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74ACT11191DW Folha de dados(PDF) 6 Page - Texas Instruments |
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74ACT11191DW Folha de dados(HTML) 6 Page - Texas Instruments |
6 / 9 page 74ACT11191 SYNCHRONOUS 4BIT UP/DOWN BINARY COUNTER SCAS106A − D3455, FEBRUARY 1990 − REVISED APRIL 1993 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 POST OFFICE BOX 1443 • HOUSTON, TEXAS 77001 2−6 timing requirements over recommended ranges of supply voltage and operating free-air temperature (unless otherwise noted) (see Figure 1) TA = 25°C MIN MAX UNIT MIN MAX MIN MAX UNIT fclock Clock frequency 0 65 0 65 MHz tw Pulse duration LOAD low 4 4 ns tw Pulse duration CLK high or low 7.7 7.7 ns Data before LOAD ↓ 3 3 tsu Setup time CTEN before CLK ↑ 7.5 7.5 ns tsu Setup time D/U before CLK ↑ 8.5 8.5 ns LOAD inactive before CLK ↑ 2 2 Data after LOAD ↓ 2.5 2.5 th Hold time CTEN after CLK ↑ 1.5 1.5 ns th Hold time D/U after CLK ↑ 0.5 0.5 ns switching characteristics over recommended ranges of supply voltage and operating free-air temperature (unless otherwise noted) (see Figure 1) PARAMETER FROM TO TA = 25°C MIN MAX UNIT PARAMETER FROM (INPUT) TO (OUTPUT) MIN TYP MAX MIN MAX UNIT fmax 65 95 65 MHz tPLH LOAD Any Q 4 7.6 10.8 4 12.2 ns tPHL LOAD Any Q 3.8 7.4 10.5 3.8 11.9 ns tPLH LOAD MAX/MIN 5.2 9.7 13.9 5.2 15.8 ns tPHL LOAD MAX/MIN 4.7 9.5 13.6 4.7 15.4 ns tPLH LOAD RCO 5.4 10.5 15.1 5.4 17.1 ns tPHL LOAD RCO 5.8 11 15.7 5.8 17.9 ns tPLH A, B, C, or D Any Q 4.5 7.6 10.1 4.5 11.6 ns tPHL A, B, C, or D Any Q 3.7 7.1 10.3 3.7 11.7 ns tPLH A, B, C, or D MAX/MIN 5.1 9.5 13.6 5.1 15.4 ns tPHL A, B, C, or D MAX/MIN 4.7 9.2 13.4 4.7 15.2 ns tPLH A, B, C, or D RCO 5.5 10.3 14.8 5.5 17.2 ns tPHL A, B, C, or D RCO 5.9 10.9 15.5 5.9 18 ns tPLH CLK RCO 4.4 7.4 9.5 4.4 11 ns tPHL CLK RCO 3.5 6.7 9.5 3.5 10.8 ns tPLH CLK Any Q 3.6 6.7 9.2 3.6 10.4 ns tPHL CLK Any Q 4.2 7.1 9.4 4.2 10.8 ns tPLH CLK MAX/MIN 5 8 10.3 5 11.7 ns tPHL CLK MAX/MIN 5.3 8.6 11.5 5.3 13.1 ns tPLH D/U RCO 4.4 8.4 11.7 4.4 13.1 ns tPHL D/U RCO 4.2 8.8 11.3 4.2 13 ns tPLH D/U MAX/MIN 3.2 6.9 9.6 3.2 11 ns tPHL D/U MAX/MIN 3.6 7.2 10.3 3.6 11.6 ns tPLH CTEN RCO 3.9 6.4 8.2 3.9 9.2 ns tPHL CTEN RCO 2.8 6 8.4 2.8 9.5 ns |
Nº de peça semelhante - 74ACT11191DW |
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Descrição semelhante - 74ACT11191DW |
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