NTE74LS32

NTE74LS32 Integrated Circuit TTL − Quad 2−Input Positive OR Gate Description: The NTE74LS32 contains four independent 2−Input OR gates in a 14−Lead plastic DIP type package. Absolute Maximum Ratings: (Note 1) Supply Voltage, VCC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7V DC Input Voltage, VIN . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7V Operating Temperature Range, TA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0C to +70C Storage Temperature Range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −65C to +150C Note 1. Unless otherwise specified, all voltages are referenced to GND. Recommended Operating Conditions: Parameter Symbol Min Typ Max Unit Supply Voltage VCC 4.75 5.0 5.25 V High−Level Input Voltage VIH 2.0 − − V Low−Level Input Voltage VIL − − 0.8 V High−Level Output Current IOH − − −0.4 mA Low−Level Output Current IOL − − 8 mA Operating Temperature Range TA 0 − +70 C Min Typ Max Unit − − −1.5 V 2.7 3.4 − V Electrical Characteristics: (Note 2, Note 3) Parameter Symbol Test Conditions Input Clamp Voltage VIK VCC = MIN, II = −18mA High Level Output Voltage VOH VCC = MIN, VIH = 2V, IOH = −0.4mA Low Level Output Voltage VOL VCC = MIN, VIL = MAX, IOL = 4mA − 0.25 0.4 V VCC = MIN, VIL = MAX, IOL = 8mA − 0.35 0.5 V VCC = MAX, VI = 7V − − 0.1 mA Input Current II Note 2. .For conditions shown as MIN or MAX, use the appropriate value specified under “Recommended Operation Conditions”. Note 3. All typical values are at VCC = 5V, TA = +25C. Electrical Characteristics (Cont’d): (Note 2, Note 3) Parameter Symbol Test Conditions Min Typ Max Unit High Level Input Current IIH VCC = MAX, VI = 2.7V − − 20 A Low Level Input Current IIL VCC = MAX, VI = 0.4V − − −0.4 mA Short−Circuit Output Current IOS VCC = MAX, Note 4 −20 − −100 mA High Level Supply Current ICCH VCC = MAX, Note 5 − 3.1 6.2 mA Low Level Supply Current ICCL VCC = MAX, VI = 0V − 4.9 9.8 mA Note 2. .For conditions shown as MIN or MAX, use the appropriate value specified under “Recommended Operation Conditions”. Note 3. All typical values are at VCC = 5V, TA = +25C. Note 4. Not more than one output should be shorted at a time, and the duration of the short−circuit should not exceed one second. Note 5. One input at 4.5V, all others at GND. Switching Characteristics: (VCC = 5V, TA = +25C unless otherwise specified) Parameter Symbol Propagation Delay Time From A or B Input to Y Output) Test Conditions tPLH, tPHL RL = 2k, CL = 15pF Min Typ Max Unit − 14 22 ns Truth Table (Each Gate): Inputs Output A B Y H X H X H H L L L H = HIGH Voltage Level L = LOW Voltage Level X = Don’t Care Logic Diagram A1 B1 A2 B2 1 3 2 4 6 5 Y1 Y2 Y = A  B or Y = A + B A3 B3 A4 B4 9 8 10 12 11 13 Pin14 = VCC Pin7 = GND Y3 Y4 Pin Connection Diagram 1A 1 14 VCC 1B 2 1Y 3 13 4B 12 4A 2A 4 11 4Y 2B 5 10 3B 2Y 6 9 3A GND 7 8 3Y 14 8 1 7 .300 (7.62) .785 (19.95) Max .200 (5.08) Max .100 (2.45) .600 (15.24) .099 (2.5) Min