MT46H64M16LFCK-75:A TR Micron Technology Inc, MT46H64M16LFCK-75:A TR Datasheet - Page 53
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MT46H64M16LFCK-75:A TR
Manufacturer Part Number
MT46H64M16LFCK-75:A TR
Description
Manufacturer
Micron Technology Inc
Type
DDR SDRAMr
Datasheet
1.MT46H64M16LFCK-75A_TR.pdf
(96 pages)
Specifications of MT46H64M16LFCK-75:A TR
Organization
64Mx16
Density
1Gb
Address Bus
14b
Access Time (max)
6.5/6ns
Maximum Clock Rate
133MHz
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
105mA
Pin Count
60
Mounting
Surface Mount
Operating Temperature Classification
Commercial
Lead Free Status / RoHS Status
Compliant
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Partial-Array Self Refresh
Output Drive Strength
PDF: 09005aef82ce3074
1gb_ddr_mobile_sdram_t48m.pdf - Rev. L 04/10 EN
For further power savings during self refresh, the partial-array self refresh (PASR) fea-
ture enables the controller to select the amount of memory to be refreshed during self
refresh. The refresh options include:
• Full array: banks 0, 1, 2, and 3
• One-half array: banks 0 and 1
• One-quarter array: bank 0
• One-eighth array: bank 0 with row address most significant bit (MSB) = 0
• One-sixteenth array: bank 0 with row address MSB = 0 and row address MSB - 1 = 0
READ and WRITE commands can still be issued to the full array during standard opera-
tion, but only the selected regions of the array will be refreshed during self refresh. Data
in regions that are not selected will be lost.
Because the device is designed for use in smaller systems that are typically point-to-
point connections, an option to control the drive strength of the output buffers is
provided. Drive strength should be selected based on the expected loading of the mem-
ory bus. The output driver settings are 25Ω, 37Ω, and 55Ω internal impedance for full,
three-quarter, and one-half drive strengths, respectively.
53
1Gb: x16, x32 Mobile LPDDR SDRAM
Micron Technology, Inc. reserves the right to change products or specifications without notice.
Extended Mode Register
© 2007 Micron Technology, Inc. All rights reserved.
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