MT48H32M32LFB5-6 IT:B Micron, MT48H32M32LFB5-6 IT:B Datasheet - Page 31
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MT48H32M32LFB5-6 IT:B
Manufacturer Part Number
MT48H32M32LFB5-6 IT:B
Description
Manufacturer
Micron
Datasheet
1.MT48H32M32LFB5-6_ITB.pdf
(81 pages)
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Table 16: Truth Table – Current State Bank n, Command to Bank m
Notes 1–6 apply to all parameters and conditions
PDF: 09005aef8404b23d
y68m_mobile_lpsdr.pdf – Rev. D 1/11 EN
Current State
Any
Idle
Row activating, active, or
precharging
Read
(auto precharge disabled)
Write
(auto precharge disabled)
Read
(with auto precharge)
Write
(with auto precharge)
Notes:
CS#
H
X
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
1. This table applies when CKE
2. This table describes alternate bank operation, except where noted; for example, the cur-
3. Current state definitions:
after
rent state is for bank n and the commands shown can be issued to bank m, assuming
that bank m is in such a state that the given command is supported. Exceptions are cov-
ered below.
Idle: The bank has been precharged, and
Row active: A row in the bank has been activated, and
bursts/accesses and no register accesses are in progress.
Read: A READ burst has been initiated, with auto precharge disabled, and has not yet
terminated or been terminated.
Write: A WRITE burst has been initiated, with auto precharge disabled, and has not yet
terminated or been terminated.
RAS# CAS# WE# Command/Action
H
H
H
H
H
H
H
H
H
H
H
X
X
L
L
L
L
L
L
L
L
L
L
t
XSR has been met (if the previous state was self refresh).
H
H
H
H
H
H
H
H
H
H
H
X
X
L
L
L
L
L
L
L
L
L
L
H
H
H
H
H
H
H
H
H
H
H
X
X
L
L
L
L
L
L
L
L
L
L
COMMAND INHIBIT (NOP/continue previous operation)
NO OPERATION (NOP/continue previous operation)
Any command otherwise supported for bank m
ACTIVE (select and activate row)
READ (select column and start READ burst)
WRITE (select column and start WRITE burst)
PRECHARGE
ACTIVE (select and activate row)
READ (select column and start new READ burst)
WRITE (select column and start WRITE burst)
PRECHARGE
ACTIVE (select and activate row)
READ (select column and start READ burst)
WRITE (select column and start new WRITE burst)
PRECHARGE
ACTIVE (select and activate row)
READ (select column and start new READ burst)
WRITE (select column and start WRITE burst)
PRECHARGE
ACTIVE (select and activate row)
READ (select column and start READ burst)
WRITE (select column and start new WRITE burst)
PRECHARGE
31
n-1
was HIGH and CKE
Micron Technology, Inc. reserves the right to change products or specifications without notice.
t
RP has been met.
1Gb: x32 Mobile LPSDR SDRAM
n
is HIGH (Table 17 (page 33)), and
t
RCD has been met. No data
© 2010 Micron Technology, Inc. All rights reserved.
Truth Tables
7, 8, 14
7, 8, 15
7, 8, 16
7, 8, 17
Notes
7, 10
7, 11
7, 12
7, 13
7
7
9
9
9
9
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