MT46H16M16LFBF-6 AT:H TR Micron Technology Inc, MT46H16M16LFBF-6 AT:H TR Datasheet - Page 88
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MT46H16M16LFBF-6 AT:H TR
Manufacturer Part Number
MT46H16M16LFBF-6 AT:H TR
Description
IC DDR SDRAM 256MBIT 60VFBGA
Manufacturer
Micron Technology Inc
Datasheet
1.MT46H16M16LFBF-5H.pdf
(96 pages)
Specifications of MT46H16M16LFBF-6 AT:H TR
Format - Memory
RAM
Memory Type
Mobile DDR SDRAM
Memory Size
256M (16Mx16)
Speed
166MHz
Interface
Parallel
Voltage - Supply
1.7 V ~ 1.95 V
Operating Temperature
-40°C ~ 105°C
Package / Case
60-VFBGA
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
- Current page: 88 of 96
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SELF REFRESH Operation
PDF: 09005aef834bf85b
256mb_mobile_ddr_sdram_t36n.pdf - Rev. H 11/09 EN
The SELF REFRESH command can be used to retain data in the device while the rest of
the system is powered down. When in self refresh mode, the device retains data without
external clocking. The SELF REFRESH command is initiated like an AUTO REFRESH
command, except that CKE is disabled (LOW). All command and address input signals
except CKE are “Don’t Care” during self refresh.
During self refresh, the device is refreshed as defined in the extended mode register.
(see Partial-Array Self Refresh (page 54).) An internal temperature sensor adjusts the
refresh rate to optimize device power consumption while ensuring data integrity. (See
Temperature-Compensated Self Refresh (page 53).)
The procedure for exiting self refresh requires a sequence of commands. First, CK must
be stable prior to CKE going HIGH. When CKE is HIGH, the device must have NOP com-
mands issued for
During SELF REFRESH operation, refresh intervals are scheduled internally and may
vary. These refresh intervals may differ from the specified
the SELF REFRESH command must not be used as a substitute for the AUTO REFRESH
command.
t
XSR to complete any internal refresh already in progress.
88
256Mb: x16, x32 Mobile LPDDR SDRAM
Micron Technology, Inc. reserves the right to change products or specifications without notice.
SELF REFRESH Operation
t
REFI time. For this reason,
©2008 Micron Technology, Inc. All rights reserved.
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