MT18VDDT12872AG-40BF1 Micron Technology Inc, MT18VDDT12872AG-40BF1 Datasheet - Page 18

• Manufacturer Part Number: MT18VDDT12872AG-40BF1
• Description: MODULE DDR SDRAM 1GB 184-DIMM
• Manufacturer: Micron Technology Inc

Specifications of MT18VDDT12872AG-40BF1

• Memory Type: DDR SDRAM
• Memory Size: 1GB
• Speed: 400MT/s
• Package / Case: 184-DIMM
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

Table 16: DDR SDRAM Component Electrical Characteristics and
Notes: 1–5, 8, 12–15, 29, 31; notes appear on pages 19–21; 0°C
pdf: 09005aef80814e61, source: 09005aef80a43eed
DDA18C32_64_128x72AG.fm - Rev. E 9/04 EN
AC CHARACTERISTICS
PARAMETER
ACTIVE bank a to ACTIVE bank b command
DQS write preamble
DQS write preamble setup time
DQS write postamble
Write recovery time
Internal WRITE to READ command delay
Data valid output window
REFRESH to REFRESH command interval
Average periodic refresh interval
Terminating voltage delay to V
Exit SELF REFRESH to non-READ command
Exit SELF REFRESH to READ command
Recommended AC Operating Conditions (Continued)
DD
256MB, 512MB, 1GB (x72, ECC, DR), PC3200
256MB
512MB,
1GB
256MB
512MB,
1GB
18
SYMBOL
t
t
WPRES
t
t
t
t
t
WPRE
t
WPST
t
t
XSNR
XSRD
REFC
t
WTR
RRD
REFI
VTD
WR
na
T
A
+70°C; V
Micron Technology, Inc., reserves the right to change products or specifications without notice.
184-PIN DDR SDRAM UDIMM
MIN
0.25
200
0.4
10
15
75
DD
0
2
0
t
QH -
= V
-40B
DD
t
DQSQ
Q = +2.6V ±0.1V
MAX
140.6
70.3
15.6
0.6
7.8
UNITS
t
t
t
t
ns
CK
ns
CK
ns
CK
ns
µs
µs
µs
µs
ns
ns
CK
©2004 Micron Technology, Inc.
NOTES
18, 19
17
22
21
21