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參數(shù)資料
| 型號： | AL440B |
| 廠商： | Electronic Theatre Controls, Inc. |
| 元件分類： | 圓形連接器 |
| 英文描述： | Circular Connector; No. of Contacts:128; Series:MS27497; Body Material:Aluminum; Connecting Termination:Crimp; Connector Shell Size:24; Circular Contact Gender:Socket; Circular Shell Style:Wall Mount Receptacle RoHS Compliant: No |
| 中文描述： | 4Mbits（為512k × 8位）FIFO存儲器 |
| 文件頁數(shù)： | 4/33頁 |
| 文件大?。?/td> | 672K |
| 代理商： | AL440B |
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AL440B
AL440B
November 28, 2001
4
1.0 Description
The AL440B 4Mbits (512k x 8-bit) FIFO memory provides completely independent 8bit input and
output ports that can operate at a maximum speed of 80 MHz. The built-in address and pointer
control circuits provide a very easy-to-use memory interface that greatly reduces design time and
effort. Manufactured using state-of-the-art embedded high density memory cell array, the AL440B
uses high performance process technologies with extended controller functions (write mask, read
skip.. etc.), allowing easy operation of non-linearity and regional read/write FIFO for PIP, Digital
TV, security system and video camera applications. The status flags can be used to indicate
Fullness/Emptiness of the FIFO and also allow multiple cascading AL440Bs to expand the storage
depth or provide a longer delay, which cannot be achieved with only a single device. Expanding
AL440B data bus width is also possible by using multiple AL440B chips in parallel. To get better
design flexibility, the polarities of the AL440B control signals are selectable. The read and write
control signals, such as Read/Write Enable, Input/Output Enable.., can be either active low or high
by pulling /PLRTY signal to high or low respectively. In AL440B, Window data write/read and
data mirroring functions can offer better control assistance in the application design. The built-in
registers set can be easily programmed via serial bus (I2C like control bus) to perform various
useful functions such as multi-freeze, P-in-P in the digital TV, VCR, and video camera application.
Available as a 44-pin TSOP (II), the small footprint allows product designers to keep real estate to a
minimum.
2.0 Features
4Mbits (512k x 8 bits) organization FIFO
Independent 8bit read/write port operations
(different read/write data rates acceptable)
Maximum Read/write cycle time: 80Mhz
and 40Mhz (2 speed grades)
Input Enable (write mask) / Output Enable
(data skipping) control
Window read/write with Mirroring capable
Selectable control signal polarity
Input Ready / Output Ready flags
Direct cascade connection
Self refresh
3.3V
±
10% power supply
Standard 44-pin TSOP (II) package
4.0 Ordering Information
The AL440B has two speed grades, AL440B-24 and AL440B-12, which can operate at frequencies
of 40MHz and 80MHz respectively. Both speed grades are powered by 3.3V and are available in a
44-pin standard TSOP-II package.
3.0 Applications
Multimedia systems
Video capture or editing systems for
NTSC/PAL or SVGA resolution
Security systems
Scan rate converters
PIP (Picture-In-Picture) video display
TBC (Time Base Correction)
Frame synchronizer
Digital video camera
Hard disk cache memory
Buffer for communication systems
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DTV/HDTV video stream buffer
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| AL440B-12 | Circular Connector; No. of Contacts:56; Series:MS27497; Body Material:Aluminum; Connecting Termination:Crimp; Connector Shell Size:24; Circular Contact Gender:Pin; Circular Shell Style:Wall Mount Receptacle; Insert Arrangement:24-4 RoHS Compliant: No |
| ALC202 | Circular Connector; No. of Contacts:100; Series:MS27484; Body Material:Aluminum; Connecting Termination:Crimp; Connector Shell Size:22; Circular Contact Gender:Pin; Circular Shell Style:Straight Plug; Insert Arrangement:22-35 RoHS Compliant: No |
| ALD4701 | QUAD MICOPOWER RAIL TO RAIL CMOS OPERATIOANAL AMPLIFIER |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| AL440B-12 | 制造商:AVERLOGIC 制造商全稱:AVERLOGIC 功能描述:4M-Bit High Speed FIFO Field Memory |
| AL440B-24 | 制造商:AVERLOGIC 制造商全稱:AVERLOGIC 功能描述:4M-Bit High Speed FIFO Field Memory |
| AL441 | 制造商:CIF 功能描述:TESTBOARD SMC PROTOTYPE 100X160 制造商:CIF 功能描述:TESTBOARD, SMC, PROTOTYPE, 100X160 制造商:CIF 功能描述:TESTBOARD, SMC, PROTOTYPE, 100X160; Board Type:Prototype Board; Board Material:Epoxy; Hole Diameter:0.35mm; External Height:100mm; External Width:160mm; SVHC:No SVHC (19-Dec-2012); External Length / Height:100mm; Hole Pitch:0.4mm; ;RoHS Compliant: Yes |
| AL441 | 制造商:CIF 功能描述:SMC PROTOBOARD 100X160 |
| AL4411535 | 制造商:CELDUC 制造商全稱:celduc-relais 功能描述:REED SWITCH NORMALY OPEN, DRY CONTACT |
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