MT47H256M4BT-5E:A TR Micron Technology Inc, MT47H256M4BT-5E:A TR Datasheet - Page 82

• Manufacturer Part Number: MT47H256M4BT-5E:A TR
• Description: IC DDR2 SDRAM 1GBIT 5NS 92FBGA
• Manufacturer: Micron Technology Inc

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

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