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al460 hd fifo datasheet ?2007~2010 by averlogic technologies, corp. v1.2 al460 full hd fifo memory datasheet - brief version 1.2 ?2007~2010 by averlogic technologies, corp. information furnished by averlogic is believed to be accurate and reliable. however, no responsibility is assumed by averlogic for its use, nor for any infringements of patents or other rights of third parties that may result from its use. no license is granted by implication or otherwise under any patent or patent rights of averlogic. doc number: 1-d-pmk262-0001
al460 hd fifo datasheet ?2007~2010 by averlogic technologies, corp. v1.2 2/14 amendments revise date contents page 2008.07.01 preliminary version 0.01 2009.06.04 revised reference design schematic: xin = 14.31818 mhz; csel[1:0] = vdd33 8 2009.08.06 revised pin definitions: pin 98 = roinv; pin 99 =roen. 7 2010.03.12 update dc and ac characteristics 10 2010.09.30 correct pin description (roen, roinv) 7 disclaimer the contents of this document are subject to change without notice. averlogic technologies reserves the right to make changes without further notice to any products herein to improve reliability, function or design. averlogic does not assume any liability arising out of the application or use of any product or circuit described herein; neither does it convey any license under its patent rights, nor the rights of others. customers are advised to consult with averlogic or its commercial distributors before ordering.
al460 hd fifo datasheet ?2007~2010 by averlogic technologies, corp. v1.2 3/14 table of contents 1 ? general description __________________________________________________ 4 ? 2 ? features _______________________________________________________________ 4 ? 3 ? applications ___________________________________________________________ 5 ? 4 ? function block diagram _____________________________________________ 5 ? 5 ? ordering information ________________________________________________ 6 ? 6 ? pin diagram ____________________________________________________________ 6 ? 6.1 ? pin description __________________________________________________________________ 6 ? 6.2 ? pin diagram _____________________________________________________________________ 9 ? 7 ? electrical characteristics ________________________________________ 10 ? 7.1 ? absolute maximum ratings under free-air temperature ___________________ 10 ? 7.2 ? recommended operating conditions _________________________________________ 10 ? 7.3 ? dc characteristics _____________________________________________________________ 10 ? 8 ? mechanical drawing ? 128-pin lqfp ____________________________________ 12 ? 8.1 ? 14x14x1.4mm 128-pin lqfp package ________________________________________ 12 ?
al460 hd fifo datasheet ?2007~2010 by averlogic technologies, corp. v1.2 4/14 1 general description the al460 consists of 128-mbits of memory density and can be configured as an 8m x 16-bit fifo (first in first out) at maximum r/w operating speed of 150 mhz. the full hd fifo can be used in a wide range of applications such as multimedia, video capture systems and many other varieties of video data buffering applications. the size and high-speed data access allow full hd video frame capture up to 1080p resolutions. the averlogic al460 fifo memory provides completely independent input and output ports. the built-in address and pointer control circuits provide a straightforward bus interface to sequentially read/write memory that can reduce inter-chip desi gn efforts. the al460 uses high performance process technologies with extended controller functions (write mask, read skip etc.); it allo ws easy operation of non-linearity fifo read/write for use in broadcasting systems, security systems, cameras and many other applications. the al460 is designed and manufactured using state-of-the-art technologies with low power consumption ac characteristics (2.5v & 3.3v power supply) facilitating high performance and high quality applications. the chip is available in lqfp 128-pin with exposed die pad package; the small footprint allows product designers to keep board real estate to a minimum. 2 features ? 128-mbit density, 8m x 16-bit configuration ? supports video ntsc, pal and hdtv up to 1080p resolution ? independent 16-bit read/write operations (different i/o data rates acceptable) at a maximum speed of 150 mhz ? high speed synchronous sequential access ? input/output enable control ? polarity selectable ? 2.5v& 3.3v power supply ? standard 128-pin lqfp with exposed die pad package
al460 hd fifo datasheet ?2007~2010 by averlogic technologies, corp. v1.2 5/14 3 applications ? hd video capture and editing systems ? switcher or format converter boxes ? video capture or editing systems ? video data buffering for security systems ? scan rate converters ? tbc (time base correction) systems ? frame synchronizers ? digital video cameras ? hard disk cache memory ? buffer for communication systems ? 1080p video data stream buffering 4 function block diagram the internal structure of each al460 consists of input/output buffers, write data registers, read data registers and main 8m x 16-bit memory cell array and state-of-the-art logic design that takes care of addressing and controlling the read/write data.
