MT4VDDT864AG-26AB1 Micron Technology Inc, MT4VDDT864AG-26AB1 Datasheet - Page 17

• Manufacturer Part Number: MT4VDDT864AG-26AB1
• Description: MODULE SDRAM DDR 64MB 184DIMM
• Manufacturer: Micron Technology Inc

Specifications of MT4VDDT864AG-26AB1

• Memory Type: DDR SDRAM
• Memory Size: 64MB
• Speed: 266MT/s
• Package / Case: 184-DIMM
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

Table 16: DDR SDRAM Component Electrical Characteristics and Recommended
Notes: 1–5, 13-15, 29, 48; notes appear on pages 18–21; 0°C to +70°C; V
pdf: 09005aef8085081a, source: 09005aef806e129d
DD4C8_16_32x64AG.fm - Rev. B 9/04 EN
AC CHARACTERISTICS
PARAMETER
LOAD MODE REGISTER command cycle time
DQ-DQS hold, DQS to first DQ to go non-valid,
per access
Data hold skew factor
ACTIVE to PRECHARGE command
ACTIVE to READ with Auto precharge
command
ACTIVE to ACTIVE/AUTO REFRESH command
period
AUTO REFRESH command period
ACTIVE to READ or WRITE delay
PRECHARGE command period
DQS read preamble
DQS read postamble
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
AC Operating Conditions (Continued)
DD
64MB
128MB,
256MB
64MB
128MB,
256MB
SYMBOL
t
t
WPRES
t
t
t
t
t
t
t
t
WPRE
t
t
t
WPST
t
t
t
t
XSNR
XSRD
MRD
t
RPRE
REFC
RPST
t
WTR
t
QHS
RAP
RCD
RRD
REFI
VTD
RAS
t
t
RFC
QH
WR
na
RC
RP
t
17
MIN
t
0.25
HP -
QHS
t
200
0.9
0.4
0.4
12
42
15
60
72
15
15
12
15
QH -
75
0
1
0
-335
t
DQSQ
64MB, 128MB, 256MB (x64, SR)
70,000
MAX
140.6
0.55
70.3
15.6
1.1
0.6
0.6
7.8
Micron Technology, Inc., reserves the right to change products or specifications without notice.
DD
184-PIN DDR SDRAM UDIMM
= V
t
MIN
t
0.25
DD
HP -
QHS
t
200
0.9
0.4
0.4
15
40
15
60
75
15
15
15
15
75
QH -
0
1
0
Q = +2.5V ±0.2V
-262
t
DQSQ
120,000
MAX
140.6
0.75
70.3
15.6
1.1
0.6
0.6
7.8
t
t
MIN
0.25
QHS
HP -
t
200
0.9
0.4
0.4
15
40
20
65
75
20
20
15
15
QH -
75
-26A/-265
0
1
0
t
DQSQ
120,000
MAX
140.6
0.75
70.3
15.6
1.1
0.6
0.6
7.8
©2004 Micron Technology, Inc.
UNITS NOTES
t
t
t
t
t
t
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
µs
µs
µs
µs
ns
ns
CK
CK
CK
CK
CK
CK
22, 23
31, 49
18, 19
44
38
38
17
22
21
21
21
21