MT47H256M8HG-37E:A Micron Technology Inc, MT47H256M8HG-37E:A Datasheet - Page 127
MT47H256M8HG-37E:A
Manufacturer Part Number
MT47H256M8HG-37E:A
Description
Manufacturer
Micron Technology Inc
Type
DDR2 SDRAMr
Datasheet
1.MT47H256M8HG-37EA.pdf
(134 pages)
Specifications of MT47H256M8HG-37E:A
Organization
256Mx8
Address Bus
18b
Access Time (max)
500ps
Maximum Clock Rate
533MHz
Operating Supply Voltage (typ)
1.8V
Package Type
FBGA
Operating Temp Range
0C to 70C
Operating Supply Voltage (max)
1.9V
Operating Supply Voltage (min)
1.7V
Supply Current
150mA
Pin Count
60
Mounting
Surface Mount
Operating Temperature Classification
Commercial
Lead Free Status / RoHS Status
Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
MT47H256M8HG-37E:A
Manufacturer:
Micron
Quantity:
110
Company:
Part Number:
MT47H256M8HG-37E:A
Manufacturer:
MICRON
Quantity:
528
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Figure 80: RESET Function
PDF: 09005aef824f87b6
2gbddr2.pdf – Rev. F 12/10 EN
Bank address
Command
Address
ODT
DQS 3
DM 3
CK#
CKE
A10
DQ 3
R
CK
TT
Bank a
READ
Col n
T0
High-Z
High-Z
Notes:
NOP 2
T1
1. V
2. Either NOP or DESELECT command may be applied.
3. DM represents DM for x4/x8 configuration and UDM, LDM for x16 configuration. DQS
4. In certain cases where a READ cycle is interrupted, CKE going HIGH may result in the
5. Initialization timing is shown in Figure 43 (page 88).
represents DQS, DQS#, UDQS, UDQS#, LDQS, LDQS#, RDQS, and RDQS# for the appropri-
ate configuration (x4, x8, x16).
completion of the burst.
DD
Bank b
Col n
READ
, V
T2
DDL
, V
DDQ
NOP 2
Indicates a break in
time scale
T3
, V
DO
TT
, and V
DO
NOP 2
T4
127
System
DO
RESET
REF
must be valid at all times.
t DELAY
Unknown
T5
Micron Technology, Inc. reserves the right to change products or specifications without notice.
1
2Gb: x4, x8, x16 DDR2 SDRAM
R
TT
On
High-Z
High-Z
Transitioning Data
t CL
© 2006 Micron Technology, Inc. All rights reserved.
t CK
Start of normal 5
initialization
t CL
sequence
NOP 2
Ta0
4
T = 400ns (MIN)
t CKE (MIN)
All banks
Tb0
PRE
Don’t Care
High-Z
t RPA
Reset
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