MT47H256M4BT-5E:A TR Micron Technology Inc, MT47H256M4BT-5E:A TR Datasheet - Page 103

• 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 57: Write Burst
PDF: 09005aef821ae8bf
1GbDDR2.pdf – Rev. T 02/10 EN
Notes:
DQS, DQS#
DQS, DQS#
DQS, DQS#
Command
t
t
t
DQSS (NOM)
DQSS (MIN)
DQSS (MAX)
1. Subsequent rising DQS signals must align to the clock within
2. DI b = data-in for column b.
3. Three subsequent elements of data-in are applied in the programmed order following
4. Shown with BL = 4, AL = 0, CL = 3; thus, WL = 2.
5. A10 is LOW with the WRITE command (auto precharge is disabled).
Address
DI b.
CK#
DM
DM
DM
DQ
DQ
DQ
CK
Bank a,
WRITE
Col b
T0
WL ± t DQSS
WL - t DQSS
WL + t DQSS
NOP
T1
103
DI
b
NOP
T2
Micron Technology, Inc. reserves the right to change products or specifications without notice.
DI
b
DI
b
Transitioning Data
T2n
1Gb: x4, x8, x16 DDR2 SDRAM
t DQSS 5
NOP
T3
5
t DQSS 5
T3n
© 2004 Micron Technology, Inc. All rights reserved.
t
NOP
DQSS.
T4
Don’t Care
WRITE