MT47H256M4BT-5E:A TR Micron Technology Inc, MT47H256M4BT-5E:A TR Datasheet - Page 32

• Manufacturer Part Number: MT47H256M4BT-5E:A TR
• Description: IC DDR2 SDRAM 1GBIT 5NS 92FBGA
• Manufacturer: Micron Technology Inc

Specifications of MT47H256M4BT-5E:A TR

• Format - Memory: RAM
• Memory Type: DDR2 SDRAM
• Memory Size: 1G (256M x 4)
• Speed: 5ns
• Interface: Parallel
• Voltage - Supply: 1.7 V ~ 1.9 V
• Operating Temperature: 0°C ~ 85°C
• Package / Case: 92-FBGA
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 557-1206-1

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;
V
DDQ
DQS output access
time from CK/CK#
DQS read preamble
DQS read
postamble
CK/CK# to DQS
Low-Z
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
Symbol
t
t
DQSCK
t
WPRES
t
t
= +1.8V ±0.1V
t
t
t
t
DQSH
WPRE
t
WPST
DQSS
DQSL
RPRE
RPST
t
t
DSH
DSS
LZ
–
1
–300
Min
-187E
Max
+300
–350
Min
-25E
Max
+350
–350 +350
Min
-25
Max
MAX = WL +
MAX = +0.25 ×
MAX =
MIN = –0.25 ×
MIN = WL -
MIN =
MIN = 0.35 ×
MIN = 0.35 ×
MIN = 0.35 ×
MAX = 1.1 ×
MAX = 0.6 ×
MAX = 0.6 ×
MIN = 0.9 ×
MIN = 0.4 ×
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
–400
Min
MIN = 0
t
t
-3E
AC (MIN)
AC (MAX)
Max
+400
t
DQSS
t
DQSS
t
t
t
t
t
t
t
t
CK
CK
t
t
CK
CK
t
CK
CK
CK
CK
t
CK
CK
CK
CK
t
CK
–400
Min
-3
Max
+400
–450
Min
-37E
Max
+450
–500
Min
-5E
+500
Max
Units Notes
t
t
t
t
t
t
t
t
t
t
ps
CK
CK
ps
CK
CK
CK
CK
CK
ps
CK
CK
CK
17, 18,
17, 18,
19, 21,
19, 20
23, 24
18, 25
19
19
22
18
18
18
18
18
18