參數(shù)資料
型號(hào)： MT46V64M8
廠商： Micron Technology, Inc.
英文描述： 16 Meg x 8 x 4 banks DDR SDRAM(16M x 8 x 4組,雙數(shù)據(jù)速率同步動(dòng)態(tài)RAM)
中文描述： 16梅格× 8 × 4銀行DDR SDRAM內(nèi)存（1,600 × 8 × 4組，雙數(shù)據(jù)速率同步動(dòng)態(tài)RAM）的
文件頁(yè)數(shù)： 61/70頁(yè)
文件大?。?/td> 2524K
代理商： MT46V64M8
61
512Mb: x4, x8, x16 DDR SDRAM
512Mx4x8x16DDR_A.p65
–
Rev. A; Pub 10/00
Micron Technology, Inc., reserves the right to change products or specifications without notice.
2000, Micron Technology, Inc.
512Mb: x4, x8, x16
DDR SDRAM
ADVANCE
POWER-DOWN MODE
CK
CK#
COMMAND
VALID1
NOP
ADDR
CKE
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.
DQ
DM
DQS
VALID
t
CK
t
CH
t
CL
t
IS
t
IS
t
IH
t
IS
t
IS
t
IH
t
IH
t
IS
Enter 2
Power-Down
Mode
Exit
Power-Down
Mode
t
REFC
(
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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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(
)
T0
T1
Ta0
Ta1
Ta2
T2
NOP
DON
’
T CARE
(
)
(
)
(
)
(
)
VALID
VALID
TIMING PARAMETERS
-7
-75
-8
SYMBOL
t
CH
t
CL
t
CK (2.5)
MIN
0.45
0.45
7
MAX
0.55
0.55
12
MIN
0.45
0.45
7.5
MAX
0.55
0.55
12
MIN
0.45
0.45
8
MAX
0.55
0.55
12
UNITS
t
CK
t
CK
ns
-7
-75
-8
SYMBOL
t
CK (2)
t
IH
t
IS
MIN
7.5
1
1
MAX
12
MIN
10
1
1
MAX
12
MIN
10
1.1
1.1
MAX
12
UNITS
ns
ns
ns
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