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LF3321 데이터시트(PDF) 2 Page - LOGIC Devices Incorporated |
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LF3321 데이터시트(HTML) 2 Page - LOGIC Devices Incorporated |
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2 / 28 page ![]() DEVICES INCORPORATED LF3321 Horizontal Digital Image Filter Improved Performance LOGIC Devices Incorporated 2 Feb 5, 2003 LDS.3321-A Video Imaging Products 256 COEFFICIENT SET STORAGE 16-TAP FILTER A 16-TAP FILTER B DIN11-0 12 256 COEFFICIENT SET STORAGE ROUT11-0 12 12 12 ROUND SELECT LIMIT CIRCUITRY OED CAA7-0 CENA 8 CAB7-0 CENB 8 COUT11-0 RIN11-0 DOUT15-0 CFA11-0 12 LDA CFB11-0 LDB 16 INTERLEAVE / DECIMATION REGISTERS 12 CLK PAUSEA PAUSEB Figure 2. LF3321 Block Diagram DESCRIPTION Symbol Parameter MIN MAX tCYC Cycle Time 9 tPWL Clock Pulse Width Low 4 tPWH Clock Pulse Width High 4 tS0 Input Setup Time 4 tH0 Input Hold Time 0 tSCT Setup Time Control Inputs 4 tHCT Hold Time Control Inputs 0 tSCC Setup Time Coefficient Control Inputs 4 tHCC Hold Time Coefficient Control Inputs 0 tD Output Delay 8 tDCC Cascade Output Delay 7.5 tDIS Three State Output Display Delay 10 tDIS Three State Output Enable Delay 10 Table 1. Switching Characteristics Commercial Operating Range (0ºC to + 70ºC) 9 * (ns) speed grade |
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