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74FST3251 数据表(PDF) 5 Page - ON Semiconductor |
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74FST3251 数据表(HTML) 5 Page - ON Semiconductor |
5 / 8 page 74FST3251 http://onsemi.com 5 VI VOL VOL + 0.3 V tPLH tPLH VOL VOH VOH – 0.3 V tPHZL tf = 2.5 nS 90 % 1.5 V 10 % 10 % 1.5 V 90 % tf = 2.5 nS tPZL tPZL OUTPUT 1.5 V OUTPUT 1.5 V GND 3.0 V tPZH ENABLE INPUT tf = 2.5 nS 90 % 1.5 V 1.5 V 90 % 10 % 10 % 1.5 V 1.5 V VOH GND 3.0 V SWITCH INPUT tf = 2.5 nS CL* FROM OUTPUT UNDER TEST Figure 2. AC Test Circuit Figure 3. Propagation Delays AC Loading and Waveforms NOTES: 1. Input driven by 50 W source terminated in 50 W. 2. CL includes load and stray capacitance. *CL = 50 pF 500 W 500 W Figure 4. Enable/Disable Delays OUTPUT |
类似零件编号 - 74FST3251 |
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类似说明 - 74FST3251 |
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