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參數(shù)資料
| 型號： | EM421M3284LBA-7FE |
| 廠商： | Electronic Theatre Controls, Inc. |
| 英文描述： | 512Mb (4M】4Bank】32) Double DATA RATE SDRAM |
| 中文描述： | 的512Mb（4分】4Bank】32）的雙倍數(shù)據(jù)速率SDRAM |
| 文件頁數(shù)： | 1/20頁 |
| 文件大?。?/td> | 343K |
| 代理商： | EM421M3284LBA-7FE |
eorex
EM42AM3284LBA
Jul. 2006
www.eorex.com
1/20
512Mb (4M
×
4Bank
×
32)
Double DATA RATE SDRAM
Features
Internal Double-Date-Rate architecture with 2
Accesses per clock cycle.
1.8V
±
0.1V VDD/VDDQ
1.8V LV-COMS compatible I/O
Burst Length (B/L) of 2, 4, 8, 16
3 Clock read latency
Bi-directional,intermittent data strobe(DQS)
All inputs except data and DM are sampled
at the positive edge of the system clock.
Data Mask (DM) for write data
Sequential & Interleaved Burst type available
Auto Precharge option for each burst accesses
DQS edge-aligned with data for Read cycles
DQS center-aligned with data for Write cycles
No DLL;CK to DQS is not synchronized
Deep power down mode
Partial Array Self-Refresh(PASR)
Auto Temperature Compensated Self-Refresh
(TCSR) by built-in temperature sensor
Auto Refresh and Self Refresh
8,192 Refresh Cycles / 64ms
Ordering Information
Part No
EM42AM3284LBA-75F
Description
The EM42AM3284LBA is high speed Synchronous
graphic RAM fabricated with ultra high performance
CMOS process containing 536,870,912 bits which
organized as 4Meg words x 4 banks by 32 bits.
The 512Mb DDR SDRAM uses a double data rate
architecture to accomplish high-speed operation.
The data path internally prefetches multiple bits and
It transfers the datafor both rising and falling edges
of the system clock.It means the doubled data
bandwidth can be achieved at the I/O pins.
Available packages:TFBGA-90B(13mmx11mm).
Organization
16M X 32
Max. Freq
133MHz/DDR266 @CL3
Package
TFBGA-90B Commercial
Grade
Pb
Free
* EOREX reserves the right to change products or specification without notice.
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| EM421M3284LBA-8FE | 512Mb (4M】4Bank】32) Double DATA RATE SDRAM |
| EM422M3284LBA-75FE | 512Mb (4M】4Bank】32) Double DATA RATE SDRAM |
| EM422M3284LBA-7FE | 512Mb (4M】4Bank】32) Double DATA RATE SDRAM |
| EM422M3284LBA-8FE | 512Mb (4M】4Bank】32) Double DATA RATE SDRAM |
| EM423M3284LBA-75FE | 512Mb (4M】4Bank】32) Double DATA RATE SDRAM |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| EM421M3284LBA-8FE | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:512Mb (4M×4Bank×32) Double DATA RATE SDRAM |
| EM421M812VTA | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:16Mb ( 2Banks ) Synchronous DRAM |
| EM421M812VTB | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:16Mb ( 2Banks ) Synchronous DRAM |
| EM421M814VTA | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:16Mb ( 2Banks ) Synchronous DRAM |
| EM421M814VTB | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:16Mb ( 2Banks ) Synchronous DRAM |
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