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ICS93776 데이터시트(PDF) 2 Page - Integrated Circuit Systems |
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ICS93776 데이터시트(HTML) 2 Page - Integrated Circuit Systems |
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2 / 8 page ![]() 2 ICS93776 0793A—03/08/05 Pin Descriptions PIN # PIN NAME PIN TYPE DESCRIPTION 1 DDRC0 OUT "Complementary" Clock of differential pair output. 2 DDRT0 OUT "True" Clock of differential pair output. 3 VDD PWR Power supply, nominal 2.5V 4 DDRT1 OUT "True" Clock of differential pair output. 5 DDRC1 OUT "Complementary" Clock of differential pair output. 6 GND PWR Ground pin. 7 SCLK IN Clock pin of SMBus circuitry, 5V tolerant. 8 CLK_INT IN "True" reference clock input. 9 CLK_INC IN "Complementary" reference clock input. 10 VDDA PWR 2.5V power for the PLL core. 11 GND PWR Ground pin. 12 VDD PWR Power supply, nominal 2.5V 13 DDRT2 OUT "True" Clock of differential pair output. 14 DDRC2 OUT "Complementary" Clock of differential pair output. 15 GND PWR Ground pin. 16 DDRC3 OUT "Complementary" Clock of differential pair output. 17 DDRT3 OUT "True" Clock of differential pair output. 18 FB_OUTC OUT Complement single-ended feedback output, dedicated external feedback. It switches at the same frequency as other DDR outputs, This output must be connect to FB_INC. 19 FB_OUTT OUT True single-ended feedback output, dedicated external feedback. It switches at the same frequency as other DDR outputs, This output must be connect to FB_INT. 20 FB_INT IN True single-ended feedback input, provides feedback signal to internal PLL for synchronization with CLK_INT to eliminate phase error. 21 FB_INC IN Complement single-ended feedback input, provides feedback signal to internal PLL for synchronization with CLK_INT to eliminate phase error. 22 SDATA I/O Data pin for SMBus circuitry, 5V tolerant. 23 VDD PWR Power supply, nominal 2.5V 24 DDRT4 OUT "True" Clock of differential pair output. 25 DDRC4 OUT "Complementary" Clock of differential pair output. 26 DDRT5 OUT "True" Clock of differential pair output. 27 DDRC5 OUT "Complementary" Clock of differential pair output. 28 GND PWR Ground pin. |
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