전자부품 데이터시트 검색엔진 |
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FST16232MEA 데이터시트(PDF) 4 Page - Fairchild Semiconductor |
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FST16232MEA 데이터시트(HTML) 4 Page - Fairchild Semiconductor |
4 / 6 page www.fairchildsemi.com 4 AC Electrical Characteristics Note 6: This parameter is guaranteed by design but is not tested. The bus switch contributes no propagation delay other than the RC delay of the typical On resistance of the switch and the 50pF load capacitance, when driven by an ideal voltage source (zero output impedance). Capacitance (Note 7) Note 7: TA = +25°C, f = 1 MHz, Capacitance is characterized but not tested. AC Loading and Waveforms Note: Input driven by 50 Ω source terminated in 50 Ω Note: CL includes load and stray capacitance Note: Input PRR = 1.0 MHz, t W = 500 ns FIGURE 1. AC Test Circuit FIGURE 2. AC Waveforms Symbol Parameter TA = −40 °C to +85 °C, Units Conditions Figure No. CL = 50pF, RU = RD = 500Ω VCC = 4.5 – 5.5V VCC = 4.0V Min Max Min Max fMAX Maximum Clock Frequency 150 150 MHz VI = OPEN Figure 1 Figure 2 tPHL, tPLH Prop Delay Bus to Bus (Note 6) 0.25 0.25 ns VI = OPEN Figure 1 Figure 2 tPHL, tPLH Prop Delay CLK to B or A 2.0 6.3 6.0 ns VI = OPEN Figure 1 Figure 2 tPZH, tPZL Output Enable Time 1.7 8.5 9.0 ns VI = 7V for tPZL, Figure 1 Figure 2 CLK to A = B 1 = B2 VI = OPEN for tPZH Output Enable Time 2.0 6.5 6.5 ns VI = 7V for tPZL, Figure 1 Figure 2 CLK to A or B1 or B2 VI = OPEN for tPZH tPHZ, tPLZ Output Disable Time 1.0 8.5 9.0 ns VI = 7V for tPLZ, Figure 1 Figure 2 CLK to A or B VI = OPEN for tPHZ tS Setup Time S1, S0 before CLK ↑ 2.5 2.8 ns Figure 1 Figure 2 Setup Time CLKEN before CLK ↑ 1.8 2.0 tH Hold Time S1, S0 after CLK ↑ 1.0 1.0 ns Figure 1 Figure 2 Hold Time CLKEN after CLK ↑ 1.5 1.5 tW Pulse Width 3.1 3.1 ns Clock HIGH or LOW Figure 1 Figure 2 Symbol Parameter Typ Max Units Conditions CIN Control pin Input Capacitance 4 pF VCC = 5.0V CI/O Input/Output Capacitance 7 pF VCC = 5.0V, S0, S1 = 0V |
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