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LF4460 Datasheet(PDF) 7 Page - LUXPIA |
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LF4460 Datasheet(HTML) 7 Page - LUXPIA |
7 / 32 page MEMORY FRAME Video Memory / FIFO LOGIC Devices Incorporated www.logicdevices.com 7 January 23, 2008 LDS-44xx-A High Performance Memory Product LF4460 LF4430 LF4415 PRELIMINARY LF4460 (60Mbit) Memory Organization *Only Single Channel Modes are capable of using the External Address port (ADDR) RDRW Address Description 0 1 Figure 4 - External Address Port Configuration* Override Write Read External address port (ADDR) overrides WRITE address when WSET0 = LOW External address port (ADDR) overrides READ address when RSET = LOW 11 10 9 8 7 6 5 4 3 2 1 0 11 10 9 8 7 6 5 4 3 2 1 0 I/O7 I/O6 I/O5 I/O4 I/O3 I/O2 I/O1 I/O0 ---- ---- ---- ---- I/O9 I/O8 I/O7 I/O6 I/O5 I/O4 I/O3 I/O2 I/O1 I/O0 ---- ---- I/O11 I/O10 I/O9 I/O8 I/O7 I/O6 I/O5 I/O4 I/O3 I/O2 I/O1 I/O0 I/O7 I/O6 I/O5 I/O4 I/O3 I/O2 I/O1 I/O0 ---- ---- ---- ---- I/O15 I/O14 I/O13 I/O12 I/O11 I/O10 I/O9 I/O8 ---- ---- ---- ---- I/O9 I/O8 I/O7 I/O6 I/O5 I/O4 I/O3 I/O2 I/O1 I/O0 NC NC I/O19 I/O18 I/O17 I/O16 I/O15 I/O14 I/O13 I/O12 I/O11 I/O10 ---- ---- I/O11 I/O10 I/O9 I/O8 I/O7 I/O6 I/O5 I/O4 I/O3 I/O2 I/O1 I/O0 I/O23 I/O22 I/O21 I/O20 I/O19 I/O18 I/O17 I/O16 I/O15 I/O14 I/O13 I/O12 D0/Q0[11:0] D1/Q1[11:0] I/O Word Width 8 10 12 16 20 24 Figure 5 - Single Channel FIFO I/O Mapping # FIFO Memory MODE Description 1 1 1 1 1 1 2 2 2 Figure 3 - LF4460 (60Mbit) Memory Organization Control Channels Organization 8 x 7,761,600 10 x 6,209,280 12 x 5,174,400 16 x 3,880,800 20 x 3,104,640 24 x 2,587,200 (2x) 8 x 3,880,800 (2x) 10 x 3,104,640 (2x) 12 x 2,587,200 000x 0010 0011 100x 1010 1011 110x 1110 1111 8bit wide 60Mbit single-channel FIFO 10bit wide 60Mbit single-channel FIFO 12bit wide 60Mbit single-channel FIFO 16bit wide 60Mbit single-channel FIFO 20bit wide 60Mbit single-channel FIFO 24bit wide 60Mbit single-channel FIFO Two independent 8bit wide 30Mbit FIFOs Two independent 10bit wide 30Mbit FIFOs Two independent 12bit wide 30Mbit FIFOs |
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