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SN74LV174A 数据表(PDF) 4 Page - Texas Instruments |
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SN74LV174A 数据表(HTML) 4 Page - Texas Instruments |
4 / 18 page SN54LV174A, SN74LV174A HEX DTYPE FLIPFLOPS WITH CLEAR SCLS401G − APRIL 1998 − REVISED APRIL 2005 4 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 timing requirements over recommended operating free-air temperature range, VCC = 2.5 V ± 0.2 V (unless otherwise noted) (see Figure 1) TA = 25°C SN54LV174A SN74LV174A UNIT MIN TYP MAX MIN MAX MIN MAX UNIT tw Pulse duration CLR low 6 6.5 6.5 ns tw Pulse duration CLK high or low 7 7 7 ns tsu Setup time before CLK ↑ Data 8.5 9.5 9.5 ns tsu Setup time before CLK ↑ CLR inactive 4 4 4 ns th Hold time, data after CLK ↑ −0.5 0 0 ns timing requirements over recommended operating free-air temperature range, VCC = 3.3 V ± 0.3 V (unless otherwise noted) (see Figure 1) TA = 25°C SN54LV174A SN74LV174A UNIT MIN TYP MAX MIN MAX MIN MAX UNIT tw Pulse duration CLR low 5 5 5 ns tw Pulse duration CLK high or low 5 5 5 ns tsu Setup time before CLK ↑ Data 5 6 6 ns tsu Setup time before CLK ↑ CLR inactive 3 3 3 ns th Hold time, data after CLK ↑ 0 0 0 ns timing requirements over recommended operating free-air temperature range, VCC = 5 V ± 0.5 V (unless otherwise noted) (see Figure 1) TA = 25°C SN54LV174A SN74LV174A UNIT MIN TYP MAX MIN MAX MIN MAX UNIT tw Pulse duration CLR low 5 5 5 ns tw Pulse duration CLK high or low 5 5 5 ns tsu Setup time before CLK ↑ Data 4.5 4.5 4.5 ns tsu Setup time before CLK ↑ CLR inactive 2.5 2.5 2.5 ns th Hold time, data after CLK ↑ 0.5 0.5 0.5 ns switching characteristics over recommended operating free-air temperature range, VCC = 2.5 V ± 0.2 V (unless otherwise noted) (see Figure 1) PARAMETER FROM TO LOAD TA = 25°C SN54LV174A SN74LV174A UNIT PARAMETER FROM (INPUT) TO (OUTPUT) LOAD CAPACITANCE MIN TYP MAX MIN MAX MIN MAX UNIT fmax CL = 15 pF 55* 115* 50* 50 MHz fmax CL = 50 pF 45 90 40 40 MHz tpd CLR Q CL = 15 pF 6.3* 17.3* 1* 19.5* 1 19.5 ns tpd CLK Q CL = 15 pF 8.4* 17.1* 1* 19* 1 19 ns tpd CLR Q 8.2 21.9 1 23.5 1 23.5 tpd CLK Q CL = 50 pF 10.8 20.6 1 23 1 23 ns tsk(o) CL = 50 pF 2 2 ns * On products compliant to MIL-PRF-38535, this parameter is not production tested. PRODUCT PREVIEW information concerns products in the formative or design phase of development. Characteristic data and other specifications are design goals. Texas Instruments reserves the right to change or discontinue these products without notice. |
类似零件编号 - SN74LV174A_07 |
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类似说明 - SN74LV174A_07 |
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