MT47H256M8HG-25:A Micron Technology Inc, MT47H256M8HG-25:A Datasheet - Page 122
MT47H256M8HG-25:A
Manufacturer Part Number
MT47H256M8HG-25:A
Description
Manufacturer
Micron Technology Inc
Type
DDR2 SDRAMr
Datasheet
1.MT47H256M8HG-25A.pdf
(134 pages)
Specifications of MT47H256M8HG-25:A
Organization
256Mx8
Address Bus
18b
Access Time (max)
400ps
Maximum Clock Rate
800MHz
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
190mA
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-25:A
Manufacturer:
MICROCHIP
Quantity:
1 001
Company:
Part Number:
MT47H256M8HG-25:A
Manufacturer:
MICRON
Quantity:
4 000
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Figure 73: WRITE-to-Power-Down or Self Refresh Entry
Figure 74: WRITE with Auto Precharge-to-Power-Down or Self Refresh Entry
PDF: 09005aef824f87b6
2gbddr2.pdf – Rev. F 12/10 EN
DQS, DQS#
DQS, DQS#
Command
Command
Address
Address
CK#
CKE
A10
CK#
CKE
A10
DQ
DQ
CK
CK
WRITE
Valid
Valid
WRITE
T0
T0
Notes:
Note:
NOP
NOP
T1
T1
WL = 3
WL = 3
1. Power-down or self refresh entry may occur after the WRITE burst completes.
1. Internal PRECHARGE occurs at Ta0 when WR has completed; power-down entry may oc-
2. WR is programmed through MR9–MR11 and represents (
cur 1 x
to next integer
NOP
NOP
T2
T2
t
CK later at Ta1, prior to
NOP
t
DO
NOP
DO
CK.
T3
T3
DO
DO
122
Valid
Valid
DO
DO
T4
T4
t
RP being satisfied.
DO
DO
Indicates a break in
time scale
Micron Technology, Inc. reserves the right to change products or specifications without notice.
Valid
Valid
T5
T5
2Gb: x4, x8, x16 DDR2 SDRAM
WR 2
Valid 1
Valid
t WTR
Ta0
T6
Transitioning Data
t
self refresh entry 1
self refresh entry
Power-down or
WR [MIN] ns/
Power-down or
Transitioning Data
Power-Down Mode
© 2006 Micron Technology, Inc. All rights reserved.
NOP 1
NOP
Ta1
T7
t
CK) rounded up
t CKE (MIN)
t CKE (MIN)
Ta2
T8
Don’t Care
Don’t Care
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