al460 hd fifo datasheet ?2007~2010 by averlogic technologies, corp. v1.2 6/14 5 ordering information part number speed grade package power supply status AL460A-7-PBF 150 mhz lqfp-128 +2.5v & +3.3 v 2009 al460a-13-pbf 75 mhz lqfp-128 +2.5v & +3.3 v 2009 note: averlogic technologies pb-free products employ special pb-free material sets; molding compounds/die that attach materials and 100% matte tin plate termination finish do not use materials containing pbb, pbde or red phosphorus for green-product chips. averlogic's pb-free products are msl classified at pb-free peak reflow temperatures that meet or exceed the pb-free requirements of ipc/jedec j std-020c." 6 pin diagram 6.1 pin description write bus signals pin name pin number i/o type description di[15:0] 58, 56~51, 49~46, 44~41, 39 i 16-bit data inputs; synchron ized with the wclk clock. data is acquired at the rising edge of wclk clock. wen 37 i wen is the write enable signal that controls the 16- b it input data write and write pointer operation ie 36 i ie is the data input enable signal that controls the enabling/ disabling of the 16-bit data input pins. the internal write address pointer is always incremented at the rising edge of wclk by enabling wen regardless of the ie level. wclk 38 i wclk is the write clock input pin. the write data input is synchronized with this clock. wrst 35 i the wrst is the write rest signal that resets the write address pointer to 0. wfsel 34 i write frame select pin in two frame mode (tfen = h): 0: frame 0 1: frame 1 *note: for the polarity definition of all write control signals (wen, ie and wrst), please refer to the plrty pin definition and ?memory operation? section for details.
al460 hd fifo datasheet ?2007~2010 by averlogic technologies, corp. v1.2 7/14 read bus signals pin name pin number i/o type description do[15:0] 102, 104~107, 109~111, 113~115, 117~120, 122 o 16-bit data outputs; synchronized with the rclk clock. data is output at the rising edge of the rclk clock. ren 125 i ren is the read enable signal that controls the 16-bit output data read and read pointer operation. oe 126 i oe is the data input enable signal that controls the enabling/ disabling of the 16-bit data output pins. the internal read address pointer is always incremented at the rising edge of rclk by enabling ren rega rdless of the oe level. rclk 124 i rclk is the read clock input pin. the read data output is synchronized with this clock. rclko 123 o rclk loop-out clock roen 99 i rclko output clock enable, 0: disable 1: enable roinv 98 i rclk loop-out clock inverts control signal, 0: normal 1: invert rrst 127 i the rrst is the read reset signal that resets the read address pointer to 0. rfsel 128 i read frame select pin in two frame mode (tfen = h): 0: frame 0 1: frame 1 *note: for the polarity definition of all read control signals (ren, oe, rrst,), please refer to plrty pin definition and ?memory operation? section for details. power/ground signals pin name pin number i/o type description vd25m 3, 5, 7, 11, 13, 17, 19, 21, 76, 78, 80, 84, 86, 90, 92, 94 - 2.5v 5% power supply for internal memory vd25 9, 15, 23, 50, 74, 82, 88, 112 - 2.5v 5% power supply for internal control logic pll25 70 - 2.5v 5% power supply for internal pll pllgnd 71 - pll gnd vd33 40, 57, 103, 121 - 3.3v 10% i/o power supply gnd 4, 6, 8, 10, 12, 14, 16, 18, gnd
