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74LV393D Arkusz danych(PDF) 6 Page - NXP Semiconductors |
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74LV393D Arkusz danych(HTML) 6 Page - NXP Semiconductors |
6 / 12 page Philips Semiconductors Product specification 74LV393 Dual 4-bit binary ripple counter 1998 Jun 10 6 AC CHARACTERISTICS GND = 0V; tr = tf ≤ 2.5ns; CL = 50pF; RL = 1KW CONDITION LIMITS SYMBOL PARAMETER WAVEFORM CONDITION –40 to +85 °C –40 to +125 °C UNIT VCC(V) MIN TYP1 MAX MIN MAX 1.2 – 75 – – – tPHL/tPLH Propagation delay Figure 1 2.0 – 26 49 – 60 ns tPHL/tPLH gy nCP to nQ0 Figure 1 2.7 – 19 36 – 44 ns 3.0 to 3.6 – 142 29 – 35 1.2 – 25 – – – tPHL/tPLH Propagation delay Figure 1 2.0 – 9 17 – 20 ns tPHL/tPLH gy nQn to nQn+1 Figure 1 2.7 – 6 13 – 15 ns 3.0 to 3.6 – 52 10 – 12 1.2 – 70 – – – tPHL Propagation delay Figure 2 2.0 – 24 44 – 54 ns tPHL gy nMR to nQn Figure 2 2.7 – 18 33 – 40 ns 3.0 to 3.6 – 132 26 – 32 Cl k l idth 2.0 34 10 – 41 – tW Clock pulse width HIGH or LOW Figure 1 2.7 25 8 – 30 – ns HIGH or LOW 3.0 to 3.6 20 62 – 24 – Mt t l 2.0 34 12 – 41 – tW Master reset pulse width; HIGH Figure 2 2.7 25 9 – 30 – ns width HIGH 3.0 to 3.6 20 72 – 24 – 1.2 – 5 – – – t Removal time Figure 2 2.0 5 2 – 5 – ns trem nMR to nCP Figure 2 2.7 5 2 – 5 – ns 3.0 to 3.6 5 12 – 5 – Mi lk 2.0 14 53 – 12 – fmax Maximum clock pulse frequency Figure 1 2.7 19 72 – 16 – MHz ulse frequency 3.0 to 3.6 24 902 – 20 – NOTES: 1. All typical values are measured at Tamb = 25°C 2. Typical values are measured at VCC = 3.3V |
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