参数资料
型号: MT46V32M4TG-75Z
厂商: Micron Technology, Inc.
英文描述: DOUBLE DATA RATE DDR SDRAM
中文描述: 双倍数据速率的DDR SDRAM内存
文件页数: 60/68页
文件大小: 2547K
代理商: MT46V32M4TG-75Z
60
128Mb: x4, x8, x16 DDR SDRAM
128Mx4x8x16DDR_C.p65
Rev. C; Pub. 4/01
Micron Technology, Inc., reserves the right to change products or specifications without notice.
2001, Micron Technology, Inc.
128Mb: x4, x8, x16
DDR SDRAM
PRELIMINARY
TIMING PARAMETERS
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
(
)
(
)
(
)
(
)
(
)
(
)
(
)
(
)
(
)
(
)
(
)
(
)
(
)
(
)
(
)
(
(
)
(
)
)
(
)
(
)
(
)
(
)
T0
T1
Ta0
Ta1
Ta2
T2
NOP
DON
T CARE
(
)
(
)
(
)
(
)
VALID
VALID
-75Z
-75
-8
SYMBOL
t
CH
t
CL
t
CK (2.5)
MIN
0.45
0.45
7.5
MAX
0.55
0.55
13
MIN
0.45
0.45
7.5
MAX
0.55
0.55
13
MIN
0.45
0.45
8
MAX
0.55
0.55
13
UNITS
t
CK
t
CK
ns
t
CK (2)
t
IH
t
IS
7.5
1
1
13
10
1
1
13
10
1.1
1.1
13
ns
ns
ns
-75Z
-75
-8
SYMBOL
MIN
MAX
MIN
MAX
MIN
MAX
UNITS
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