MT49H32M9FM-33 IT Micron Technology Inc, MT49H32M9FM-33 IT Datasheet - Page 44

• Manufacturer Part Number: MT49H32M9FM-33 IT
• Manufacturer: Micron Technology Inc
• Type: RLDRAMr

Specifications of MT49H32M9FM-33 IT

• Organization: 32Mx9
• Density: 288Mb
• Address Bus: 22b
• Maximum Clock Rate: 300MHz
• 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
• Supply Current: 609mA
• Pin Count: 144
• Mounting: Surface Mount
• Operating Temperature Classification: Industrial
• Lead Free Status / RoHS Status: Not Compliant

Figure 17:
PDF: 09005aef80a41b46/Source: 09005aef809f284b
RLDRAM_II_CIO_Core.fm - Rev. D 12/10 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
288Mb: x9, x18, x36 2.5V V
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 t MRSC
V
Apply V
Wait at least 200µs
DD
Valid command
,
V
and V
DDQ
REF
ramp
EXT
and V
ramp
TT
44
consecutive clock
MRS commands
simultaneously
can be applied
Voltage rails
must be on
cycles
Micron Technology, Inc., reserves the right to change products or specifications without notice.
EXT
, 1.8V V
DD
t
RC must be met between an
, HSTL, CIO, RLDRAM II
©2004 Micron Technology, Inc. All rights reserved.
Operations