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MC74ACT646 Datenblatt(PDF) 6 Page - ON Semiconductor |
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MC74ACT646 Datenblatt(HTML) 6 Page - ON Semiconductor |
6 / 12 page MC74AC646, MC74ACT646 http://onsemi.com 6 AC OPERATING REQUIREMENTS 74AC 74AC Symbol Parameter VCC* (V) TA = +25°C CL = 50 pF TA = –40°C to +85 °C CL = 50 pF Unit Fig. No. Typ Guaranteed Minimum ts Setup Time, HIGH or LOW 3.3 2.0 5.0 5.5 ns 3–9 ts Bus to Clock 5.0 1.5 4.0 4.5 ns 3–9 th Hold Time, HIGH or LOW 3.3 –1.5 0 0 ns 3–9 th Bus to Clock 5.0 –0.5 0.5 1.0 ns 3–9 tw Clock Pulse Width 3.3 2.0 3.5 4.5 ns 3–6 tw HIGH or LOW 5.0 2.0 3.5 3.5 ns 3–6 *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 g 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 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 g 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 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 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 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 µA VIN =VCC or GND Q Supply Current 5.5 – 8.0 80 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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