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74LV4040N Arkusz danych(PDF) 7 Page - NXP Semiconductors |
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74LV4040N Arkusz danych(HTML) 7 Page - NXP Semiconductors |
7 / 14 page Philips Semiconductors Product specification 74LV4040 12-stage binary ripple counter 1998 Jun 23 7 AC CHARACTERISTICS GND = 0V; tr = tf ≤ 2.5ns; CL = 50pF; RL = 500W SYMBOL PARAMETER WAVEFORM CONDITION LIMITS –40 to +85 °C LIMITS –40 to +125 °C UNIT VCC(V) MIN TYP1 MAX MIN MAX 1.2 – 60 – – – Propagation delay 2.0 – 27 43 – 54 tPHL/tPLH Propagation delay CP to Q0 Figure 7, 9 2.7 – 19 31 – 38 ns CP to Q0 3.0 to 3.6 – 162 26 – 32 4.5 to 5.5 – 13 17 – 22 1.2 – 40 – – – Propagation delay 2.0 – 18 29 – 54 tPHL/tPLH Propagation delay Qn to Qn+1 Figure 7, 9 2.7 – 13 21 – 38 ns Qn to Qn+1 3.0 to 3.6 – 112 18 – 32 4.5 to 5.5 – 73 12 – 22 1.2 – 55 – – – Propagation delay 2.0 – 27 44 – 54 tPHL Propagation delay MR to Qn Figure 8, 9 2.7 – 19 31 – 38 ns MR to Qn 3.0 to 3.6 – 162 26 – 32 4.5 to 5.5 – 113 17 – 22 2.0 35 7 – 41 54 tW Clock pulse width Figure 7 2.7 25 5 – 30 – ns tW HIGH to LOW Figure 7 3.0 to 3.6 20 42 – 24 – ns 4.5 to 5.5 15 33 – 18 – 2.0 35 11 – 41 – tW Master reset pulse Figure 8 2.7 25 9 – 30 – ns tW width HIGH Figure 8 3.0 to 3.6 20 82 – 24 – ns 4.5 to 5.5 15 73 – 18 – 1.2 – 10 – – – Removal time 2.0 22 5 – 26 – trem Removal time MR to CP Figure 8 2.7 16 4 – 19 – ns MR to CP 3.0 to 3.6 13 32 – 15 – 4.5 to 5.5 10 23 – 12 – 2.0 14 60 – 12 – f Maximum clock Figure 7 2.7 19 76 – 16 – MHz fmax pulse frequency Figure 7 3.0 to 3.6 24 942 – 20 – MHz 4.5 to 5.5 36 1123 – 30 – NOTES: 1. Unless otherwise stated, all typical values are at Tamb = 25°C. 2. Typical value measured at VCC = 3.3V. 3. Typical value measured at VCC = 5.0V. |
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