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DM74ALS874B 데이터시트(PDF) 3 Page - Fairchild Semiconductor |
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DM74ALS874B 데이터시트(HTML) 3 Page - Fairchild Semiconductor |
3 / 6 page 3 www.fairchildsemi.com Absolute Maximum Ratings(Note 1) Note 1: The “Absolute Maximum Ratings” are those values beyond which the safety of the device cannot be guaranteed. The device should not be operated at these limits. The parametric values defined in the Electrical Characteristics tables are not guaranteed at the absolute maximum ratings. The “Recommended Operating Conditions” table will define the conditions for actual device operation. Recommended Operating Conditions Note 2: The ( ↑) arrow indicates the positive edge of the Clock is used for reference. Supply Voltage 7V Input Voltage 7V Voltage Applied to Disabled Output 5.5V Operating Free Air Temperature Range 0 °C to +70°C Storage Temperature Range −65°C to +150°C Typical θ JA N Package 51.0 °C/W M Package 86.5 °C/W Symbol Parameter Min Nom Max Units VCC Supply Voltage 4.5 5 5.5 V VIH HIGH Level Input Voltage 2 V VIL LOW Level Input Voltage 0.8 V IOH HIGH Level Output Current −2.6 mA IOL LOW Level Output Current 24 mA fCLK Clock Frequency 0 30 MHz tWCLK Width of Clock Pulse HIGH 16.5 ns LOW 16.5 ns tWCLR Width of Clear Pulse LOW 10 ns tSU Data Setup Time (Note 2) 15 ↑ ns tH Data Hold Time (Note 2) 0 ↑ ns tSU Clear Inactive 12 ns TA Free Air Operating Temperature 0 70 °C |
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