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SN74HC245PWLE Datasheet(PDF) 4 Page - Texas Instruments |
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SN74HC245PWLE Datasheet(HTML) 4 Page - Texas Instruments |
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4 / 16 page  SN54HC245, SN74HC245 OCTAL BUS TRANSCEIVERS WITH 3-STATE OUTPUTS SCLS131D – DECEMBER 1982 – REVISED AUGUST 2003 4 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 switching characteristics over recommended operating free-air temperature range, CL = 50 pF (unless otherwise noted) (see Figure 1) PARAMETER FROM TO VCC TA = 25°C SN54HC245 SN74HC245 UNIT PARAMETER FROM (INPUT) TO (OUTPUT) VCC MIN TYP MAX MIN MAX MIN MAX UNIT t A or B B or A 2 V 40 105 160 130 ns tpd A or B B or A 4.5 V 15 21 32 26 ns pd 6 V 12 18 27 22 t OE A or B 2 V 125 230 340 290 ns ten OE A or B 4.5 V 23 46 68 58 ns en 6 V 20 39 58 49 t OE A or B 2 V 74 200 300 250 ns tdis OE A or B 4.5 V 25 40 60 50 ns dis 6 V 21 34 51 43 t A or B 2 V 20 60 90 75 ns tt A or B 4.5 V 8 12 18 15 ns t 6 V 6 10 15 13 switching characteristics over recommended operating free-air temperature range, CL = 150 pF (unless otherwise noted) (see Figure 1) PARAMETER FROM TO VCC TA = 25°C SN54HC245 SN74HC245 UNIT PARAMETER FROM (INPUT) TO (OUTPUT) VCC MIN TYP MAX MIN MAX MIN MAX UNIT t A or B B or A 2 V 54 135 200 170 ns tpd A or B B or A 4.5 V 18 27 40 34 ns pd 6 V 15 23 34 29 t OE A or B 2 V 150 270 405 335 ns ten OE A or B 4.5 V 31 54 81 67 ns en 6 V 25 46 69 56 t A or B 2 V 45 210 315 265 ns tt A or B 4.5 V 17 42 63 53 ns t 6 V 13 36 53 45 operating characteristics, TA = 25°C PARAMETER TEST CONDITIONS TYP UNIT Cpd Power dissipation capacitance per transceiver No load 40 pF |
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