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MC74AC245DWR2 Scheda tecnica(PDF) 4 Page - ON Semiconductor |
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MC74AC245DWR2 Scheda tecnica(HTML) 4 Page - ON Semiconductor |
4 / 12 page MC74AC245, MC74ACT245 http://onsemi.com 4 AC CHARACTERISTICS (For Figures and Waveforms – See Section 3) 74AC 74AC Symbol Parameter VCC* (V) TA = +25°C CL = 50 pF TA = –40°C to +85 °C CL = 50 pF Unit Fig. No. Min Typ Max Min Max tPLH Propagation Delay 3.3 1.5 5.0 8.5 1.0 9.0 ns 3–5 tPLH An to Bn or Bn to An 5.0 1.5 3.5 6.5 1.0 7.0 ns 3–5 tPHL Propagation Delay 3.3 1.5 5.0 8.5 1.0 9.0 ns 3–5 tPHL An to Bn or Bn to An 5.0 1.5 3.5 6.0 1.0 7.0 ns 3–5 tPZH Output Enable Time 3.3 2.5 7.0 11.5 2.0 12.5 ns 3–7 tPZH Output Enable Time 5.0 1.5 5.0 8.5 1.0 9.0 ns 3–7 tPZL Output Enable Time 3.3 2.5 7.5 12.0 2.0 13.5 ns 3–8 tPZL Output Enable Time 5.0 1.5 5.5 9.0 1.0 9.5 ns 3–8 tPHZ Output Disable Time 3.3 2.0 6.5 12.0 1.0 12.5 ns 3–7 tPHZ Output Disable Time 5.0 1.5 5.5 9.0 1.0 10.0 ns 3–7 tPLZ Output Disable Time 3.3 2.0 7.0 11.5 1.5 13.0 ns 3–8 tPLZ Output Disable Time 5.0 1.5 5.5 9.0 1.0 10.0 ns 3–8 *Voltage Range 3.3 V is 3.3 V ±0.3 V. Voltage Range 5.0 V is 5.0 V ±0.5 V. DC CHARACTERISTICS 74ACT 74ACT Symbol Parameter VCC (V) TA = +25°C TA = –40 °C to +85 °C Unit Conditions Typ Guaranteed Limits VIH Minimum High Level 4.5 1.5 2.0 2.0 V VOUT = 0.1 V ug e e Input Voltage 5.5 1.5 2.0 2.0 V or VCC – 0.1 V VIL Maximum Low Level 4.5 1.5 0.8 0.8 V VOUT = 0.1 V au oe e Input Voltage 5.5 1.5 0.8 0.8 V or VCC – 0.1 V VOH Minimum High Level 4.5 4.49 4.4 4.4 V IOUT = –50 µA ug e e Output Voltage 5.5 5.49 5.4 5.4 V *VIN = VIL or VIH 4.5 – 3.86 3.76 V IOH –24 mA 5.5 – 4.86 4.76 IOH –24 mA VOL Maximum Low Level 4.5 0.001 0.1 0.1 V IOUT = 50 µA au oe e Output Voltage 5.5 0.001 0.1 0.1 V *VIN = VIL or VIH 4.5 – 0.36 0.44 V IOL 24 mA 5.5 – 0.36 0.44 IOL 24 mA IIN Maximum Input 55 – ±01 ±10 µA VI =VCC GND au u Leakage Current 5.5 – ±0.1 ±1.0 µA VI = VCC, GND ∆ICCT Additional Max. ICC/Input 5.5 0.6 – 1.5 mA VI = VCC – 2.1 V IOZT Maximum VI (OE) = VIL, VIH au 3–State C 5.5 – ±0.6 ±6.0 µA VI = VCC, GND Current VO = VCC, GND IOLD †Minimum Dynamic Ot t C t 5.5 – – 75 mA VOLD = 1.65 V Max IOHD Output Current 5.5 – – –75 mA VOHD = 3.85 V Min ICC Maximum Quiescent 55 80 80 0 µA VIN VCC or GND ICC Maximum Quiescent Supply Current 5.5 – 8.0 80.0 µA VIN = VCC or GND *All outputs loaded; thresholds on input associated with output under test. †Maximum test duration 2.0 ms, one output loaded at a time. |
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