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Electronic Components Datasheet Search |
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MC74HC299 Datasheet(PDF) 6 Page - Motorola, Inc |
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MC74HC299 Datasheet(HTML) 6 Page - Motorola, Inc |
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6 / 8 page 
MC74HC299 MOTOROLA High–Speed CMOS Logic Data DL129 — Rev 6 3–6 SWITCHING WAVEFORMS Figure 6. Test Circuit Figure 5. Test Circuit Figure 1. Figure 2. Figure 3a. Figure 3b. VCC GND S1 OR S2 Figure 4. 50% MODE SELECT OR DATA CLOCK VCC VCC GND GND VALID th tsu tr tf VCC GND tTHL tTLH 90% 50% 10% 90% 50% 10% CLOCK tPLH tPHL tw 50% tPHL VCC GND VCC GND CLOCK RESET 50% 50% trec QA′, QH′, QA–QH tw 1/fmax 50% 50% 50% OE1 OR OE2 QA–QH tPZL tPLZ tPZH tPHZ 10% 90% VCC GND HIGH IMPEDANCE VOL VOH HIGH IMPEDANCE * Includes all probe and jig capacitance CL* TEST POINT DEVICE UNDER TEST OUTPUT 50% 50% 50% S2 OR S1 QA–QH tPZL tPLZ tPZH tPHZ 10% 90% VCC GND HIGH IMPEDANCE VOL VOH HIGH IMPEDANCE QA′, QH′, QA–QH 50% * Includes all probe and jig capacitance CL* TEST POINT DEVICE UNDER TEST OUTPUT CONNECT TO VCC WHEN TESTING tPLZ AND tPZL. CONNECT TO GND WHEN TESTING tPHZ AND tPZH. 1 k Ω |
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