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SN54LV161A Datasheet(PDF) 11 Page - Texas Instruments |
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SN54LV161A Datasheet(HTML) 11 Page - Texas Instruments |
11 / 20 page ![]() SN54LV161A, SN74LV161A 4BIT SYNCHRONOUS BINARY COUNTERS SCLS404E − APRIL 1998 − REVISED APRIL 2005 11 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 switching characteristics over recommended operating free-air temperature range, VCC = 5 V ± 0.5 V (unless otherwise noted) (see Figure 1) PARAMETER FROM TO LOAD TA = 25°C SN54LV161A SN74LV161A UNIT PARAMETER FROM (INPUT) TO (OUTPUT) LOAD CAPACITANCE MIN TYP MAX MIN MAX MIN MAX UNIT fmax CL = 15 pF 135* 220 115* 115 MHz fmax CL = 50 pF 95 165 85 85 MHz Q 4.5* 8.1* 1* 9.5* 1 9.5 tpd CLK RCO (count mode) 5.1* 8.1* 1* 9.5* 1 9.5 tpd CLK RCO (preset mode) CL = 15 pF 6.3* 10.3* 1* 12* 1 12 ns ENT RCO L 4.8* 8.1* 1* 9.5* 1 9.5 tPHL CLR Q 4.9* 9* 1* 10.5* 1 10.5 tPHL CLR RCO 5.5* 8.6* 1* 10* 1 10 Q 5.9 10.1 1 11.5 1 11.5 tpd CLK RCO (count mode) 6.6 10.1 1 11.5 1 11.5 tpd CLK RCO (preset mode) CL = 50 pF 7.8 12.3 1 14 1 14 ns ENT RCO L 6.1 10.1 1 11.5 1 11.5 tPHL CLR Q 6.3 11 1 12.5 1 12.5 tPHL CLR RCO 6.9 10.6 1 12 1 12 * On products compliant to MIL-PRF-38535, this parameter is not production tested. noise characteristics, VCC = 3.3 V, CL = 50 pF, TA = 25°C (see Note 5) PARAMETER SN74LV161A UNIT PARAMETER MIN TYP MAX UNIT VOL(P) Quiet output, maximum dynamic VOL 0.3 0.8 V VOL(V) Quiet output, minimum dynamic VOL −0.2 −0.8 V VOH(V) Quiet output, minimum dynamic VOH 3 V VIH(D) High-level dynamic input voltage 2.31 V VIL(D) Low-level dynamic input voltage 0.99 V NOTE 5: Characteristics are for surface-mount packages only. operating characteristics, TA = 25°C PARAMETER TEST CONDITIONS VCC TYP UNIT Cpd Power dissipation capacitance CL = 50 pF, f = 10 MHz 3.3 V 23.6 pF Cpd Power dissipation capacitance CL = 50 pF, f = 10 MHz 5 V 25.8 pF 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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