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CD74HCT646M96G4 Arkusz danych(PDF) 8 Page - Texas Instruments |
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CD74HCT646M96G4 Arkusz danych(HTML) 8 Page - Texas Instruments |
8 / 18 page CD54HC646, CD74HCT646 OCTAL BUS TRANSCEIVERS AND REGISTERS WITH 3-STATE OUTPUTS SCHS278B – APRIL 2003 – REVISED APRIL 2003 8 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 switching characteristics for CD54HC646 over recommended operating free-air temperature range (unless otherwise noted) (see Figure 2) PARAMETER FROM (INPUT) TO (OUTPUT) LOAD CAPACITANCE VCC TA = 25°C TA = –55°C TO 125 °C TA = –40°C TO 85 °C UNIT (INPUT) (OUTPUT) CAPACITANCE CC MIN TYP MAX MIN MAX MIN MAX 2 V 6 4 5 f CL = 50 pF 4.5 V 30 20 25 MHz fmax 6 V 35 23 29 MHz CL = 15 pF 5 V 60 2 V 220 330 275 CLKBA or AorB CL = 50 pF 4.5 V 44 66 55 CLKAB A or B 6 V 37 56 47 CL = 15 pF 5 V 18 2 V 135 205 170 t d AorB BorA CL = 50 pF 4.5 V 27 41 34 ns tpd A or B B or A 6 V 23 35 29 ns CL = 15 pF 5 V 12 2 V 170 255 215 SBA or AorB CL = 50 pF 4.5 V 34 51 43 SAB† A or B 6 V 29 43 37 CL = 15 pF 5 V 14 2 V 175 265 220 t OE AorB CL = 50 pF 4.5 V 35 53 44 ns ten OE A or B 6 V 30 45 37 ns CL = 15 pF 5 V 14 2 V 175 265 220 tdi OE AorB CL = 50 pF 4.5 V 35 53 44 ns tdis OE A or B 6 V 30 45 37 ns CL = 15 pF 5 V 14 2 V 60 90 75 tt Any CL = 50 pF 4.5 V 12 18 15 ns 6 V 10 15 13 † These parameters are measured with the internal output state of the storage register opposite that of the bus input. |
Podobny numer części - CD74HCT646M96G4 |
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Podobny opis - CD74HCT646M96G4 |
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