MT46V128M8 MICRON [Micron Technology], MT46V128M8 Datasheet - Page 64

• Manufacturer Part Number: MT46V128M8
• Description: DOUBLE DATA RATE (DDR) SDRAM
• Manufacturer: MICRON [Micron Technology]

NOTE:
09005aef8076894f
1gbDDRx4x8x16_2.fm - Rev. A 3/03 EN
1. If this command is a PRECHARGE (or if the device is already in the idle state), then the power-down mode shown is
2. No column accesses are allowed to be in progress at the time power-down is entered.
precharge power-down. If this command is an ACTIVE (or if at least one row is already active), then the power-down
mode shown is active power-down.
SYMBOL
t
CK (2.5)
t
t
CH
CL
COMMAND
ADDR
MIN
0.45
0.45
DQS
7.5
CK#
CKE
DM
DQ
CK
-75
t
t
t
VALID 1
IS
VALID
IS
IS
T0
t
t
IH
t
IH
IH
MAX
0.55
0.55
13
t
CK
Figure 43: Power-Down Mode
Power-Down
Enter 2
t
Mode
IS
NOP
T1
t
CH
UNITS
t
t
CK
CK
ns
t
CL
T2
(
(
(
(
(
(
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(
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(
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(
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(
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(
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)
)
)
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)
)
(
(
(
(
(
(
(
)
(
)
(
)
(
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(
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(
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)
)
)
)
64
t
REFC
SYMBOL
t
CK (2)
t
t
IH
Ta0
IS
Micron Technology, Inc., reserves the right to change products or specifications without notice.
F
F
Power-Down
t
IS
Mode
Ta1
NOP
Exit
MIN
.90
.90
10
-75
1Gb: x4, x8, x16
VALID
VALID
Ta2
DON’T CARE
MAX
DDR SDRAM
13
PRELIMINARY
©2003 Micron Technology. Inc.
UNITS
ns
ns
ns