MT47H32M8BP-5E IT:B Micron Technology Inc, MT47H32M8BP-5E IT:B Datasheet - Page 124
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MT47H32M8BP-5E IT:B
Manufacturer Part Number
MT47H32M8BP-5E IT:B
Description
Manufacturer
Micron Technology Inc
Type
DDR2 SDRAMr
Datasheet
1.MT47H32M8BP-5E_ITB.pdf
(128 pages)
Specifications of MT47H32M8BP-5E IT:B
Organization
32Mx8
Density
256Mb
Address Bus
15b
Access Time (max)
600ps
Maximum Clock Rate
400MHz
Operating Supply Voltage (typ)
1.8V
Package Type
FBGA
Operating Temp Range
-40C to 85C
Operating Supply Voltage (max)
1.9V
Operating Supply Voltage (min)
1.7V
Supply Current
125mA
Pin Count
60
Mounting
Surface Mount
Operating Temperature Classification
Industrial
Lead Free Status / Rohs Status
Compliant
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MRS Command to ODT Update Delay
Figure 80: Timing for MRS Command to ODT Update Delay
Figure 81: ODT Timing for Active or Fast-Exit Power-Down Mode
PDF: 09005aef8117c187
256MbDDR2.pdf - Rev. M 7/09 EN
Notes:
During normal operation, the value of the effective termination resistance can be
changed with an EMRS set command.
R
Command
Command
TT
Address
Internal
1. The LM command is directed to the mode register, which updates the information in
2. To prevent any impedance glitch on the channel, the following conditions must be met:
setting
ODT 2
ODT
CK#
CKE
CK#
R
CK
CK
TT
EMR (A6, A2), that is, R
t
entire duration of the
AOFD must be met before issuing the LM command; ODT must remain LOW for the
Valid
Valid
T0
T0
Old setting
t AOFD
t CK
EMRS 1
Ta0
Valid
Valid
T1
t CH
0ns
t
TT
MOD window until
124
(nominal).
t CL
t AON (MIN)
t AOND
Ta1
NOP
Valid
Valid
t AON (MAX)
T2
t MOD
t
MOD (MAX) updates the R
Undefined
Micron Technology, Inc. reserves the right to change products or specifications without notice.
NOP
Ta2
Valid
Valid
T3
t AOFD
256Mb: x4, x8, x16 DDR2 SDRAM
R
TT
t
MOD is met.
Unknown
NOP
Ta3
Valid
Valid
T4
t IS
t AOF (MIN)
R
2
Ta4
NOP
Valid
Valid
TT
T5
©2003 Micron Technology, Inc. All rights reserved.
t AOF (MAX)
On
New setting
Indicates a break in
time scale
TT
setting.
NOP
Ta5
Valid
Valid
Don’t Care
T6
ODT Timing
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