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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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SN74ABT853DWR датащи(PDF) 7 Page - Texas Instruments |
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SN74ABT853DWR датащи(HTML) 7 Page - Texas Instruments |
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7 / 20 page  SN54ABT853, SN74ABT853 8-BIT TO 9-BIT PARITY BUS TRANSCEIVERS SCBS198G − FEBRUARY 1991 − REVISED OCTOBER 2010 7 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 timing requirements over recommended ranges of supply voltage and operating free-air temperature (unless otherwise noted) (see Figure 1) VCC = 5 V, TA = 25°C SN54ABT853 SN74ABT853 UNIT MIN MAX MIN MAX MIN MAX UNIT t Pulse duration LE high or low 3.5 3.5 3.5 ns tw Pulse duration CLR low 4 4 4 ns t Setup time B or PARITY before LE↓ 9.4† 10.2 9.4† ns tsu Setup time CLR before LE↓ 2 2 2 ns t Hold time B or PARITY after LE↓ 0 0 0 ns th Hold time CLR after LE↓ 3 3 3 ns † This data sheet limit can vary among suppliers. switching characteristics over recommended ranges of supply voltage and operating free-air temperature (unless otherwise noted) (see Figure 1) PARAMETER FROM (INPUT) TO (OUTPUT) VCC = 5 V, TA = 25°C SN54ABT853 SN74ABT853 UNIT PARAMETER (INPUT) (OUTPUT) MIN TYP MAX MIN MAX MIN MAX UNIT tPLH A or B B or A 1.2 4.8 1.2 6.4 1.2 5.3 ns tPHL A or B B or A 1 4.8† 1 5.4 1 5.3† ns tPLH A PARITY 2.1 9.5 2.1 13.3 2.1 11.2 ns tPHL A PARITY 2.5 9.7 2.5 11 2.5 11 ns tPLH OEA or OEB PARITY 1.8 8.5 1.8 13.6 1.8 10.5 ns tPHL OEA or OEB PARITY 2.3 8.6 2.3 11.7 2.3 10 ns tPLH CLR ERR 1 5.5 1 6.3 1 6.2 ns tPLH LE ERR 1.8 5.1 1.8 6.1 1.8 6 ns tPHL LE ERR 1† 5.8 1† 6.7 1 6.6 ns tPLH B or PARITY ERR 2 10.1 2 11.8 2 11.7 ns tPHL B or PARITY ERR 2.2† 11.5 2.2† 12.9 2.2† 12.8 ns tPZH OEA o OEB A or B or PARITY 1 5.8† 1 8.8 1 6.7† ns tPZL OEA or OEB A or B or PARITY 1.5† 5.8 1.5† 9.8 1.5† 6.7 ns tPHZ OEA or OEB A or B or PARITY 1.8† 7.3 1.8† 9.5 1.8† 7.9 ns tPLZ OEA or OEB A or B or PARITY 2.1† 7.2 2.1† 8.2 2.1† 8.1 ns † This data sheet limit can vary among suppliers. |
Аналогичный номер детали - SN74ABT853DWR |
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Аналогичное описание - SN74ABT853DWR |
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