Absolute Maximum Ratings (Note) ntact the National Semiconductor sal Office/Distributors for availability and specifications. Supply Voltage The"Recommended Operating Conditions"table will define Operating Free Air Temperature Range -55cto+125° the conditions for actual device operation. o-C to+70°c Storage Temperature Range -65°to+150° Recommended Operating Conditions 54Ls75 DM7ALS75 Parameter 475 525 07 h level o -04mA ow Level Output Current Enable Pulse Width( Note 4) Setup Time(Note 4) Free Air Operating Temperature -55 125 Electrical Characteristics over recommended operating free air temperature range(unless otherwise noted) Parameter Min(Note 1) Units nput Clamp voltage VOH Vcc= Min, IoH Max DM54 VIL= Max, VIH= Min DM74 5 loL Ma DM54 loL 4 mA, urrent@ Max Vcc=Max,V=7V 0 Vcc= Max, VI=2.7V Ena 80 Voc= Max, VI=0.4V 0.4 los Voc= Max DM54-20 100 Output Current mA ( Note 2) Vcc= Max(Note 3) mA Note 1: Al typicals are at Vcc- 5v, TA-25"C Note 2 than one output should be shorted at a time, and the duration should not exceed one second. Note 3: icc is measured with al outputs open and all inputs grounded. 2Absolute Maximum Ratings (Note) If Military/Aerospace specified devices are required, please contact the National Semiconductor Sales Office/Distributors for availability and specifications. Supply Voltage 7V Input Voltage 7V Operating Free Air Temperature Range DM54LS b55§C to a125§C DM74LS 0§C to a70§C Storage Temperature Range b65§C to a150§C Note: The ‘‘Absolute Maximum Ratings’’ are those values beyond which the safety of the device cannot be guaran￾teed. 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. Recommended Operating Conditions Symbol Parameter DM54LS75 DM74LS75 Units Min Nom Max Min Nom Max VCC Supply Voltage 4.5 5 5.5 4.75 5 5.25 V VIH High Level Input Voltage 2 2 V VIL Low Level Input Voltage 0.7 0.8 V IOH High Level Output Current b0.4 b0.4 mA IOL Low Level Output Current 4 8 mA tW Enable Pulse Width (Note 4) 20 20 ns tSU Setup Time (Note 4) 20 20 ns tH Hold Time (Note 4) 0 0 ns TA Free Air Operating Temperature b55 125 0 70 §C Electrical Characteristics over recommended operating free air temperature range (unless otherwise noted) Symbol Parameter Conditions Min Typ Max Units (Note 1) VI Input Clamp Voltage VCC e Min, II e b18 mA b1.5 V VOH High Level Output VCC e Min, IOH e Max DM54 2.5 3.5 V Voltage VIL e Max, VIH e Min DM74 2.7 3.5 VOL Low Level Output VCC e Min, IOL e Max DM54 0.25 0.4 Voltage VIL e Max, VIH e Min DM74 0.35 0.5 V IOL e 4 mA, VCC e Min DM74 0.25 0.4 II Input Current @ Max VCC e Max, VI e 7V D 0.1 mA Input Voltage Enable 0.4 IIH High Level Input VCC e Max, VI e 2.7V D 20 mA Current Enable 80 IIL Low Level Input VCC e Max, VI e 0.4V D b0.4 mA Current Enable b1.6 IOS Short Circuit VCC e Max DM54 b20 b100 mA Output Current (Note 2) DM74 b20 b100 ICC Supply Current VCC e Max (Note 3) 6.3 12 mA Note 1: All typicals are at VCC e 5V, TA e 25§C. Note 2: Not more than one output should be shorted at a time, and the duration should not exceed one second. Note 3: ICC is measured with all outputs open and all inputs grounded. Note 4: TA e 25§C and VCC e 5V. 2