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CD74HC4016 Folha de dados(PDF) 6 Page - Texas Instruments |
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CD74HC4016 Folha de dados(HTML) 6 Page - Texas Instruments |
6 / 16 page 6 Analog Test Circuits FIGURE 5. CROSSTALK BETWEEN TWO SWITCHES TEST CIRCUIT FIGURE 6. FREQUENCY RESPONSE TEST CIRCUIT FIGURE 7. TOTAL HARMONIC DISTORTION TEST CIRCUIT FIGURE 8. CONTROL-TO-SWITCH FEEDTHROUGH NOISE TEST CIRCUIT FIGURE 9. SWITCH OFF SIGNAL FEEDTHROUGH VCC VIS 0.1 µF RC VCC/2 VOS1 SWITCH ON VCC VCC/2 R RC VCC/2 VOS2 SWITCH ON dB METER VIS fIS = 1MHz SINEWAVE R = 50 Ω C = 10pF R VCC VIS 0.1 µF 50 Ω 10pF VCC/2 VOS SWITCH ON dB METER VCC VIS 10 µF 10k Ω 50pF VCC/2 VOS SWITCH ON DISTORTION METER VI = VIH fIS = 1kHz TO 10kHz VIS SINE WAVE SWITCH ALTERNATING ON AND OFF tr, tf ≤ 6ns fCONT = 1MHz 50% DUTY CYCLE SCOPE VP-P VOS E VOS 50pF 600 Ω VCC/2 600 Ω VCC/2 VCC VCC VIS 0.1 µF RC VCC/2 VOS SWITCH ON dB METER R VCC/2 VC = VIL fIS ≥ 1MHz SINEWAVE R = 50 Ω C = 10pF Test Circuits and Waveforms FIGURE 10. HC/HCT TRANSITION TIMES AND PROPAGATION DELAY TIMES, COMBINATION LOGIC FIGURE 11. SWITCH TURN-ON AND TURN-OFF PROPAGATION DELAY TIMES tPHL tPLH tTHL tTLH 90% 50% 10% 50% 10% INVERTING OUTPUT INPUT GND VCC (HC) tr = 6ns tf = 6ns 90% 3V (HCT) 50% 10% 90% GND 10% 90% 50% 50% OUTPUT DISABLE OUTPUT LOW TO OFF OUTPUT HIGH TO OFF OUTPUTS ENABLED OUTPUTS DISABLED OUTPUTS ENABLED 6ns 6ns tPZH tPHZ tPZL tPLZ VCC (HC) 3V (HCT) CD74HC4016 CD74HC4016 |
Nº de peça semelhante - CD74HC4016 |
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Descrição semelhante - CD74HC4016 |
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