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Description
The AL460 consists of 128Mbit of memory density,
and is configured as 8,192K x 16 bits FIFO (First-In-First-Out),
the optimized access scheme offers maximum R/W
operating speed up to 150 MHz. The FIFO provides
simple and easy-to-use user interfaces facilitating
usage in a wide range of applications, such as
Multimedia systems, video capture systems, and
various video data buffering applications.
The extensive memory size and high data-access-speed
allow video frame capturing up to Full HD (1080p)
resolution. Complementing the Double Buffer mode,
2 banks serve as upper and lower banks (with 4,096k
x 16-bit of each bank), AL460 can be further manipulated
into more sophisticated applications. The R/W
operations of corresponding banks are acknowledged
while high/low signals present at the bank control
pins.
All AL460 FIFO specifics, like completely independent
input and output controls, built-in address and
pointer control circuits, bank switching and other
management tasks provide data integrity during
access and straightforward bus interface for a
sequential data read/write that reduce inter-chip
design efforts.
The Double-Buffer mode allocates video data capture
without reading a mixed old and new data frames.
The polarity control seamlessly matches the controller
waveform without additional glue-logic.
The AL460 is also implemented with high performance
process technologies with extended controller
functions (write mask, read skip .. etc.); allowing
easy operation of FIFO read/write for use in broadcasting
systems, security systems, cameras, and many other
applications.
Designed and manufactured using state-of-the-art
technologies, AL460 achieved high performance
and low power consumption AC characteristics (2.5/3.3V
power supply), for the most sophisticated applications.
The chip is available as an LQFP-128 package;
the small footprint keeps real estate of any designs
to a minimum. |
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Buy in USA
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Features
- 128Mbit density configured as 8M x 16-bit
input and output data bus width
- Supports NTSC, PAL and HDTV up to 1080p
resolutions
- Independent 16-bit read/write data bus operations
(different I/O data rates acceptable)
- High speed synchronous sequential access
in maximum speed 150Mhz (AL460A-7-PBF) /75Mhz
(AL460A-13-PBF)
- Input/Output enable control
- Supports double buffer mode (Upper and Lower
frame access with 4M x16-bit in each frame)
via frame select pins
- Polarity Selectable
- 2.5V and 3.3V power supply
- Standard LQFP-128 package
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Applications
- HD video capturing and editing systems
- Switcher or format converter box
- Scan rate converters
- Time base correction (TBC)
- Frame synchronizer
- HD digital video camera buffering
- 1080p video stream data buffering
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