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LF3304 bảng dữ liệu(PDF) 1 Page - LOGIC Devices Incorporated |
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LF3304 bảng dữ liệu(HTML) 1 Page - LOGIC Devices Incorporated |
1 / 12 page DEVICES INCORPORATED Video Imaging Products 1 LF3304 Dual Line Buffer/FIFO 08/16/2000–LDS.3304-F LF3304 Dual Line Buffer/FIFO DEVICES INCORPORATED u u u u u 100 MHz Data Rate for Video and other High-Speed Applications u u u u u One 24-bit, Two 12-bit, Three 8-bit Data Paths, or One Double Depth 12-bit u u u u u Dual Modes: Line Buffer or FIFO u u u u u User-ProgrammableFIFOFlags u u u u u User-Resettable Read and Write Pointers u u u u u Single 3.3 V Power Supply, 5 V Tolerant I/O u u u u u 100-lead PQFP FEATURES DESCRIPTION The LF3304 is a dual line buffer/ FIFO, designed to operate at HDTV rates. The LF3304 will operate in two distinct modes: Line Buffer and FIFO. In these modes the two memo- ries can operate independently or with common control. The LF3304 comprises two 12-bit 4K memories configurable in a variety of ways including: Two 12-bit 4K deep line buffers (independent lengths), Three 8-bit 4K deep line buffers VARIABLE LENGTH RAM ARRAY B 4K x 12-bit VARIABLE LENGTH RAM ARRAY A 4K x 12-bit AIN11-0 12 BIN11-0 12 AOUT11-0 12 BOUT11-0 12 OEB RAM ARRAY 2 CONTROL LENGTH11-0 WENB RENB RRB RWB RAM ARRAY 1 CONTROL WENA RENA RRA RWA EFB PAFB FFB PAEB PAEA FFA EFA PAFA 12 ADDRA LDB FLAG GENERATOR FLAG GENERATOR MASTER CONTROL MODE1-0 2 WCLKA RCLKA WCLKB RCLKB LDA ADDRB OEA LF3304 BLOCK DIAGRAM (common lengths), One 12-bit 8K deep line buffer, or Two 12-bit 4K FIFOs (independent operation). In FIFO mode, independent Read and Write Resets give the designer control over the internal pointers providing flexibility not commonly found in ordinary FIFOs. The LF3304 operatates at a maximum data rate of 100 MHz and is available in a 100-lead PQFP package. |
Số phần tương tự - LF3304 |
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Mô tả tương tự - LF3304 |
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