MT47H64M8CF-25E IT:G Micron Technology Inc, MT47H64M8CF-25E IT:G Datasheet - Page 33

• Manufacturer Part Number: MT47H64M8CF-25E IT:G
• Description: 64MX8 DDR2 SDRAM PLASTIC IND TEMP FBGA 1.8V
• Manufacturer: Micron Technology Inc

Table 12: 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;
V
DDQ
DQS rising edge to
CK rising edge
DQS input-high
pulse width
DQS input-low
pulse width
DQS falling to CK
rising: setup time
DQS falling from
CK rising:
hold time
Write preamble
setup time
DQS write
preamble
DQS write
postamble
WRITE command
to first DQS
transition
= 1.8V ±0.1V, V
Parameter
AC Characteristics
DD
= 1.8V ±0.1V
Symbol
t
t
WPRES
t
t
t
t
DQSH
WPRE
t
WPST
DQSS
DQSL
t
DSH
DSS
–
Min
-187E
Max
Min
-25E
Max
Min
-25
Max
MAX = WL +
MIN = –0.25 ×
MIN = WL -
MAX = 0.25 ×
MIN = 0.35 ×
MIN = 0.35 ×
MIN = 0.35 ×
MAX = 0.6 ×
MIN = 0.2 ×
MIN = 0.2 ×
MIN = 0.4 ×
MAX = n/a
MAX = n/a
MAX = n/a
MAX = n/a
MAX = n/a
MAX = n/a
Min
MIN = 0
-3E
Max
t
DQSS
t
DQSS
t
t
t
t
t
t
CK
CK
t
CK
t
CK
t
CK
CK
CK
CK
CK
Min
-3
Max
Min
-37E
Max
Min
-5E
Max
Units Notes
t
t
t
t
t
t
t
t
CK
CK
CK
CK
CK
ps
CK
CK
CK
23, 24
18, 25
18
18
18
18
18
18