MT47H256M4HQ-187E:E TR Micron Technology Inc, MT47H256M4HQ-187E:E TR Datasheet - Page 2
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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Table 1: Key Timing Parameters
Table 2: Addressing
PDF: 09005aef821ae8bf
1GbDDR2.pdf – Rev. T 02/10 EN
Parameter
Configuration
Refresh count
Row address
Bank address
Column address
Speed Grade
-187E
-25E
-37E
-25
-3E
-3
32 Meg x 4 x 8 banks
CL = 3
A[11, 9:0] (2K)
256 Meg x 4
A[13:0] (16K)
400
400
400
400
400
400
BA[2:0] (8)
8K
CL = 4
533
533
533
667
533
533
Data Rate (MT/s)
2
16 Meg x 8 x 8 banks
CL = 5
667
800
667
667
667
n/a
128 Meg x 8
A[13:0] (16K)
A[9:0] (1K)
BA[2:0] (8)
Micron Technology, Inc. reserves the right to change products or specifications without notice.
8K
1Gb: x4, x8, x16 DDR2 SDRAM
CL = 6
800
800
800
n/a
n/a
n/a
CL = 7
1066
© 2004 Micron Technology, Inc. All rights reserved.
n/a
n/a
n/a
n/a
n/a
8 Meg x 16 x 8 banks
64 Meg x 16
A[12:0] (8K)
A[9:0] (1K)
BA[2:0] (8)
8K
t
Features
RC (ns)
54
55
55
54
55
55
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