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SN74LV393ADE4 Datasheet(PDF) 5 Page - Texas Instruments |
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SN74LV393ADE4 Datasheet(HTML) 5 Page - Texas Instruments |
5 / 18 page SN54LV393A, SN74LV393A DUAL 4BIT BINARY COUNTERS SCLS457D − FEBRUARY 2001 − REVISED APRIL 2005 5 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 SN54LV393A SN74LV393A UNIT MIN MAX MIN MAX MIN MAX UNIT tw Pulse duration CLK high or low 5 5 5 ns tw Pulse duration CLR high 5 5 5 ns tsu Setup time CLR inactive before CLK ↓ 6 6 6 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 SN54LV393A SN74LV393A UNIT MIN MAX MIN MAX MIN MAX UNIT tw Pulse duration CLK high or low 5 5 5 ns tw Pulse duration CLR high 5 5 5 ns tsu Setup time CLR inactive before CLK ↓ 5 5 5 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 SN54LV393A SN74LV393A UNIT MIN MAX MIN MAX MIN MAX UNIT tw Pulse duration CLK high or low 5 5 5 ns tw Pulse duration CLR high 5 5 5 ns tsu Setup time CLR inactive before CLK ↓ 4 4 4 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 SN54LV393A SN74LV393A UNIT PARAMETER FROM (INPUT) TO (OUTPUT) LOAD CAPACITANCE MIN TYP MAX MIN MAX MIN MAX UNIT fmax CL = 15 pF 50* 90* 40* 40 MHz fmax CL = 50 pF 30 70 25 25 MHz QA 7.1* 17.7* 1* 20.5* 1 20.5 tpd CLK QB 8.5* 20.3* 1* 23.5* 1 23.5 tpd CLK QC CL = 15 pF 10* 22.5* 1* 26* 1 26 ns QD CL = 15 pF 11.1* 24.2* 1* 28* 1 28 ns tPHL CLR Qn 6.7* 14.8* 1* 17* 1 17 QA 9.3 21.3 1 24.5 1 24.5 tpd CLK QB 10.9 23.9 1 27.5 1 27.5 tpd CLK QC CL = 50 pF 12.3 26.1 1 30 1 30 ns QD CL = 50 pF 13.4 27.8 1 32 1 32 ns tPHL CLR Qn 9.1 17.4 1 20 1 20 * 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. |
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