MT47H256M4HQ-187E:E TR Micron Technology Inc, MT47H256M4HQ-187E:E TR Datasheet - Page 31
MT47H256M4HQ-187E:E TR
Manufacturer Part Number
MT47H256M4HQ-187E:E TR
Description
IC DDR2 SDRAM 1GBIT 60VFBGA
Manufacturer
Micron Technology Inc
Type
DDR2 SDRAMr
Specifications of MT47H256M4HQ-187E:E TR
Format - Memory
RAM
Memory Type
DDR2 SDRAM
Memory Size
1G (256M x 4)
Speed
1.875ns
Interface
Parallel
Voltage - Supply
1.7 V ~ 1.9 V
Operating Temperature
0°C ~ 85°C
Package / Case
60-FBGA
Organization
256Mx4
Density
1Gb
Address Bus
17b
Access Time (max)
350ps
Maximum Clock Rate
1.066GHz
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
190mA
Pin Count
60
Mounting
Surface Mount
Operating Temperature Classification
Commercial
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
557-1426-2
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AC Timing Operating Specifications
Table 11: AC Operating Specifications and Conditions
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
Clock
cycle time
CK high-level width
CK low-level width
Half clock period
Absolute
Absolute CK
high-level width
Absolute CK
low-level width
Parameter
AC Characteristics
t
CK
CL = 7
CL = 6
CL = 5
CL = 4
CL = 3
t
t
t
t
t
t
t
t
t
t
Symbol
CK (avg) 1.875
CK (avg)
CK (avg)
CK (avg)
CK (avg)
CH (avg)
CL (avg)
CK (abs)
CH (abs)
CL (abs)
t
HP
Min
3.75
0.48
0.48
2.5
3.0
5.0
-187E
Max
0.52
0.52
8.0
8.0
8.0
8.0
8.0
Min
3.75
0.48
0.48
2.5
2.5
5.0
–
-25E
MAX =
MAX =
MIN =
MIN =
Max
0.52
0.52
8.0
8.0
8.0
8.0
–
t
t
CK (AVG) MAX ×
t
CK (AVG) MAX ×
t
CK (AVG) MIN ×
MAX =
CK (AVG) MIN ×
Min
3.75
0.48
0.48
MIN =
2.5
3.0
5.0
–
-25
MIN = lesser of
t
Max
0.52
0.52
t
CK (AVG) MAX +
CK (AVG) MIN +
8.0
8.0
8.0
8.0
–
MAX = n/a
Min
0.48
0.48
3.0
3.0
5.0
–
–
t
t
t
t
CH (AVG) MIN +
CH (AVG) MAX +
CL (AVG) MIN +
CL (AVG) MAX +
-3E
t
Max
0.52
0.52
CH and
8.0
8.0
8.0
–
–
t
t
JITper (MIN)
JITper (MAX)
Min
3.75
0.48
0.48
3.0
5.0
t
–
–
CL
-3
t
t
JITdty (MIN)
JITdty (MIN)
t
t
JITdty (MAX)
JITdty (MAX)
Max
0.52
0.52
8.0
8.0
8.0
–
–
Min
3.75
0.48
0.48
5.0
–
–
–
-37E
Max
0.52
0.52
8.0
8.0
–
–
–
Min
0.48
0.48
5.0
5.0
–
–
–
-5E
Max
0.52
0.52
8.0
8.0
–
–
–
Units Notes
t
t
ns
CK
CK
ps
ps
ps
ps
6, 7, 8,
10
11
9
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