參數(shù)資料
型號: MT47H128M8HV-187ELIT:E
元件分類: DRAM
英文描述: 128M X 8 DDR DRAM, 0.35 ns, PBGA60
封裝: 8 X 11.50 MM, FBGA-60
文件頁數(shù): 62/133頁
文件大?。?/td> 9170K
Table 11: AC Operating Specifications and Conditions (Continued)
Not all speed grades listed may be supported for this device; refer to the title page for speeds supported; Notes: 1–5 apply to the entire table;
VDDQ = +1.8V ±0.1V, VDD = +1.8V ±0.1V
AC Characteristics
-187E
-25E
-25
-3E
-3
-37E
-5E
Units Notes
Parameter
Symbol
Min
Max
Min Max Min Max Min Max Min Max Min Max Min Max
Data-Out
DQ output access
time from CK/CK#
tAC
–350
+350
–400 +400 –400 +400 –450 +450 –450 +450 –500 +500 –600 +600
ps
DQS–DQ skew,
DQS to last DQ
valid, per group,
per access
tDQSQ
175
200
200
240
240
300
350
ps
DQ hold from next
DQS strobe
tQHS
250
300
300
340
340
400
450
ps
DQ–DQS hold, DQS
to first DQ not valid
tQH
MIN = tHP - tQHS
MAX = n/a
ps
CK/CK# to DQ, DQS
High-Z
tHZ
MIN = n/a
MAX = tAC (MAX)
ps
CK/CK# to DQ
Low-Z
tLZ2
MIN = 2 × tAC (MIN)
MAX = tAC (MAX)
ps
Data valid output
window
DVW
MIN = tQH - tDQSQ
MAX = n/a
ns
Data-In
DQ and DM input
setup time to DQS
tDSb
0
50
50
100
100
100
150
ps
DQ and DM input
hold time to DQS
tDHb
75
125
125
175
175
225
275
ps
DQ and DM input
setup time to DQS
tDSa
200
250
250
300
300
350
400
ps
DQ and DM input
hold time to DQS
tDHa
200
250
250
300
300
350
400
ps
DQ and DM input
pulse width
tDIPW
MIN = 0.35 × tCK
MAX = n/a
tCK
1Gb:
x4,
x8,
x16
DDR2
SDRAM
AC
Timing
Operating
Specifications
PDF:
09005aef821ae8bf
1GbDDR2.pdf
Rev.
S
10/09
EN
34
Micron
Technology,
Inc.
reserves
the
right
to
change
products
or
specifications
without
notice.
2004
Micron
Technology,
Inc.
All
rights
reserved.
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