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SN74ABT853 Folha de dados(PDF) 7 Page - Texas Instruments |
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SN74ABT853 Folha de dados(HTML) 7 Page - Texas Instruments |
7 / 9 page SN54ABT853, SN74ABT853 8-BIT TO 9-BIT PARITY BUS TRANSCEIVERS SCBS198F – FEBRUARY 1991 – REVISED OCTOBER 1997 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 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 th 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 (INPUT) (OUTPUT) MIN TYP MAX MIN MAX MIN MAX tPLH AorB BorA 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 OE PARITY 1.8 8.5 1.8 13.6 1.8 10.5 ns tPHL OE 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 OE A or B or PARITY 1 5.8† 1 8.8 1 6.7† ns tPZL OE A or B or PARITY 1.5† 5.8 1.5† 9.8 1.5† 6.7 ns tPHZ OE A or B or PARITY 1.8† 7.3 1.8† 9.5 1.8† 7.9 ns tPLZ OE 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. |
Nº de peça semelhante - SN74ABT853 |
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Descrição semelhante - SN74ABT853 |
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