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SN74AHC245QPWRQ1 数据表(PDF) 4 Page - Texas Instruments |
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SN74AHC245QPWRQ1 数据表(HTML) 4 Page - Texas Instruments |
4 / 11 page SN74AHC245Q1 OCTAL BUS TRANSCEIVER WITH 3STATE OUTPUTS SCLS527A − AUGUST 2003 − REVISED APRIL 2008 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 LOAD TA = 25°C MIN MAX UNIT PARAMETER FROM (INPUT) TO (OUTPUT) LOAD CAPACITANCE MIN TYP MAX MIN MAX UNIT tPLH A or B B or A CL = 15 pF 5.8 8.4 1 10 ns tPHL A or B B or A CL = 15 pF 5.8 8.4 1 10 ns tPZH OE A or B CL = 15 pF 8.5 13.2 1 15.5 ns tPZL OE A or B CL = 15 pF 8.5 13.2 1 15.5 ns tPHZ OE A or B CL = 15 pF 8.9 12.5 1 15.5 ns tPLZ OE A or B CL = 15 pF 8.9 12.5 1 15.5 ns tPLH A or B B or A CL = 50 pF 8.3 11.9 1 13.5 ns tPHL A or B B or A CL = 50 pF 8.3 11.9 1 13.5 ns tPZH OE A or B CL = 50 pF 11 16.7 1 19 ns tPZL OE A or B CL = 50 pF 11 16.7 1 19 ns tPHZ OE A or B CL = 50 pF 11.5 15.8 1 18 ns tPLZ OE A or B CL = 50 pF 11.5 15.8 1 18 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 LOAD TA = 25°C MIN MAX UNIT PARAMETER FROM (INPUT) TO (OUTPUT) LOAD CAPACITANCE MIN TYP MAX MIN MAX UNIT tPLH A or B B or A 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 A or B 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 A or B 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 A or B B or A 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 A or B 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 A or B 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 |
类似零件编号 - SN74AHC245QPWRQ1 |
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类似说明 - SN74AHC245QPWRQ1 |
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