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DM74LS283 Arkusz danych(PDF) 2 Page - Fairchild Semiconductor |
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DM74LS283 Arkusz danych(HTML) 2 Page - Fairchild Semiconductor |
2 / 8 page Absolute Maximum Ratings (Note 1) Supply Voltage 7V Input Voltage 7V Operating Free Air Temperature Range DM54LS and 54LS −55˚C to +125˚C DM74LS 0˚C to +70˚C Storage Temperature Range −65˚C to +150˚C Recommended Operating Conditions Symbol Parameter DM54LS283 DM74LS283 Units Min Nom Max Min Nom Max V CC Supply Voltage 4.5 5 5.5 4.75 5 5.25 V V IH High Level Input Voltage 2 2 V V IL Low Level Input Voltage 0.7 0.8 V I OH High Level Output Current −0.4 −0.4 mA I OL Low Level Output Current 4 8 mA T A Free Air Operating Temperature −55 125 0 70 ˚C 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” table are not guaranteed at the absolute maximum ratings. The “Recommended Operating Conditions” table will define the conditions for actual device operation. Electrical Characteristics over recommended operating free air temperature range (unless otherwise noted) Symbol Parameter Conditions Min Typ Max Units (Note 2) V I Input Clamp Voltage V CC = Min, II = −18 mA −1.5 V V OH High Level Output V CC = Min, IOH = Max DM54 2.5 3.4 V Voltage V IL = Max, VIH = Min DM74 2.7 3.4 V OL Low Level Output V CC = Min, IOL = Max DM54 0.25 0.4 Voltage V IL = Max, VIH = Min DM74 0.35 0.5 V I OL = 4 mA, VCC = Min DM74 0.25 0.4 I I Input Current @ Max V CC = Max A, B 0.2 mA Input Voltage V I = 7V C0 0.1 I IH High Level Input V CC = Max A, B 40 µA Current V I = 2.7V C0 20 I IL Low Level Input V CC = Max A, B −0.8 mA Current V I = 0.4V C0 −0.4 I OS Short Circuit V CC = Max DM54 −20 −100 mA Output Current DM74 −20 −100 I CC1 Supply Current V CC = Max (Note 4) 19 34 mA I CC2 Supply Current V CC = Max (Note 5) 22 39 mA Note 2: All typicals are at VCC = 5V, TA = 25˚C. Note 3: Not more than one output should be shorted at a time, and the duration should not exceed one second. Note 4: ICC1 is measured with all outputs open, all B inputs low and all other inputs at 4.5V, or all inputs at 4.5V. Note 5: ICC2 is measured with all outputs open and all inputs grounded. www.fairchildsemi.com 2 |
Podobny numer części - DM74LS283_98 |
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Podobny opis - DM74LS283_98 |
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