MT18LD1672AG-5X Micron, MT18LD1672AG-5X Datasheet - Page 8

• Manufacturer Part Number: MT18LD1672AG-5X
• Description: 16 MEG x 72 NONBUFFERED DRAM DIMM
• Manufacturer: Micron

SERIAL PRESENCE-DETECT MATRIX
NOTE:
8, 16, 32 Meg x 72 Nonbuffered DRAM DIMMs
DM79.p65 – Rev. 2/99
99-125 MANUFACTURE SPECIFIC DATA (RSVD)
BYTE
15-61
65-71
73-90
95-98
10
11
12
13
14
62
63
64
72
91
92
93
94
0
1
2
3
4
5
6
7
8
9
NUMBER OF BYTES USED BY MICRON
TOTAL NUMBER OF SPD MEMORY BYTES
MEMORY TYPE
NUMBER OF ROW ADDRESSES
NUMBER OF COLUMN ADDRESSES
NUMBER OF BANKS
DATA WIDTH
DATA WIDTH (continued)
VOLTAGE INTERFACE
RAS# ACCESS TIME (
CAS# ACCESS TIME (
MODULE CONFIGURATION TYPE
REFRESH RATES
DRAM WIDTH (PRIMARY DRAM)
ERROR CHECKING DRAM DATA WIDTH
RESERVED
SPD REVISION
CHECKSUM FOR BYTES 0-62
MANUFACTURER’S JEDEC ID CODE
MANUFACTURER’S JEDEC CODE (CONT.)
MANUFACTURING LOCATION
MODULE PART NUMBER (ASCII)
PCB IDENTIFICATION CODE
IDENTIFICATION CODE (CONT.)
YEAR OF MANUFACTURE IN BCD
WEEK OF MANUFACTURE IN BCD
MODULE SERIAL NUMBER
1. “1”/“0”: Serial Data, “driven to HIGH”/“driven to LOW.”
2. x = Variable Data.
DESCRIPTION
t
t
RAC)
CAC)
ENTRY (VERSION)
12 (128MB, 256MB)
x4 (128MB, 256MB)
x4 (128MB, 256MB)
15.625µs/NORMAL
EDO PAGE MODE
1 (64MB, 128MB)
11 (64MB)
2 (256MB)
x8 (64MB)
x8 (64MB)
50ns (-5)
60ns (-6)
13ns (-5)
15ns (-6)
128MB -5
128MB -6
256MB -5
256MB -6
NONE
LVTTL
MICRON
64MB -5
64MB -6
ECC
128
256
x72
REV. 0
12
1
2
3
4
0
8
BIT7
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
0
0
0
0
x
0
0
0
0
0
x
x
x
–
BIT6
NONBUFFERED DRAM DIMMs
Micron Technology, Inc., reserves the right to change products or specifications without notice.
0
0
0
0
0
0
0
0
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
0
1
0
1
0
1
0
0
0
0
0
0
0
0
0
x
x
x
x
–
BIT5
0
0
0
0
0
0
0
0
0
0
0
1
1
0
0
0
0
0
0
0
0
0
0
1
0
1
0
1
0
1
1
0
0
0
0
x
0
0
0
0
0
x
x
x
–
BIT4
0
0
0
0
0
0
0
0
0
0
0
1
1
0
0
0
0
0
0
0
0
0
0
1
0
1
0
1
0
0
1
0
0
0
0
x
0
0
0
0
0
x
x
x
–
8, 16, 32 MEG x 72
BIT3
0
1
0
1
1
1
0
0
1
0
0
0
1
1
1
0
0
1
0
1
0
0
0
1
1
0
0
0
0
1
1
0
0
0
0
0
0
0
0
0
x
x
x
x
–
BIT2
0
0
0
1
0
1
0
0
0
0
0
0
1
1
1
0
0
0
1
0
1
0
0
1
0
1
0
1
0
1
1
0
0
0
1
x
0
0
0
1
0
x
x
x
–
BIT1
©1999, Micron Technology, Inc.
0
0
1
0
1
0
0
1
0
0
0
1
0
0
1
1
0
0
0
0
0
0
0
0
0
0
0
1
1
0
1
0
1
1
0
x
0
1
1
0
0
x
x
x
–
BIT0
0
0
0
0
1
0
1
0
0
0
1
0
0
1
1
0
0
0
0
0
0
0
0
0
0
1
1
0
0
0
1
1
0
1
0
1
0
1
0
0
x
x
x
x
–
HEX
0D
80
08
02
0C
0B
0C
01
02
48
00
01
32
3C
02
00
08
04
08
04
00
00
3C
48
35
41
36
42
2C
01
02
03
04
01
02
03
04
00
0F
FF
xx
xx
xx
xx
–