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74AHC1G79 数据表(PDF) 7 Page - NXP Semiconductors |
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74AHC1G79 数据表(HTML) 7 Page - NXP Semiconductors |
7 / 12 page 1999 May 18 7 Philips Semiconductors Product specification Single D-type flip-flop; positive-edge trigger 74AHC1G79; 74AHCT1G79 AC CHARACTERISTICS Type 74AHC1G79 GND = 0 V; tr =tf ≤ 3.0 ns. Notes 1. Typical values at VCC = 3.3 V. 2. Typical values at VCC = 5.0 V. Type 74AHCT1G79 GND = 0 V; tr =tf ≤ 3.0 ns. Note 1. Typical values at VCC = 5.0 V. SYMBOL PARAMETER TEST CONDITIONS Tamb (°C) UNIT WAVEFORMS CL VCC (V) 25 −40 to +85 MIN. TYP. MAX. MIN. MAX. tPHL/tPLH propagation delay CP to Q see Figs 5 and 6 15 pF 3.0 to 3.6 − 4.9(1) 8.4 1.0 9.8 ns 50 pF 3.0 to 3.6 − 6.9(1) 12.0 1.0 14.0 ns 15 pF 4.5 to 5.5 − 3.5(2) 5.6 1.0 7.0 ns 50 pF 4.5 to 5.5 − 5.1(2) 8.0 1.0 10.0 ns tsu set-up time D to CP 4.5 to 5.5 3.0 1.0 − 3.0 − ns th hold time D to CP 4.5 to 5.5 +2.0 −1.0 − 0 − ns tW clock pulse width HIGH or LOW 4.5 to 5.5 3.0 −− 3.0 − ns fmax maximum clock pulse frequency 4.5 to 5.5 90 −− 90 − MHz SYMBOL PARAMETER TEST CONDITIONS Tamb (°C) UNIT WAVEFORMS CL VCC (V) 25 −40 to +85 MIN. TYP. MAX. MIN. MAX. tPHL/tPLH propagation delay CP to Q see Figs 5 and 6 15 pF 4.5 to 5.5 − 3.5(1) 5.0 1.0 6.0 ns 50 pF 4.5 to 5.5 − 5.0(1) 8.0 1.0 10.0 ns tsu set-up time D to CP 4.5 to 5.5 3.0 1.0 − 3.0 − ns th hold time D to CP 4.5 to 5.5 +2.0 −1.0 − 0 − ns tW clock pulse width HIGH or LOW 4.5 to 5.5 3.0 −− 3.0 − ns fmax maximum clock pulse frequency 4.5 to 5.5 90 −− 90 − MHz |
类似零件编号 - 74AHC1G79 |
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类似说明 - 74AHC1G79 |
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