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SN74ALS577ANSR 데이터시트(PDF) 3 Page - Texas Instruments |
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SN74ALS577ANSR 데이터시트(HTML) 3 Page - Texas Instruments |
3 / 18 page SN54ALS576B, SN54AS576 SN74ALS576B, SN74ALS577A, SN74AS576 OCTAL D-TYPE EDGE-TRIGGERED FLIP-FLOPS WITH 3-STATE OUTPUTS SDAS065B – DECEMBER 1982 – REVISED JANUARY 1995 3 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 logic diagrams (positive logic) OE CLK 1D 1Q 1 11 2 19 To Seven Other Channels 1D C1 OE CLK 1D 1Q 2 14 3 22 To Seven Other Channels 1D C1 1 CLR ′ALS576B, ′AS576 SN74ALS577A Pin numbers shown are for the DW, J, N, and W packages. Pin numbers shown are for the DW and NT packages. absolute maximum ratings over operating free-air temperature range (unless otherwise noted)† Supply voltage, VCC 7 V . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Input voltage, VI 7 V . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Voltage applied to a disabled 3-state output 5.5 V . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Operating free-air temperature range, TA: SN54ALS576B – 55 °C to 125°C . . . . . . . . . . . . . . . . . . . . . . . . . . . SN74ALS576B, SN74ALS577A 0 °C to 70°C . . . . . . . . . . . . . . . . . Storage temperature range – 65 °C to 150°C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . † Stresses beyond those listed under “absolute maximum ratings” may cause permanent damage to the device. These are stress ratings only, and functional operation of the device at these or any other conditions beyond those indicated under “recommended operating conditions” is not implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability. recommended operating conditions SN54ALS576B SN74ALS576B SN74ALS577A UNIT MIN NOM MAX MIN NOM MAX VCC Supply voltage 4.5 5 5.5 4.5 5 5.5 V VIH High-level input voltage 2 2 V VIL Low-level input voltage 0.7 0.8 V IOH High-level output current –1 – 2.6 mA IOL Low-level output current 12 24 mA f lk Clock frequency ′ALS576B 0 22 0 30 MHz fclock Clock frequency SN74ALS577A 0 30 MHz t Pulse duration ′ALS576B, CLK high or low 25 16.5 ns tw Pulse duration SN74ALS577A, CLK high or low 16.5 ns t Set p time before CLK ↑ Data 15 15 ns tsu Setup time before CLK ↑ SN74ALS577A CLR 15 ns th Hold time after CLK ↑ Data 4 0 ns th Hold time after CLK ↑ SN74ALS577A CLR 0 ns TA Operating free-air temperature –55 125 0 70 °C |
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