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SN74AS4374BN Fiches technique(PDF) 3 Page - Texas Instruments |
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SN74AS4374BN Fiches technique(HTML) 3 Page - Texas Instruments |
3 / 5 page SN74AS4374B OCTAL EDGE-TRIGGERED D-TYPE DUAL-RANK FLIP-FLOP WITH 3-STATE OUTPUTS SDAS109D – APRIL 1989 – REVISED JANUARY 1995 3 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 electrical characteristics over recommended operating free-air temperature range (unless otherwise noted) PARAMETER TEST CONDITIONS MIN TYP† MAX UNIT VIK VCC = 4.5 V, II = – 18 mA – 1.5 V VOH VCC =4 5V IOH = – 3 mA 2.4 3.2 V VOH VCC = 4.5 V IOH = – 15 mA 2 V VOL VCC =4 5V IOL = 32 mA 0.25 0.4 V VOL VCC = 4.5 V IOL = 48 mA 0.35 0.5 V IOZH VCC = 5.5 V, VO = 2.7 V 20 µA IOZL VCC = 5.5 V, VO = 0.4 V –20 µA II VCC = 5.5 V, VI = 7 V 0.1 mA IIH VCC = 5.5 V, VI = 2.7 V 20 µA IIL VCC = 5.5 V, VI = 0.5 V – 0.2 mA IO‡ VCC = 5.5 V, VO = 2.25 V –30 –112 mA ICC VCC = 5.5 V, OE high 100 150 mA † 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. timing requirements over recommended operating free-air temperature range (unless otherwise noted) MIN MAX UNIT fclock Clock frequency 0 125 MHz tw Pulse duration, CLK high or low 4 ns tsu Setup time, data before CLK ↑ 4 ns th Hold time, data after CLK ↑ 1 ns 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 MIN MAX fmax 125 MHz tPLH CLK Q 2 8 ns tPHL CLK Q 2 8 ns tPZH OE Q 1.5 6 ns tPZL OE Q 2.5 8 ns tPHZ OE Q 2 6.5 ns tPLZ OE Q 2.5 7 ns § For conditions shown as MIN or MAX, use the appropriate value specified under recommended operating conditions. |
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