MT48LC16M8A2TG-75AT:G Micron Technology Inc, MT48LC16M8A2TG-75AT:G Datasheet - Page 39
MT48LC16M8A2TG-75AT:G
Manufacturer Part Number
MT48LC16M8A2TG-75AT:G
Description
Manufacturer
Micron Technology Inc
Datasheet
1.MT48LC16M8A2TG-75ATG.pdf
(74 pages)
Specifications of MT48LC16M8A2TG-75AT:G
Lead Free Status / Rohs Status
Not Compliant
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Figure 30:
Figure 31:
WRITE with Auto Precharge
PDF: 09005aef8091e66d/Source: 09005aef8091e625
128MSDRAM_2.fm - Rev. N 1/09 EN
Internal
States
Internal
States
READ With Auto Precharge Interrupted by a READ
READ With Auto Precharge Interrupted by a WRITE
Notes:
Notes:
COMMAND
COMMAND
ADDRESS
BANK m
ADDRESS
BANK m
BANK n
BANK n
DQM
CLK
CLK
DQ
DQ
1. DQM is LOW.
1. DQM is HIGH at T2 to prevent D
• Interrupted by a READ (with or without auto precharge): A READ to bank m will inter-
1
rupt a WRITE on bank n when registered, with the data-out appearing CL later. The
precharge to bank n will begin after
bank m is registered. The last valid WRITE to bank n will be data-in registered one
clock prior to the READ to bank m (Figure 32 on page 40).
Active
Page
READ - AP
BANK n,
Page Active
BANK n
COL a
T0
NOP
T0
READ with Burst of 4
READ - AP
BANK n,
Page Active
Page Active
BANK n
COL a
T1
T1
NOP
CL = 3 (BANK n)
READ with Burst of 4
CL = 3 (BANK n)
T2
T2
NOP
NOP
39
BANK m,
READ - AP
T3
BANK m
T3
COL d
OUT
D
NOP
OUT
a
Interrupt Burst, Precharge
READ with Burst of 4
a + 1 from contending with D
t
Micron Technology, Inc., reserves the right to change products or specifications without notice.
WR is met, where
TRANSITIONING DATA
BANK m,
WRITE - AP
TRANSITIONING DATA
COL d
BANK m
T4
T4
CL = 3 (BANK m)
D
NOP
d
IN
Interrupt Burst, Precharge
D
WRITE with Burst of 4
OUT
a
t
RP - BANK n
T5
T5
d + 1
NOP
NOP
D
IN
D
a + 1
128Mb: x4, x8, x16 SDRAM
OUT
t
RP - BANK n
t
WR begins when the READ to
T6
T6
d + 2
NOP
NOP
D
IN
D
OUT
©1999 Micron Technology, Inc. All rights reserved.
d
IN
DON’T CARE
DON’T CARE
at T4.
Idle
T7
T7
t WR - BANK m
d + 3
NOP
NOP
D
t RP - BANK m
IN
Precharge
Write-Bac k
D
d + 1
OUT
Idle
Operations
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