MT47H256M4BT-5E:A TR Micron Technology Inc, MT47H256M4BT-5E:A TR Datasheet - Page 82
![IC DDR2 SDRAM 1GBIT 5NS 92FBGA](/photos/7/26/72643/557-92-fbga_sml.jpg)
MT47H256M4BT-5E:A TR
Manufacturer Part Number
MT47H256M4BT-5E:A TR
Description
IC DDR2 SDRAM 1GBIT 5NS 92FBGA
Manufacturer
Micron Technology Inc
Datasheet
1.MT47H256M4HQ-5EE_TR.pdf
(131 pages)
Specifications of MT47H256M4BT-5E:A TR
Format - Memory
RAM
Memory Type
DDR2 SDRAM
Memory Size
1G (256M x 4)
Speed
5ns
Interface
Parallel
Voltage - Supply
1.7 V ~ 1.9 V
Operating Temperature
0°C ~ 85°C
Package / Case
92-FBGA
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
557-1206-1
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Figure 38: READ Latency
Figure 39: WRITE Latency
PDF: 09005aef821ae8bf
1GbDDR2.pdf – Rev. T 02/10 EN
DQS, DQS#
Command
DQS, DQS#
Command
CK#
DQ
CK
CK#
DQ
CK
ACTIVE n
ACTIVE n
T0
T0
Notes:
Notes:
READ n
T1
WRITE n
1. BL = 4.
2. Shown with nominal
3. RL = AL + CL = 5.
1. BL = 4.
2. CL = 3.
3. WL = AL + CL - 1 = 4.
t RCD (MIN)
T1
t RCD (MIN)
AL = 2
NOP
T2
AL = 2
NOP
T2
NOP
T3
WL = AL + CL - 1 = 4
t
AC,
RL = 5
NOP
T3
82
t
DQSCK, and
NOP
T4
CL = 3
CL - 1 = 2
NOP
Micron Technology, Inc. reserves the right to change products or specifications without notice.
T4
t
DQSQ.
NOP
T5
Extended Mode Register (EMR)
1Gb: x4, x8, x16 DDR2 SDRAM
NOP
T5
DI
n
NOP
T6
Transitioning Data
DO
n + 1
n
DI
Transitioning Data
© 2004 Micron Technology, Inc. All rights reserved.
n + 1
DO
NOP
n + 2
T6
DI
NOP
T7
n + 2
DO
n + 3
DI
n + 3
DO
Don’t Care
Don’t Care
NOP
NOP
T7
T8
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