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54LS123 Fiches technique(PDF) 4 Page - Motorola, Inc |
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54LS123 Fiches technique(HTML) 4 Page - Motorola, Inc |
4 / 10 page 5-200 FAST AND LS TTL DATA SN54/74LS122 • SN54/74LS123 DC CHARACTERISTICS OVER OPERATING TEMPERATURE RANGE (unless otherwise specified) Symbol Parameter Limits Unit Test Conditions Symbol Parameter Min Typ Max Unit Test Conditions VIH Input HIGH Voltage 2.0 V Guaranteed Input HIGH Voltage for All Inputs VIL Input LOW Voltage 54 0.7 V Guaranteed Input LOW Voltage for All Inputs VIL Input LOW Voltage 74 0.8 V Guaranteed Input LOW Voltage for All Inputs VIK Input Clamp Diode Voltage – 0.65 – 1.5 V VCC = MIN, IIN = – 18 mA VOH Output HIGH Voltage 54 2.5 3.5 V VCC = MIN, IOH = MAX, VIN = VIH or VIL per Truth Table VOH Output HIGH Voltage 74 2.7 3.5 V VCC = MIN, IOH = MAX, VIN = VIH or VIL per Truth Table VOL Output LOW Voltage 54, 74 0.25 0.4 V IOL = 4.0 mA VCC = VCC MIN, VIN = VIL or VIH per Truth Table VOL Output LOW Voltage 74 0.35 0.5 V IOL = 8.0 mA VIN = VIL or VIH per Truth Table IIH Input HIGH Current 20 µA VCC = MAX, VIN = 2.7 V IIH Input HIGH Current 0.1 mA VCC = MAX, VIN = 7.0 V IIL Input LOW Current – 0.4 mA VCC = MAX, VIN = 0.4 V IOS Short Circuit Current (Note 1) – 20 –100 mA VCC = MAX ICC Power Supply Current LS122 11 mA VCC = MAX ICC Power Supply Current LS123 20 mA VCC = MAX Note 1: Not more than one output should be shorted at a time, nor for more than 1 second. AC CHARACTERISTICS (TA = 25°C, VCC = 5.0 V) Symbol Parameter Limits Unit Test Conditions Symbol Parameter Min Typ Max Unit Test Conditions tPLH tPHL Propagation Delay, A to Q Propagation Delay, A to Q 23 33 ns Cext = 0 CL = 15 pF Rext = 5.0 kΩ RL = 2.0 kΩ tPLH tPHL Propagation Delay, A to Q Propagation Delay, A to Q 32 45 ns Cext = 0 CL = 15 pF Rext = 5.0 kΩ RL = 2.0 kΩ tPLH tPHL Propagation Delay, B to Q Propagation Delay, B to Q 23 44 ns Cext = 0 CL = 15 pF Rext = 5.0 kΩ RL = 2.0 kΩ tPLH tPHL Propagation Delay, B to Q Propagation Delay, B to Q 34 56 ns Rext = 5.0 kΩ RL = 2.0 kΩ tPLH tPHL Propagation Delay, Clear to Q Propagation Delay, Clear to Q 28 45 ns Rext = 5.0 kΩ RL = 2.0 kΩ tPLH tPHL Propagation Delay, Clear to Q Propagation Delay, Clear to Q 20 27 ns tW min A or B to Q 116 200 ns Cext = 1000 pF, Rext = 10 kΩ, CL = 15 pF, RL = 2.0 kΩ tWQ A to B to Q 4.0 4.5 5.0 µs Cext = 1000 pF, Rext = 10 kΩ, CL = 15 pF, RL = 2.0 kΩ AC SETUP REQUIREMENTS (TA = 25°C, VCC = 5.0 V) Symbol Parameter Limits Unit Test Conditions Symbol Parameter Min Typ Max Unit Test Conditions tW Pulse Width 40 ns |
Numéro de pièce similaire - 54LS123 |
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Description similaire - 54LS123 |
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