Full HD FIFO (First-In-First-Out) Memory.

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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.


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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
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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Averlogic Technologies Product Brief
Averlogic Technologies Supporting Documents

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