MT46H16M32LFCM-6 AT:B Micron Technology Inc, MT46H16M32LFCM-6 AT:B Datasheet - Page 69
![](/photos/31/34/313421/mfg557-90-vfbga_sml.jpg)
MT46H16M32LFCM-6 AT:B
Manufacturer Part Number
MT46H16M32LFCM-6 AT:B
Description
Manufacturer
Micron Technology Inc
Type
DDR SDRAMr
Datasheet
1.MT46H16M32LFCM-6_ATB.pdf
(98 pages)
Specifications of MT46H16M32LFCM-6 AT:B
Organization
16Mx32
Density
512Mb
Address Bus
15b
Access Time (max)
6.5/5ns
Maximum Clock Rate
166MHz
Operating Supply Voltage (typ)
1.8V
Package Type
VFBGA
Operating Temp Range
0C to 70C
Operating Supply Voltage (max)
1.95V
Operating Supply Voltage (min)
1.7V
Supply Current
115mA
Pin Count
90
Mounting
Surface Mount
Operating Temperature Classification
Commercial
Lead Free Status / Rohs Status
Compliant
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DQ (First data no longer valid)
Figure 31: Data Output Timing –
PDF: 09005aef82d5d305
512mb_ddr_mobile_sdram_t47m.pdf – Rev. I 12/09 EN
DQ (First data no longer valid)
DQ and DQS, collectively
DQS0/DQS1/DQS2/DQS3
DQ (Last data valid)
DQ (Last data valid)
Notes:
CK#
DQ
DQ
DQ
DQ
DQ
DQ
CK
6,7
4
4
4
4
4
4
4
4
T1
1.
2. DQ transitioning after DQS transitions define the
3.
4. Byte 0 is DQ[7:0], byte 1 is DQ[15:8], byte 2 is DQ[23:16], byte 3 is DQ[31:24].
5.
6. The data valid window is derived for each DQS transition and is
7. DQ[7:0] and DQS0 for byte 0; DQ[15:8] and DQS1 for byte 1; DQ[23:16] and DQS2 for
t
t
DQS transition and ends with the last valid DQ transition.
t
byte 2; DQ[31:23] and DQS3 for byte 3.
t
HP
HP is the lesser of
DQSQ is derived at each DQS clock edge and is not cumulative over time; it begins with
QH is derived from
1
t
DQSQ,
t
HP
t
DQSQ
1
t
QH
t
QH, and Data Valid Window (x32)
T2
Data valid
5
2,3
window
t
CL or
t
T2
T2
T2
HP:
t
HP
1
t
t
t
QH =
DQSQ
CH clock transition collectively when a bank is active.
69
T2n
t
QH
Data valid
5
window
2,3
t
512Mb: x16, x32 Mobile LPDDR SDRAM
t
HP -
T2n
T2n
T2n
HP
1
t
Micron Technology, Inc. reserves the right to change products or specifications without notice.
T3
QHS.
t
DQSQ
t
QH
t
5
2,3
Data valid
HP
window
1
T3
T3
T3
T3n
t
DQSQ window.
t
DQSQ
t
t
HP
QH
1
5
Data valid
2,3
window
T4
T3n
T3n
T3n
© 2004 Micron Technology, Inc. All rights reserved.
t
READ Operation
QH -
t
DQSQ.
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