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74LV574D Arkusz danych(PDF) 6 Page - NXP Semiconductors |
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74LV574D Arkusz danych(HTML) 6 Page - NXP Semiconductors |
6 / 12 page Philips Semiconductors Product specification 74LV574 Octal D-type flip-flop; positive edge-trigger (3-State) 1998 Jun 10 6 AC CHARACTERISTICS GND = 0V; tr = tf ≤ 2.5ns; CL = 50pF; RL = 1KΩ SYMBOL PARAMETER WAVEFORM CONDITION LIMITS –40 to +85 °C LIMITS –40 to +125 °C UNIT VCC(V) MIN TYP MAX MIN MAX 1.2 – 80 – – – Propagation delay 2.0 – 27 34 – 43 tPHL/tPLH Propagation delay CP to Qn Figure 1, 4 2.7 – 20 25 – 31 ns CP to Qn 3.0 to 3.6 – 152 20 – 25 4.5 to 5.5 – – 17 – 21 1.2 – 70 – – – 3-State output 2.0 – 24 34 – 43 tPZH/tPZL 3 State out ut enable time OE tQ Figure 2, 4 2.7 – 18 25 – 31 ns OE to Qn 3.0 to 3.6 – 132 20 – 25 4.5 to 5.5 – – 17 – 21 1.2 – 75 – – – 3-State output 2.0 – 27 27 – 34 tPHZ/tPLZ 3 State out ut disable time OE tQ Figure 2, 4 2.7 – 21 21 – 26 ns OE to Qn 3.0 to 3.6 – 162 17 – 21 4.5 to 5.5 – – 15 – 18 Clock pulse width 2.0 34 9 – 41 – tW Clock pulse width HIGH or LOW Figure 1 2.7 25 6 – 30 – ns HIGH or LOW 3.0 to 3.6 20 52 – 24 – 1.2 – 10 – – – t Set-up time Figure 3 2.0 22 4 – 26 – ns tsu Dn to CP Figure 3 2.7 16 3 – 19 – ns 3.0 to 3.6 13 22 – 15 – 1.2 – –10 – – – th Hold time Figure 3 2.0 5 –4 – 5 – ns th Dn to CP Figure 3 2.7 5 –3 – 5 – ns 3.0 to 3.6 5 –22 – 5 – Maximum clock 2.0 15 40 – 12 – fmax Maximum clock pulse frequency Figure 1 2.7 19 58 – 16 – MHz ulse frequency 3.0 to 3.6 24 702 – 20 – NOTE: 1. Unless otherwise stated, all typical values are at Tamb = 25°C. 2. Typical value measured at VCC = 3.3V. |
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