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SN74BCT29821NT Fiches technique(PDF) 3 Page - Texas Instruments |
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SN74BCT29821NT Fiches technique(HTML) 3 Page - Texas Instruments |
3 / 5 page SN74BCT29821 10-BIT BUS-INTERFACE FLIP-FLOP WITH 3-STATE OUTPUTS SCBS021D – FEBRUARY 1989 – REVISED NOVEMBER 1993 2–3 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 –1.2 V VOH VCC =4 5V IOH = – 15 mA 2.4 3.3 V VOH VCC = 4.5 V IOH = – 24 mA 2 V VOL VCC = 4.5 V, IOL = 48 mA 0.42 0.55 V II VCC = 5.5 V, VI = 7 V 0.1 mA IIH VCC = 5.5 V, VI = 2.7 V –10 –75 µA IIL VCC = 5.5 V, VI = 0.5 V – 0.2 mA IOS‡ VCC = 5.5 V, VO = 0 –75 – 250 mA IOZH VCC = 5.5 V, VO = 2.7 V 20 µA IOZL VCC = 5.5 V, VO = 0.5 V –20 µA ICCL VCC = 5.5 V, Outputs open 25 35 mA ICCH VCC = 5.5 V, Outputs open 6 10 mA ICCZ VCC = 5.5 V, Outputs open 2 6 mA Ci VCC = 5 V, VI = 2.5 V or 0.5 V 5.5 pF Co VCC = 5 V, VO = 2.5 V or 0.5 V 7 pF † All typical values are at VCC = 5 V, TA = 25°C. ‡ Not more than one output should be tested at a time, and the duration of the test should not exceed one second. timing requirements over recommended ranges of supply voltage and operating free-air temperature (unless otherwise noted) VCC = 5 V, TA = 25°C MIN MAX UNIT MIN MAX fclock Clock frequency 0 125 0 125 MHz tw Pulse duration, CLK high or low 7 7 ns tsu Setup time, data before CLK ↑ High or low 7 7 ns th Hold time, data after CLK ↑ High or low 1 1 ns switching characteristics over recommended ranges of supply voltage and operating free-air temperature, CL = 50 pF (unless otherwise noted) (see Note 2) PARAMETER FROM (INPUT) TO (OUTPUT) VCC = 5 V, TA = 25°C MIN MAX UNIT (INPUT) (OUTPUT) MIN TYP MAX fmax 125 125 MHz tPLH CLK Q 1.5 7.5 10 1.5 12 ns tPHL CLK Q 1.5 6.5 9 1.5 10 ns tPZH OE Q 2 7.5 10 2 12 ns tPZL OE Q 2 9 12 2 13 ns tPHZ OE Q 2 5 7 2 8 ns tPLZ OE Q 2 5 7 2 8 ns NOTE 2: Load circuits and voltage waveforms are shown in Section 1. |
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