MT46H16M32LFCX-5 IT:B Micron Technology Inc, MT46H16M32LFCX-5 IT:B Datasheet - Page 40
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MT46H16M32LFCX-5 IT:B
Manufacturer Part Number
MT46H16M32LFCX-5 IT:B
Description
IC DDR SDRAM 512MBIT 90VFBGA
Manufacturer
Micron Technology Inc
Datasheet
1.MT46H16M32LFCX-5B.pdf
(98 pages)
Specifications of MT46H16M32LFCX-5 IT:B
Format - Memory
RAM
Memory Type
Mobile DDR SDRAM
Memory Size
512M (16M x 32)
Speed
200MHz
Interface
Parallel
Voltage - Supply
1.7 V ~ 1.95 V
Operating Temperature
-40°C ~ 85°C
Package / Case
90-VFBGA
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
- Current page: 40 of 98
- Download datasheet (4Mb)
Figure 13: PRECHARGE Command
BURST TERMINATE
AUTO REFRESH
PDF: 09005aef82d5d305
512mb_ddr_mobile_sdram_t47m.pdf – Rev. I 12/09 EN
Note:
BA0, BA1
The BURST TERMINATE command is used to truncate READ bursts with auto pre-
charge disabled. The most recently registered READ command prior to the BURST
TERMINATE command will be truncated, as described in READ Operation (page 60).
The open page from which the READ was terminated remains open.
AUTO REFRESH is used during normal operation of the device and is analogous to CAS#-
BEFORE-RAS# (CBR) REFRESH in FPM/EDO DRAM. The AUTO REFRESH command is
nonpersistent and must be issued each time a refresh is required.
Addressing is generated by the internal refresh controller. This makes the address bits a
“Don’t Care” during an AUTO REFRESH command.
For improved efficiency in scheduling and switching between tasks, some flexibility in
the absolute refresh interval is provided. The auto refresh period begins when the AU-
TO REFRESH command is registered and ends
Address
1. If A10 is HIGH, bank address becomes “Don’t Care.”
RAS#
CAS#
WE#
CK#
CKE
A10
CS#
CK
HIGH
Single bank
All banks
Bank
Don’t Care
40
512Mb: x16, x32 Mobile LPDDR SDRAM
Micron Technology, Inc. reserves the right to change products or specifications without notice.
t
RFC later.
© 2004 Micron Technology, Inc. All rights reserved.
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