MT18VDDF6472G-202 Micron, MT18VDDF6472G-202 Datasheet - Page 25

• Manufacturer Part Number: MT18VDDF6472G-202
• Description: 184-PIN REGISTERED DDR SDRAM DIMM
• Manufacturer: Micron

SERIAL PRESENCE-DETECT MATRIX (continued)
(Note: 1)
NOTE: 1. x = Variable Data.
64 Meg x72 184 Pin Registered DDR SDRAM DIMM
DDF18C64x72G_A.p65 – Pub. 02/02
99-127 MANUFACTURER-SPECIFIC DATA (RSVD)
36-40
46-61
65-71
73-90
95-98
BYTE
31
32
33
34
35
41
42
43
44
45
62
63
64
72
91
92
93
94
2. The JEDEC SPD specification allows fast or slow slew rate values for these bytes. The worst-case (slow slew rate) value
MODULE BANK DENSITY
ADDRESS AND COMMAND SETUP TIME, (
[Value set to slow slew rate (
(Note: 2)
ADDRESS AND COMMAND HOLD TIME, (
[Value set to slow slew rate (
(Note: 2)
DATA/DATA MASK INPUT SETUP TIME, (
DATA/DATA MASK INPUT HOLD TIME, (
RESERVED
MINIMUM ACTIVE/AUTO REFRESH TIME, (
MINIMUM AUTO REFRESH TO ACTIVE/
AUTO REFRESH COMMAND PERIOD, (
MAXIMUM CYCLE TIME, (
MAXIMUM DQS-DQ SKEW TIME,
(
MAXIMUM READ DATA HOLD SKEW FACTOR,
(
RESERVED
SPD REVISION
CHECKSUM FOR BYTES 0-62
MANUFACTURER’S JEDEC ID CODE
MANUFACTURER’S JEDEC ID CODE (continued)
MANUFACTURING LOCATION
PCB IDENTIFICATION CODE
IDENTIFICATION CODE (continued)
YEAR OF MANUFACTURE IN BCD
WEEK OF MANUFACTURE IN BCD
MODULE SERIAL NUMBER
MODULE PART NUMBER (ASCII)
t
t
DQSQ)
QHS)
is represented here. Systems requiring the fast slew rate setup and hold values are supported, provided the faster
minimum slew rate is met.
DESCRIPTION
t
CK (MAX))
t
t
IH
IS
s
s
)]
)]
t
RFC)
t
t
DH)
t
DS)
t
IH)
t
IS)
RC)
184-PIN REGISTERED DDR SDRAM DIMM
25
13ns (-26A/-265/-202)
ENTRY (VERSION)
0.75ns (-26A/-265)
1.0ns (-26A/-265)
1.0ns (-26A/-265)
0.5ns (-26A/-265)
0.5ns (-26A/-265)
0.5ns (-26A/-265)
65ns (-26A/-265)
75ns (-26A/-265)
0.45ns (-335)
0.45ns (-335)
0.35ns (-335)
0.50ns (-335)
.80ns (-335)
1.1ns (-202)
.80ns (-335)
1.1ns (-202)
0.6ns (-202)
0.6ns (-202)
0.6ns (-202)
1.0ns (-202)
60ns (-335)
70ns (-202)
80ns (-202)
12ns (-335)
Release 0.0
72ns (-335)
MICRON
512MB
1 - 11
Micron Technology, Inc., reserves the right to change products or specifications without notice.
-26A
1 - 9
-335
-265
-202
0
MT18VDDF6472G (Hex)
512MB (x72)
PRELIMINARY
01 - B0
01 -09
A0
A0
A0
80
80
B0
80
B0
45
50
60
45
50
60
00
3C
41
46
48
4B
50
30
34
23
32
3C
50
75
00
00
58
27
57
F2
2C
FF
00
x
x
x
x
–
©2002, Micron Technology, Inc.