MT47H256M4HQ-3E:G Micron Technology Inc, MT47H256M4HQ-3E:G Datasheet - Page 39

• Manufacturer Part Number: MT47H256M4HQ-3E:G
• Manufacturer: Micron Technology Inc
• Type: DDR2 SDRAMr

Specifications of MT47H256M4HQ-3E:G

• Organization: 256Mx4
• Density: 1Gb
• Address Bus: 17b
• Access Time (max): 450ps
• Maximum Clock Rate: 667MHz
• Operating Supply Voltage (typ): 1.8V
• Package Type: FBGA
• Operating Temp Range: 0C to 85C
• Operating Supply Voltage (max): 1.9V
• Operating Supply Voltage (min): 1.7V
• Supply Current: 120mA
• Pin Count: 60
• Mounting: Surface Mount
• Operating Temperature Classification: Commercial
• Lead Free Status / RoHS Status: Compliant

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
Exit SELF REFRESH
to nonREAD
command
Exit SELF REFRESH
to READ command
Exit SELF REFRESH
timing reference
Exit active
power-
down to
READ
command
Exit precharge
power-down and
active power-down
to any
nonREAD
command
CKE MIN HIGH/
LOW time
= +1.8V ±0.1V, V
Parameter
AC Characteristics
MR12
MR12
= 0
= 1
DD
Symbol
t
= +1.8V ±0.1V
t
t
XARD
t
XSNR
XSRD
t
ISXR
t
CKE
XP
10 - AL
Min
3
3
-187E
Max
–
–
–
8 - AL
Min
2
2
-25E
Max
–
–
–
8 - AL
Min
2
2
-25
MIN limit =
Max
–
–
–
MAX limit = n/a
MAX limit = n/a
MAX limit = n/a
MIN limit = 200
MIN limit =
7 - AL
MAX = n/a
Min
MIN = 3
2
2
t
-3E
RFC (MIN) + 10
Max
–
–
–
t
IS
7 - AL
Min
2
2
-3
Max
–
–
–
6 - AL
Min
2
2
-37E
Max
–
–
–
6 - AL
Min
2
2
-5E
Max
–
–
–
Units Notes
t
t
t
t
t
ns
CK
ps
CK
CK
CK
CK
33, 43
18, 44
18
18
18
18