MT46H16M16LFBF-5 IT:H TR Micron Technology Inc, MT46H16M16LFBF-5 IT:H TR Datasheet - Page 54
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MT46H16M16LFBF-5 IT:H TR
Manufacturer Part Number
MT46H16M16LFBF-5 IT:H TR
Description
IC DDR SDRAM 256MBIT 60VFBGA
Manufacturer
Micron Technology Inc
Datasheet
1.MT46H16M16LFBF-5H.pdf
(96 pages)
Specifications of MT46H16M16LFBF-5 IT:H TR
Format - Memory
RAM
Memory Type
Mobile DDR SDRAM
Memory Size
256M (16Mx16)
Speed
200MHz
Interface
Parallel
Voltage - Supply
1.7 V ~ 1.95 V
Operating Temperature
-40°C ~ 85°C
Package / Case
60-VFBGA
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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Partial-Array Self Refresh
Output Drive Strength
PDF: 09005aef834bf85b
256mb_mobile_ddr_sdram_t36n.pdf - Rev. H 11/09 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.
54
256Mb: x16, x32 Mobile LPDDR SDRAM
Micron Technology, Inc. reserves the right to change products or specifications without notice.
Extended Mode Register
©2008 Micron Technology, Inc. All rights reserved.
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