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74AC11257PWG4 데이터시트(PDF) 4 Page - Texas Instruments |
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74AC11257PWG4 데이터시트(HTML) 4 Page - Texas Instruments |
4 / 12 page 74AC11257 QUADRUPLE 2LINE TO 1LINE DATA SELECTOR/MULTIPLEXER WITH 3STATE OUTPUTS SCAS049C − MARCH 1989 − REVISED MAY 2004 4 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 switching characteristics over recommended operating free-air temperature range, VCC = 3.3 V ± 0.3 V (unless otherwise noted) (see Figure 1) PARAMETER FROM TO TA = 25°C MIN MAX UNIT PARAMETER FROM (INPUT) TO (OUTPUT) MIN TYP MAX MIN MAX UNIT tPLH A or B Y 1.5 5.6 8.1 1.5 8.9 ns tPHL A or B Y 1.5 6.2 9 1.5 10.1 ns tPLH A/B Any Y 1.5 6.1 9.2 1.5 10.2 ns tPHL A/B Any Y 1.5 6.6 10 1.5 11.2 ns tPZH OE Any Y 1.5 5.6 8.2 1.5 9.1 ns tPZL OE Any Y 1.5 7.5 10.4 1.5 11.8 ns tPHZ OE Any Y 1.5 5.6 7.6 1.5 8.3 ns tPLZ OE Any Y 1.5 6.2 8.8 1.5 9.6 ns switching characteristics, over recommended operating free-air temperature range, VCC = 5 V ± 0.5 V (unless otherwise noted) (see Figure 1) PARAMETER FROM TO TA = 25°C MIN MAX UNIT PARAMETER FROM (INPUT) TO (OUTPUT) MIN TYP MAX MIN MAX UNIT tPLH A or B Y 1.5 3.6 5.8 1.5 6.4 ns tPHL A or B Y 1.5 4.1 6.5 1.5 7.2 ns tPLH A/B Any Y 1.5 4 6.5 1.5 7.2 ns tPHL A/B Any Y 1.5 4.4 7.1 1.5 7.9 ns tPZH OE Any Y 1.5 3.8 5.9 1.5 6.5 ns tPZL OE Any Y 1.5 5 7.6 1.5 8.6 ns tPHZ OE Any Y 1.5 4.5 6.4 1.5 7.6 ns tPLZ OE Any Y 1.5 4.8 6.9 1.5 7.6 ns operating characteristics, VCC = 5 V, TA = 25°C PARAMETER TEST CONDITIONS TYP UNIT Cpd Power dissipation capacitance Outputs enabled CL = 50 pF, f = 1 MHz 37 pF Cpd Power dissipation capacitance Outputs disabled CL = 50 pF, f = 1 MHz 11 pF |
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