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Datenblatt-Suchmaschine für elektronische Bauteile |
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Datenblatt-Suchmaschine für elektronische Bauteile |
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74640 Datenblatt(PDF) 2 Page - National Semiconductor (TI) |
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74640 Datenblatt(HTML) 2 Page - National Semiconductor (TI) |
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2 / 4 page  Absolute Maximum Ratings (Notes12) If MilitaryAerospace specified devices are required please contact the National Semiconductor Sales OfficeDistributors for availability and specifications Supply Voltage (VCC) b 05 to a70V DC Input Voltage (VIN) b 15 to VCCa15V DC Output Voltage (VOUT) b 05 to VCCa05V Clamp Diode Current (IIK IOK) g 20 mA DC Output Current per pin (IOUT) g 35 mA DC VCC or GND Current per pin (ICC) g 70 mA Storage Temperature Range (TSTG) b 65 Cto a150 C Power Dissipation (PD) (Note 3) 600 mW SO Package only 500 mW Lead Temperature (TL) (Soldering 10 seconds) 260 C Operating Conditions Min Max Units Supply Voltage (VCC) 45 55 V DC Input or Output Voltage 0 VCC V (VIN VOUT) Operating Temp Range (TA) MM74HCT b 40 a 85 C MM54HCT b 55 a 125 C Input Rise or Fall Times (tr tf) 500 ns DC Electrical Characteristics VCCe5V g10% (unless otherwise specified) TAe25 C 74HCT 54HCT Symbol Parameter Conditions TAeb40 to 85 CTAeb55 to 125 C Units Typ Guaranteed Limits VIH Minimum High Level 20 20 20 V Input Voltage VIL Maximum Low Level 08 08 08 V Input Voltage VOH Minimum High Level VINeVIH or VIL Output Voltage lIOUTle20 mAVCC VCC-01 VCC-01 VCC-01 V lIOUTle60mA VCCe45V 42 398 384 37 V lIOUTle72mA VCCe55V 52 498 484 47 V VOL Maximum Low Level VINeVIH or VIL Voltage lIOUTle20 mA 0 01 01 01 V lIOUTle60mA VCCe45V 02 026 033 04 V lIOUTle72mA VCCe55V 02 026 033 04 V IIN Maximum Input VINeVCC or GND g 01 g 10 g 10 m A Current VIH or VIL IOZ Maximum TRI-STATE VOUTeVCC or GND g 05 g 50 g 10 m A Output Leakage Enable GeVIH Current ICC Maximum Quiescent VINeVCC or GND 8 80 160 m A Supply Current IOUTe0mA VINe24V or 05V 06 10 13 15 mA (Note 4) Note 1 Absolute Maximum Ratings are those values beyond which damage to the device may occur Note 2 Unless otherwise specified all voltages are referenced to ground Note 3 Power Dissipation temperature derating plastic ‘‘N’’ package b12 mW C from 65 Cto85 C ceramic ‘‘J’’ package b12 mW C from 100 Cto125 C Note 4 Measured per input All other inputs held at VCC or ground AC Electrical Characteristics MM54HCT640MM74HCT640 VCCe50V tretfe6 ns TAe25 C (unless otherwise specified) Symbol Parameter Conditions Typ Guaranteed Units Limits tPHL tPLH Maximum Output CLe45 pF 16 20 ns Propagation Delay tPZL tPZH Maximum Output CLe45 pF 29 40 ns Enable Time RLe1kX tPLZ tPHZ Maximum Output CLe5pF 20 25 ns Disable Time RLe1kX 2 |
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