MT48LC32M4A2TG-75:G TR Micron Technology Inc, MT48LC32M4A2TG-75:G TR Datasheet - Page 44
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MT48LC32M4A2TG-75:G TR
Manufacturer Part Number
MT48LC32M4A2TG-75:G TR
Description
IC SDRAM 128MBIT 133MHZ 54TSOP
Manufacturer
Micron Technology Inc
Datasheet
1.MT48LC8M16A2P-75G_TR.pdf
(74 pages)
Specifications of MT48LC32M4A2TG-75:G TR
Format - Memory
RAM
Memory Type
SDRAM
Memory Size
128M (32Mx4)
Speed
133MHz
Interface
Parallel
Voltage - Supply
3 V ~ 3.6 V
Operating Temperature
0°C ~ 70°C
Package / Case
54-TSOP II
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Other names
557-1081-1
MT48LC32M4A2TG-75:G
MT48LC32M4A2TG-75:G
Table 10:
PDF: 09005aef8091e66d/Source: 09005aef8091e625
128MSDRAM_2.fm - Rev. N 1/09 EN
precharging
precharge)
precharge)
activating,
(with auto
(with auto
precharge
precharge
active, or
disabled)
disabled)
Current
State
Write
Write
(auto
(auto
Read
Read
Row
Any
Idle
Truth Table 4 – Current State Bank n, Command to Bank m
Notes: 1–6; notes appear below and on next page
CS#
Notes:
H
X
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
RAS#
1. This table applies when CKE
2. This table describes alternate bank operation, except where noted; that is, the current state
3. Current state definitions:
4. AUTO REFRESH, SELF REFRESH, and LMR commands may only be issued when all banks are
H
H
H
H
H
H
H
H
H
H
H
X
X
L
L
L
L
L
L
L
L
L
L
after
is for bank n, and the commands shown are those allowed to be issued to bank m (assuming
that bank m is in such a state that the given command is allowable). Exceptions are covered
in the notes below.
Idle:
Row active:
Read:
Write:
Read w/auto
precharge enabled:
Write w/auto
precharge enabled:
idle.
t
CAS#
XSR has been met (if the previous state was self refresh).
X
H
X
H
H
H
H
H
H
H
H
H
H
L
L
L
L
L
L
L
L
L
L
WE#
X
H
X
H
H
H
H
H
H
H
H
H
H
L
L
L
L
L
L
L
L
L
L
The bank has been precharged, and
A row in the bank has been activated, and
data bursts/accesses and no register accesses are in progress.
A READ burst has been initiated, with auto precharge disabled, and
has not yet terminated or been terminated.
A WRITE burst has been initiated, with auto precharge disabled, and
has not yet terminated or been terminated.
Starts with registration of a READ command with auto precharge
enabled, and ends when
bank will be in the idle state.
Starts with registration of a WRITE command with auto precharge
enabled, and ends when
bank will be in the idle state.
Command (Action)
COMMAND INHIBIT (NOP/continue previous operation)
NO OPERATION (NOP/continue previous operation)
Any command otherwise allowed to 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
n - 1
44
was HIGH and CKE
Micron Technology, Inc., reserves the right to change products or specifications without notice.
t
t
RP has been met. After
RP has been met. After
n
is HIGH (see Table 8 on page 41) and
128Mb: x4, x8, x16 SDRAM
t
RP has been met.
©1999 Micron Technology, Inc. All rights reserved.
t
RCD has been met. No
t
t
RP is met, the
RP is met, the
Operations
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