MT46V16M8TG-8 查看數據表（PDF） - Micron Technology
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MT46V16M8TG-8 Datasheet PDF : 68 Pages
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POWER-DOWN MODE
PRELIMINARY
128Mb: x4, x8, x16
DDR SDRAM
CK#
CK
CKE
COMMAND
ADDR
DQS
DQ
DM
T0
T1
T2
Ta0
((
))
((
tCK
tCH tCL ) )
tIS tIH
tIS
tIS tIH
VALID1
NOP
tIS tIH
VALID
Enter 2
Power-Down
Mode
((
))
((
))
((
))
((
))
((
))
((
))
((
))
((
))
((
))
((
))
((
))
tREFC
Ta1
Ta2
tIS
NOP
VALID
VALID
Exit
Power-Down
Mode
DON’T CARE
NOTE: 1. If this command is a PRECHARGE (or if the device is already in the idle state), then the
power-down mode shown is 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.
2. No column accesses are allowed to be in progress at the time power-down is entered.
TIMING PARAMETERS
SYMBOL
tCH
tCL
tCK (2.5)
-75Z
MIN MAX
0.45 0.55
0.45 0.55
7.5
13
-75
MIN MAX
0.45 0.55
0.45 0.55
7.5
13
-8
MIN MAX
0.45 0.55
0.45 0.55
8
13
UNITS
tCK
tCK
ns
SYMBOL
tCK (2)
tIH
tIS
-75Z
MIN MAX
7.5
13
1
1
-75
MIN MAX
10
13
1
1
-8
MIN MAX
10
13
1.1
1.1
UNITS
ns
ns
ns
128Mb: x4, x8, x16 DDR SDRAM
128Mx4x8x16DDR_C.p65 – Rev. C; Pub. 4/01
60
Micron Technology, Inc., reserves the right to change products or specifications without notice.
©2001, Micron Technology, Inc.
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