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參數(shù)資料
| 型號(hào)： | AL422 |
| 英文描述： | Single-Phase High Efficiency DC/DC Controller with On-Chip Gate Drivers for Intel Mobile CPUs |
| 中文描述： | 3M公司位FIFO的領(lǐng)域內(nèi)存 |
| 文件頁(yè)數(shù)： | 4/20頁(yè) |
| 文件大小： | 251K |
| 代理商： | AL422 |
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AL422
AL422B
January 23, 2001
4
1.0 Description
The AL422 consists of 3M-bits of DRAM, and is configured as 393,216 words x 8 bit FIFO (first in
first out). The interface is very user-friendly since all complicated DRAM operations are already
managed by the internal DRAM controller.
Current sources of similar memory (field memory) in the market provide limited memory size which
is only enough for holding one TV field, but not enough to hold a whole PC video frame which
normally contains 640x480 or 720x480 bytes. The AverLogic AL422 provides 50% more memory
to support high resolution for digital PC graphics or video applications. The 50% increase in speed
also expands the range of applications.
2.0 Features
384K (393,216) x 8 bits FIFO organization
Support VGA, CCIR, NTSC, PAL and
HDTV resolutions
Independent read/write operations (different
I/O data rates acceptable)
High speed asynchronous serial access
Read/write cycle time: 20ns
Access time: 15ns
Output enable control (data skipping)
Self refresh
5V or 3.3V power supply
Standard 28-pin SOP package
3.0 Applications
Multimedia systems
Video capture systems
Video editing systems
Scan rate converters
TV’s picture in picture feature
Time base correction (TBC)
Frame synchronizer
Digital video camera
Buffer for communications systems
4.0 Ordering Information
Part number
Package
Power Supply
Status
AL422B
28-pin plastic SOP
+5/+3.3 volt
Shipping
AL422V5
28-pin plastic SOP
+5 volt
Replaced by AL422B
AL422V3
28-pin plastic SOP
+3.3 volt
Replaced by AL422B
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| AL4CS211 | 2-Phase, High Efficiency DC/DC Controller with On-Chip Gate Drivers for Intel Mobile CPUs |
| AL4CS221 | 2-Phase, High Efficiency DC/DC Controller with On-Chip Gate Drivers for Intel Mobile CPUs |
| AL4CS231 | (512 x9. 1k x9. 2k x9. 4k x9. 8k x9) Synchronous FIFO |
| AL4CS241 | (512 x9. 1k x9. 2k x9. 4k x9. 8k x9) Synchronous FIFO |
| AL4CS251 | (512 x9. 1k x9. 2k x9. 4k x9. 8k x9) Synchronous FIFO |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| AL422B | 制造商:Averlogic Technologies 功能描述: |
| AL422V3 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:AL422 3M-Bits FIFO Field Memory |
| AL422V5 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:AL422 3M-Bits FIFO Field Memory |
| AL-425-244 | 制造商: 功能描述: 制造商:undefined 功能描述: 制造商:HENKEL 功能描述:THERMOSTRATE HEATSINK PAD. 4.25"L X 2.44"W |
| AL42RT | 制造商:ADAPTAFLEX 功能描述:TOOL ATS REMOVAL 42MM |
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