AL440B
4M-Bit High Speed FIFO Field Memory
Applications
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Multimedia systems
Video capture or editing systems for
NTSC/PAL or SVGA resolution
Security systems
Scan rate converter
PIP(Picture In Picture) video display
TBC(Time Base Correction)
Frame Synchronizer
Digital Video Camera
Hard Disk cache memory
Buffer for Communication System
Features
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4Mbits (512k x 8 bits) organization FIFO
Independent 8-bit data I/O port operations
Available in 2 speed grades: 80 and 40Mhz
Input Enable control (write mask)
Output Enable control (data skipping)
Supports Input ready/Output ready flags
Selectable control signal polarity
Programmable window mode data access
with mirroring function support
Self-refresh
5V signals input tolerance
3.3V±10% power supply
Standard 44-pin TSOP (II) package
* 80MHz High-Speed Version
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DTV/HDTV video stream buffer
Ordering Information
Part number
Package
44-pin plastic
TSOP(II)
44-pin plastic
TSOP(II)
Power supply
+3.3V
±10%
+3.3V
±10%
AL440B-24
(40MHz)
AL440B-12
(80MHz)
Description
The AL440B is a high-performance FIFO
(First-In-First-Out) field memory chip
designed to buffer audio/video/graphic
digital data for a wide range of applications.
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Speed
Lot Number
Date Code
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AL440B-12/24 TSOP (II) pinout diagram
AVERLOGIC [ AVERLOGIC TECHNOLOGIES INC ]
