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SN74AS651DW Datasheet(PDF) 7 Page - Texas Instruments |
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SN74AS651DW Datasheet(HTML) 7 Page - Texas Instruments |
7 / 33 page SN54ALS652, SN54ALS653, SN54AS651, SN54AS652 SN74ALS651A, SN74ALS652A, SN74ALS653, SN74ALS654, SN74AS651, SN74AS652 OCTAL BUS TRANSCEIVERS AND REGISTERS WITH 3-STATE OUTPUTS SDAS066G – DECEMBER 1983 – REVISED DECEMBER 2000 7 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 absolute maximum ratings over operating free-air temperature range (unless otherwise noted)† Supply voltage range, VCC –0.5 V to 7 V . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Input voltage range, VI: Control inputs –0.5 V to 7 V . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . I / O ports –0.5 V to 5.5 V . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Package thermal impedance, θJA (see Note 1): DW package 46 °C/W . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . NT package 67 °C/W . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Storage temperature range, Tstg –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. NOTE 1: The package thermal impedance is calculated in accordance with JESD 51. recommended operating conditions SN74ALS651A UNIT MIN NOM MAX UNIT VCC Supply voltage 4.5 5 5.5 V VIH High-level input voltage 2 V VIL Low-level input voltage 0.8 V IOH High-level output current –15 mA I Low level output current 24 mA IOL Low-level output current 48‡ mA fclock Clock frequency 0 40 MHz t Pulse duration CLKBA or CLKAB high 12.5 ns tw Pulse duration CLKBA or CLKAB low 12.5 ns tsu Setup time before CLKAB ↑ or CLKBA↑ A or B 10 ns th Hold time after CLKAB ↑ or CLKBA↑ A or B 0 ns TA Operating free-air temperature 0 70 °C ‡ Applies only to the SN74ALS651A-1 and only if VCC is maintained between 4.75 V and 5.25 V recommended operating conditions SN54ALS652 SN74ALS652A UNIT MIN NOM MAX MIN NOM MAX UNIT 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 – 12 –15 mA I Low level output current 12 24 mA IOL Low-level output current 48‡ mA fclock Clock frequency 0 35 0 40 MHz t Pulse duration CLKBA or CLKAB high 14.5 12.5 ns tw Pulse duration CLKBA or CLKAB low 14.5 12.5 ns tsu Setup time before CLKAB ↑ or CLKBA↑ A or B 15 10 ns th Hold time after CLKAB ↑ or CLKBA↑ A or B 5 0 ns TA Operating free-air temperature – 55 125 0 70 °C ‡ Applies only to the SN74ALS652A-1 and only if VCC is maintained between 4.75 V and 5.25 V |
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