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SN74HCT245DBR 数据表(PDF) 4 Page - Texas Instruments |
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SN74HCT245DBR 数据表(HTML) 4 Page - Texas Instruments |
4 / 18 page SN54HCT245, SN74HCT245 OCTAL BUS TRANSCEIVERS WITH 3-STATE OUTPUTS SCLS020E – MARCH 1984 – REVISED AUGUST 2003 4 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 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 SN54HCT245 SN74HCT245 UNIT PARAMETER FROM (INPUT) TO (OUTPUT) VCC MIN TYP MAX MIN MAX MIN MAX UNIT tpd A or B B or A 4.5 V 20 30 45 38 ns tpd A or B B or A 5.5 V 18 27 41 34 ns ten OE A or B 4.5 V 36 59 89 74 ns ten OE A or B 5.5 V 30 53 80 67 ns tt A or B 4.5 V 17 42 63 53 ns tt A or B 5.5 V 14 38 57 48 ns operating characteristics, TA = 25°C PARAMETER TEST CONDITIONS TYP UNIT Cpd Power dissipation capacitance per transceiver No load 40 pF |
类似零件编号 - SN74HCT245DBR |
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类似说明 - SN74HCT245DBR |
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