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74ALS574 Datasheet(PDF) 4 Page - Texas Instruments |
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74ALS574 Datasheet(HTML) 4 Page - Texas Instruments |
4 / 8 page SN54ALS574B, SN54AS574, SN54AS575 SN74ALS574B, SN74ALS575A, SN74AS574, SN74AS575 OCTAL D-TYPE EDGE-TRIGGERED FLIP-FLOPS WITH 3-STATE OUTPUTS SDAS165B – JUNE 1982 – REVISED JULY 1995 4 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 electrical characteristics over recommended operating free-air temperature range (unless otherwise noted) PARAMETER TEST CONDITIONS SN54ALS574B SN74ALS574B SN74ALS575A UNIT MIN TYP† MAX MIN TYP† MAX VIK VCC = 4.5 V, II = – 18 mA – 1.2 – 1.2 V VCC = 4.5 V to 5.5 V, IOH = – 0.4 mA VCC –2 VCC –2 VOH VCC =4 5V IOH = – 1 mA 2.4 3.3 V VCC = 4.5 V IOH = – 2.6 mA 2.4 3.2 VOL VCC =4 5V IOL = 12 mA 0.25 0.4 0.25 0.4 V VOL VCC = 4.5 V IOL = 24 mA 0.35 0.5 V IOZH VCC = 5.5 V, VO = 2.7 V 20 20 µA IOZL VCC = 5.5 V, VO = 0.4 V –20 –20 µA II VCC = 5.5 V, VI = 7 V 0.1 0.1 mA IIH VCC = 5.5 V, VI = 2.7 V 20 20 µA IIL VCC = 5.5 V, VI = 0.4 V – 0.2 – 0.2 mA IO‡ VCC = 5.5 V, VO = 2.25 V –20 –112 –30 –112 mA Outputs high 11 18 11 18 ′ALS574B VCC = 5.5 V Outputs low 17 27 17 27 ICC Outputs disabled 17 28 17 28 mA ICC Outputs high 10 17 10 17 mA SN74ALS575A VCC = 5.5 V Outputs low 15 24 15 24 Outputs disabled 16 30 16 30 † All typical values are at VCC = 5 V, TA = 25°C. ‡ The output conditions have been chosen to produce a current that closely approximates one half of the true short-circuit output current, IOS. 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 SN54ALS574B SN74ALS574B SN74ALS575A MIN MAX MIN MAX MIN MAX fmax 28 35 30 MHz tPLH CLK Q 4 22 3 14 4 14 ns tPHL CLK Q 4 17 4 14 4 14 ns tPZH OE Q 4 21 3 18 4 18 ns tPZL OE Q 4 26 4 18 4 18 ns tPHZ OE Q 2 16 1 10 2 10 ns tPLZ OE Q 2 25 2 12 3 13 ns § For conditions shown as MIN or MAX, use the appropriate value specified under recommended operating conditions. |
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