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DM74LS243M Arkusz danych(PDF) 2 Page - Fairchild Semiconductor |
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DM74LS243M Arkusz danych(HTML) 2 Page - Fairchild Semiconductor |
2 / 5 page www.fairchildsemi.com 2 Absolute Maximum Ratings(Note 2) Note 2: 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 Electrical Characteristics over recommended operating free air temperature range (unless otherwise noted) Note 3: All typicals are at VCC = 5V, TA = 25°C. Note 4: Not more than one output should be shorted at a time, and the duration should not exceed one second. Supply Voltage 7V Input Voltage Any G 7V A or B 5.5V Operating Free Air Temperature Range 0 °C to +70°C Storage Temperature Range −65°C to +150°C Symbol Parameter Min Nom Max Units VCC Supply Voltage 4.75 5 5.25 V VIH HIGH Level Input Voltage 2 V VIL LOW Level Input Voltage 0.8 V IOH HIGH Level Output Current −15 mA IOL LOW Level Output Current 24 mA TA Free Air Operating Temperature 0 70 °C Symbol Parameter Conditions Min Typ Max Units (Note 3) VI Input Clamp Voltage VCC = Min, II = −18 mA −1.5 V HYS Hysteresis (VT+ − VT−)VCC = Min 0.2 0.4 V (Data Inputs Only) VOH HIGH Level Output Voltage VCC = Min, VIH = Min 2.7 VIL = Max, IOH = −1 mA VCC = Min, VIH = Min 2.4 3.4 V VIL = Max, IOH = −3 mA VCC = Min, VIH = Min 2 VIL = 0.5V, IOH = Max VOL LOW Level Output Voltage VCC = Min IOL = 12 mA 0.4 VIL = Max IOL = Max V VIH = Min 0.5 IOZH Off-State Output Current, VCC = Max VO = 2.7V 40 µA HIGH Level Voltage Applied VIL = Max IOZL Off-State Output Current, VIH = Min VO = 0.4V −200 µA LOW Level Voltage Applied II Input Current at Maximum VCC = Max VI = 5.5V A or B 0.1 mA Input Voltage VI = 7V Any G 0.1 mA IIH HIGH Level Input Current VCC = Max, VI = 2.7V 20 µA IIL LOW Level Input Current VCC = Max, VI = 0.4V −0.2 mA IOS Short Circuit Output Current VCC = Max (Note 4) −40 −225 mA ICC Supply Current VCC = Max Outputs HIGH 22 38 Outputs Outputs LOW 29 50 mA OPEN Outputs Disabled 32 54 |
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Podobny opis - DM74LS243M |
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