al460 hd fifo datasheet ?2007~2010 by averlogic technologies, corp. v1.2 8/14 20, 22, 24, 45, 59~63, 73, 75, 77, 79, 81, 83, 85, 87, 89, 91, 93, 95, 97, 100, 101, 108, 116 miscellaneous signals pin name pin number i/o type description rstn 32 i global reset (active low) plrty 33 i select active polarity of the control signals including wen, ren, wrst, rrst, ie, oe, roen and roinv (total of 8 signals) plrty = vd33, active low. plrty = gnd, active high. note: during memory operation, the pin must be permanently connected to vd33 or gnd. if plrty level is changed during memory operation, memory data is not guaranteed. xin 67 i crystal input xout 68 o crystal output csel[1:0] 65, 66 i crystal input frequency select pins ? ?00? - 11.059200 mhz ? ?01? - 20.000000 mhz ? ?10? - 24.576000 mhz ? ?11? ? 14.318180 mhz * minimum crystal frequency accuracy: 100 ppm vref 72 ai reference voltage input * please refer to ?external decoupling circuit? application note for details vref2 25 ai reference voltage input 2 * please refer to ?external decoupling circuit? application note for details tfen 96 i two frame mode enable: ? ?0? ? standard fifo mode ? ?1? ? two frame mode test 1 i test pin (pull-down for normal operation) scan 2 i scan mode enable (pull-down for normal operation) nc 26~31, 64, 69 - no connect
al460 hd fifo datasheet ?2007~2010 by averlogic technologies, corp. v1.2 9/14 6.2 pin diagram
al460 hd fifo datasheet ?2007~2010 by averlogic technologies, corp. v1.2 10/14 7 electrical characteristics 7.1 absolute maximum ratings under free-air temperature (excessive ratings are harmful to the lifetime of the product. these are guidelines that are not yet tested.) parameter rating unit vd33 3.3v i/o supply voltage -0.3 ~ +4.5 v vd25m 2.5v memory voltage -0.3 ~ +3.4 v vd25 2.5v core voltage -0.3 ~ +3.4 v pll25 2.5v pll voltage -0.3 ~ +3.4 v v p pin voltage -0.3 ~ +(vd33 + 0.3) v i o output current -20 ~ +20 ma t amb ambient op. temperature 0 ~ +70 c t stg storage temperature -40 ~ +125 c 7.2 recommended operating conditions parameter min typ max unit vd33 3.3v i/o supply voltage 3.0 3.3 3.6 v vd25m 2.5v memory voltage 2.37 2.5 2.63 v vd25 2.5v core voltage 2.37 2.5 2.63 v pll25 2.5v pll voltage 2.37 2.5 2.63 v v ih high level input voltage 0.7vd33 - vd33 v v il low level input voltage 0 - 0.3vd33 v 7.3 dc characteristics (vd33 = 3.3v, vd25m = vd25 = pll25 = 2.5v; t amb = 0 to 70c) parameter min typ max unit i dd33 operating current 100 ma i dd25 operating current 185 ma i dd25m operating current 78 ma
al460 hd fifo datasheet ?2007~2010 by averlogic technologies, corp. v1.2 11/14 * operating condition: wclk = rclk = 150 mhz; data toggle rate = 20 mhz i dd33 operating current 62 ma i dd25 operating current 125 ma i dd25m operating current 55 ma * operating condition: wclk = rclk = 75 mhz; data toggle rate = 20 mhz i sb33 standby current 4 ma i sb25 standby current 80 ma i sb25m standby current 25 ma * standby condition: wclk = rclk = 0 mhz v oh hi-level output voltage vd33-0.4 v v ol lo-level output voltage 0.4 v i li input leakage current (no pull-up or pull-down) -10 +10 a i lo output leakage current (no pull-up or pull-down) -10 +10 a r l input pull-up/pull-down resistance 60 k
al460 hd fifo datasheet ?2007~2010 by averlogic technologies, corp. v1.2 12/14 8 mechanical drawing ? 128-pin lqfp 8.1 14x14x1.4mm 128-pin lqfp package
al460 hd fifo datasheet ?2007~2010 by averlogic technologies, corp. v1.2 13/14
al460 hd fifo datasheet ?2007~2010 by averlogic technologies, corp. v1.2 14/14 contact information averlogic technologies corp. e-mail: sales@averlogic.com url: http://www.averlogic.com

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