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MT46H8M32LG fiches techniques PDF

Micron Technology - Mobile DDR SDRAM

Numéro de référence MT46H8M32LG
Description Mobile DDR SDRAM
Fabricant Micron Technology 
Logo Micron Technology 





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MT46H8M32LG fiche technique
256Mb: x16, x32 Mobile DDR SDRAM
Features
Mobile DDR SDRAM
MT46H16M16LF – 4 Meg x 16 x 4 banks
MT46H8M32LF/LG – 2 Meg x 32 x 4 banks
For the latest data sheet, refer to Micron’s Web site: www.micron.com
Features
• Endur-IC™ technology
• VDD/VDDQ = 1.70–1.95V
• Bidirectional data strobe per byte of data (DQS)
• Internal, pipelined double data rate (DDR)
architecture; two data accesses per clock cycle
• Differential clock inputs (CK and CK#)
• Commands entered on each positive CK edge
• DQS edge-aligned with data for READs; center-
aligned with data for WRITEs
• Four internal banks for concurrent operation
• Data masks (DM) for masking write data—one mask
per byte
• Programmable burst lengths: 2, 4, or 8
• Concurrent auto precharge option supported
• Auto refresh and self refresh modes
• 1.8V LVCMOS compatible inputs
• On-chip temperature sensor to control self refresh
rate
• Partial-array self refresh (PASR)
• Deep power-down (DPD)
• Selectable output drive (DS)
• Clock stop capability
• 64ms refresh period (8,192 rows)
Table 1: Configuration Addressing
DQ
Bus
Width
Architecture
Number of banks
Bank address balls
x16 Row address balls
Column address balls
x32 Row address balls
Column address balls
JEDEC-
Standard
Option
4
BA0, BA1
A0–A12
A0–A8
A0–A11
A0–A8
Reduced
Page-Size
Option
4
BA0, BA1
A0–A12
A0–A7
Table 2:
Speed
Grade
-6
-75
Key Timing Parameters
Clock Rate (MHz)
CL = 2
83.3
83.3
CL = 3
166
133
Access Time
CL = 2
6.5ns
6.5ns
CL = 3
5.0ns
6.0ns
Options
• VDD/VDDQ
1.8V/1.8V
• Configuration
16 Meg x 16 (4 Meg x 16 x 4 banks)
8 Meg x 32 (2 Meg x 32 x 4 banks)
• Row size option
JEDEC-standard option
Reduced page-size option2
• Plastic “green” packages
60-ball VFBGA 8mm x 9mm1
90-ball VFBGA 8mm x 13mm2
• Timing – cycle time
6ns at CL = 3
7.5ns at CL = 3
• Power
Standard
Low IDD2P/IDD6
• Operating temperature range
Commercial (0°C to +70°C)
Industrial (–40°C to +85°C)
• Design revision
Marking
H
16M16
8M32
LF
LG
BF
B5
-6
-75
None
L
None
IT
:A
Notes: 1. Only available for x16 configuration.
2. Only available for x32 configuration.
PDF: 09005aef82091978 / Source: 09005aef8209195b
MT46H16M16LF__1.fm - Rev. F 8/07 EN
1 Micron Technology, Inc., reserves the right to change products or specifications without notice.
©2005 Micron Technology, Inc. All rights reserved.
Products and specifications discussed herein are subject to change by Micron without notice.

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