MT49H16M36BM-25IT:A Micron Technology Inc, MT49H16M36BM-25IT:A Datasheet - Page 43
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MT49H16M36BM-25IT:A
Manufacturer Part Number
MT49H16M36BM-25IT:A
Description
Manufacturer
Micron Technology Inc
Type
RLDRAMr
Datasheet
1.MT49H16M36BM-25ITA.pdf
(76 pages)
Specifications of MT49H16M36BM-25IT:A
Organization
16Mx36
Address Bus
23b
Operating Supply Voltage (typ)
1.8V
Package Type
uBGA
Operating Temp Range
-40C to 85C
Operating Supply Voltage (max)
1.9V
Operating Supply Voltage (min)
1.7V
Pin Count
144
Mounting
Surface Mount
Operating Temperature Classification
Industrial
Lead Free Status / RoHS Status
Compliant
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Figure 18:
PDF: 09005aef80a41b46/Source: 09005aef809f284b
RLDRAM_II_CIO_Core.fm - Rev. D 6/09 EN
Power-Up/Initialization Flow Chart
Notes:
1. The sequence of the eight AUTO REFRESH commands (with respect to the 1,024 NOP com-
Step
10
11
12
13
14
15
16
17
18
19
1
2
3
4
5
6
7
8
9
mands) does not matter. As is required for any operation,
AUTO REFRESH command and a subsequent VALID command to the same bank.
Desired load mode register with A10–A17 LOW
Issue MRS command—A10–A17 must be LOW
Issue MRS command—A10–A17 must be LOW
576Mb: x9, x18, x36 2.5V Vext, 1.8V Vdd, HSTL, CIO, RLDRAM II
Apply stable CK/CK# and DK/DK#
Issue AUTO REFRESH to bank 0
Issue AUTO REFRESH to bank 1
Issue AUTO REFRESH to bank 2
Issue AUTO REFRESH to bank 3
Issue AUTO REFRESH to bank 4
Issue AUTO REFRESH to bank 5
Issue AUTO REFRESH to bank 6
Issue AUTO REFRESH to bank 7
Wait 1,024 NOP commands 1
Assert NOP for
V
Apply V
Wait at least 200µs
DD,
Valid command
V
and V
DD
Q ramp
REF
EXT
and V
ramp
t
MRSC
TT
43
consecutive clock
MRS commands
can be applied
simultaneously
Voltage rails
must be on
cycles
Micron Technology, Inc., reserves the right to change products or specifications without notice.
t
RC must be met between an
©2004 Micron Technology, Inc. All rights reserved.
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