
8
8
8
8
8
8
Units
ms
ms
t
CYCLE
us
us
t
CYCLE
t
CYCLE
t
CYCLE
-
MHz
MHz
°C
°C
1mA
2mA
8mA
1mA
2mA
8mA
128uA
-
-
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
C
K
8
400MHz
K8
MR16R0824(6/8/C/G)BN1
RAMBUS MODULE
Supported Function
K7
100ms
100ms
150t
CYCLE
64us
10us
6t
CYCLE,
6t
CYCLE
5t
CYCLE,
5t
CYCLE
5t
CYCLE,
13t
CYCLE
-
357MHz
300MHz
01h
90h
0,0,100°C 0,0,100°C 0,0,100°C
1,0, 92°C
105mA
165mA
575mA
80mA
135mA
410mA
4.0mA
1,0,92°C
100mA
155mA
525mA
80mA
135mA
410mA
4.0mA
-
-
-
Samsung
Samsung
Onyang Korea
M
R
1
6
R
Blank
0
8
2
4
6
8
C
G
B
N
1
- (Hyphen)
C
K
7
-
C
G
6
43h
4Bh
38h
86h
1,0,92°C
90mA
140mA
455mA
80mA
135mA
410mA
4.0mA
24h
9Ch
69h
52h
47h
50h
43h
33h
1Fh
G6
K8
Hex Value
K7
64h
64h
96h
40h
0Ah
66h
55h
5Dh
00h
01h
65h
24h
9Ch
64h
4Dh
41h
50h
43h
33h
1Fh
00h
00h
20h
CEh
00h
01h
4Dh
52h
31h
36h
52h
20h
30h
38h
32h
34h
36h
38h
43h
47h
42h
4Eh
31h
2Dh
43h
4Bh
37h
00h
43h
47h
36h
99h
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
01h
2Ch
24h
9Ch
5Ah
46h
38h
50h
43h
33h
1Fh
G6
Note
Max. time between Current Control(=t
CCTRL,Max
)
Max. time between Temp. Calibration(=t
TEMP,Max
)
Min. time between Temp. Calibration Enable
and Command(=t
TCEN,Min
)
Maximum RAS to Precharge time(=t
RAS-R,Max
)
Maximum time that a Device can stay in Nap
Mode(=t
NLIMIT,Max
)
ACTREFPT[3:0], PCHREFPT[3:0]
CPCHREFPT_DC[3:0], RDREFPT_DC[3:0]
RETREFPT_DC[3:0], WRREFPT_DC[3:0]
Reserved
f
RAS
[11:8]
f
RAS
[7:0]
PMAX,HI, PMAX,LO, Tj
HeatSpreader, thermal sensor, Tplate
PSTBY,HI
PACTI,HI
PACTRW,HI
PSTBY,LO
PACTI,LO
PACTRW,LO
PNAP
PRESA (Reserved for a future thermal parameter)
PRESB (Reserved for a future thermal parameter)
Checksum for bytes 0 ~ 62
Module Manufacturer ID Code
...... Module Manufacturer ID Code
Module Manufacturer Location
Module Part Number(Memory module)
Module Part Number(Module Configuration)
Module Part Number(Data Bits)
...... Module Part Number(Data Bits)
Module Part Number(Feature)
Module Part Number(Module Density)
Module Part Number(Module Density)
...... Module Part Number(Module Density)
Module Part Number
(Refresh, # of banks in comp. & interface)
Module Part Number(# of component )
-3-
Version 1.1 Oct. 2000
SERIAL PRESENCE DETECT
Byte #
(Dec)
91
92
93
94
95~98
99
Described Function
Module Manufacturer Revision Code (PCB)
...... Component Manufacturer Revision Code
Module Manufacturing Year
Module Manufacturing Week
Module Serial Number
Number of Devices on Module
4d
6d
8d
12d
16d
100
101
Module Data Width
Devices Enables
4d
6d
8d
12d
16d
102
...... Devices Enables
4d
6d
8d
12d
16d
103~104 ...... Devices Enables
105
106
114
115
116
117
118
119
120
121
122
123
124
125
126
127
Module Vdd[3:0],
Module Voltage Interface Level[3:0]
Module Vdd Tolerance
CDLY0/1 for tCDLY=3
CDLY0/1 for tCDLY=4
CDLY0/1 for tCDLY=5
CDLY0/1 for tCDLY=6
CDLY0/1 for tCDLY=7
CDLY0/1 for tCDLY=8
CDLY0/1 for tCDLY=9
CDLY0/1 for tCDLY=10
CDLY0/1 for tCDLY=11
CDLY0/1 for tCDLY=12
CDLY0/1 for tCDLY=13
CDLY0/1 for tCDLY=14
CDLY0/1 for tCDLY=15
Checksum for Bytes 99 ~ 126
4d
6d
8d
12d
16d
128 +
Open for Customer Use
Option
Field
Width
8
8
8
8
32
6
6
6
6
6
8
8
8
8
8
8
8
8
8
8
8
16
4,4
8
56
8
8
8
8
8
8
8
8
8
8
8
8
8
8
8
8
8
8
-
Units
n/a
n/a
n/a
n/a
n/a
devices
devices
devices
devices
devices
bits
bits
bits
bits
bits
bits
bits
bits
bits
bits
bits
bits
LUT
LUT
-
t
CYCLE
t
CYCLE
t
CYCLE
t
CYCLE
t
CYCLE
t
CYCLE
t
CYCLE
t
CYCLE
t
CYCLE
t
CYCLE
t
CYCLE
t
CYCLE
t
CYCLE
n/a
n/a
n/a
n/a
n/a
-
K8
MR16R0824(6/8/C/G)BN1
RAMBUS MODULE
Supported Function
K7
1
B (B die)
-
-
-
4
6
8
12
16
16bits
All 4 devices are enabled
All 6 devices are enabled
All 8 devices are enabled
All 12 devices are enabled
All 16 devices are enabled
All 4 devices are enabled
All 6 devices are enabled
All 8 devices are enabled
All 12 devices are enabled
All 16 devices are enabled
-
2.5V, 1.8V Vterm
5% DC, 2% AC
-
-
-
3/0
3/1
3/2
4/2
5/2
-
-
-
-
-
-
-
-
-
-
-
-
G6
K8
Hex Value
K7
31h
42h
-
-
-
04h
06h
08h
0Ch
10h
10h
0Fh
3Fh
FFh
FFh
FFh
00h
00h
00h
0Fh
FFh
00h
10h
52h
00h
00h
00h
30h
31h
32h
42h
52h
00h
00h
00h
00h
00h
00h
ACh
DEh
A0h
B3h
A7h
Undefined
3
3
1
1
G6
3
3
3, 4
3, 4
3, 5
Note
107~113 Reserved
<Notes>
1. Please refer to Look-Up Table (LUT) in the Direct Rambus
TM
SPD specification 1.0
2. It is reserved to future use (RFU).
3. Unit is not available ( n/a).
4. These bytes are programmed by code of Date Week & Date Year with binary format.
5. These bytes are programmed by Samsung’ own Module Assembly Serial # system. All modules may have unique serial #.
s
-4-
Version 1.1 Oct. 2000
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