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SN74AHC245QDWRG4Q1 Datasheet(PDF) 5 Page - Texas Instruments |
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SN74AHC245QDWRG4Q1 Datasheet(HTML) 5 Page - Texas Instruments |
5 / 14 page SN74AHC245Q OCTAL BUS TRANSCEIVER WITH 3-STATE OUTPUTS SGDS018 – FEBRUARY 2002 5 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 switching characteristics over recommended operating free-air temperature range, VCC = 5 V ± 0.5 V (unless otherwise noted) (see Figure 1) PARAMETER FROM TO LOAD TA = 25°C MIN MAX UNIT PARAMETER (INPUT) (OUTPUT) CAPACITANCE MIN TYP MAX MIN MAX UNIT tPLH AorB BorA CL =15 pF 4 5.5 1 6.5 ns tPHL A or B B or A CL = 15 pF 4 5.5 1 6.5 ns tPZH OE AorB CL =15 pF 5.8 8.5 1 10 ns tPZL OE A or B CL = 15 pF 5.8 8.5 1 10 ns tPHZ OE AorB CL =15 pF 5.6 7.8 1 9.2 ns tPLZ OE A or B CL = 15 pF 5.6 7.8 1 9.2 ns tPLH AorB BorA CL =50 pF 5.5 7.5 1 8.5 ns tPHL A or B B or A CL = 50 pF 5.5 7.5 1 8.5 ns tPZH OE AorB CL =50 pF 7.3 10.6 1 12 ns tPZL OE A or B CL = 50 pF 7.3 10.6 1 12 ns tPHZ OE AorB CL =50 pF 7 9.7 1 11 ns tPLZ OE A or B CL = 50 pF 7 9.7 1 11 ns noise characteristics, VCC = 5 V, CL = 50 pF, TA = 25°C (see Note 4) PARAMETER MIN TYP MAX UNIT VOL(P) Quiet output, maximum dynamic VOL 0.9 V VOL(V) Quiet output, minimum dynamic VOL –0.9 V VOH(V) Quiet output, minimum dynamic VOH 4.3 V VIH(D) High-level dynamic input voltage 3.5 V VIL(D) Low-level dynamic input voltage 1.5 V NOTE 4: Characteristics are for surface-mount packages only. operating characteristics, VCC = 5 V, TA = 25°C PARAMETER TEST CONDITIONS TYP UNIT Cpd Power dissipation capacitance No load, f = 1 MHz 14 pF |
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