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SN74AHCT245DB Folha de dados(PDF) 4 Page - Texas Instruments |
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SN74AHCT245DB Folha de dados(HTML) 4 Page - Texas Instruments |
4 / 19 page SN54AHCT245, SN74AHCT245 OCTAL BUS TRANSCEIVERS WITH 3STATE OUTPUTS SCLS233N − OCTOBER 1995 − REVISED MARCH 2005 4 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 SN54AHCT245 SN74AHCT245 UNIT PARAMETER FROM (INPUT) TO (OUTPUT) LOAD CAPACITANCE MIN TYP MAX MIN MAX MIN MAX UNIT tPLH A or B B or A CL = 15 pF 4.5** 7.7** 1** 10** 1 8.5 ns tPHL A or B B or A CL = 15 pF 4.5** 7.7** 1** 10** 1 8.5 ns tPZH OE A or B CL = 15 pF 8.9** 13.8** 1** 16** 1 15 ns tPZL OE A or B CL = 15 pF 8.9** 13.8** 1** 16** 1 15 ns tPHZ OE A or B CL = 15 pF 9.2** 14.4** 1** 16.5** 1 15.5 ns tPLZ OE A or B CL = 15 pF 9.2** 14.4** 1** 16.5** 1 15.5 ns tPLH A or B B or A CL = 50 pF 5.3 8.7 1 11 1 9.5 ns tPHL A or B B or A CL = 50 pF 5.3 8.7 1 11 1 9.5 ns tPZH OE A or B CL = 50 pF 9.7 14.8 1 17 1 16 ns tPZL OE A or B CL = 50 pF 9.7 14.8 1 17 1 16 ns tPHZ OE A or B CL = 50 pF 10 15.4 1 17.5 1 16.5 ns tPLZ OE A or B CL = 50 pF 10 15.4 1 17.5 1 16.5 ns tsk(o) CL = 50 pF 1*** 1 ns ** On products compliant to MIL-PRF-38535, this parameter is not production tested. *** On products compliant to MIL-PRF-38535, this parameter does not apply. noise characteristics, VCC = 5 V, CL = 50 pF, TA = 25°C (see Note 5) PARAMETER SN74AHCT245 UNIT PARAMETER MIN TYP MAX UNIT VOH(V) Quiet output, minimum dynamic VOH 4 V VIH(D) High-level dynamic input voltage 2 V VIL(D) Low-level dynamic input voltage 0.8 V NOTE 5: 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 13 pF |
Nº de peça semelhante - SN74AHCT245DB |
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Descrição semelhante - SN74AHCT245DB |
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