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SN74ALS534ANE4 데이터시트(PDF) 4 Page - Texas Instruments |
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SN74ALS534ANE4 데이터시트(HTML) 4 Page - Texas Instruments |
4 / 14 page SN54ALS534A, SN74ALS534A, SN74AS534 OCTAL D-TYPE EDGE-TRIGGERED FLIP-FLOPS WITH 3-STATE OUTPUTS SDAS168B – APRIL 1982 – REVISED JULY 1996 4 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 switching characteristics (see Figure 1) PARAMETER FROM (INPUT) TO (OUTPUT) VCC = 4.5 V to 5.5 V, CL = 50 pF, R1 = 500 Ω, R2 = 500 Ω, TA = MIN to MAX† UNIT SN54ALS534A SN74ALS534A MIN MAX MIN MAX fmax 30 35 MHz tPLH CLK An Q 3 17 3 12 ns tPHL CLK Any Q 4 18 4 16 ns tPZH OE An Q 3 19 3 17 ns tPZL OE Any Q 4 20 4 18 ns tPHZ OE Any Q 1 12 1 10 ns tPLZ OE Any Q 1 25 2 14 ns † For conditions shown as MIN or MAX, use the appropriate value specified under recommended operating conditions. 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: SN74AS534 0 °C to 70°C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Storage temperature rang, 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. recommended operating conditions SN74AS534 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 IOL Low-level output current 48 mA fclock Clock frequency 0 125 MHz t Pulse duration CLK high 4 ns tw Pulse duration CLK low 3 ns tsu Setup time, data before CLK ↑ 2 ns th Hold time, data after CLK ↑ 2 ns TA Operating free-air temperature 0 70 °C |
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