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74F657 Datasheet(PDF) 6 Page - Texas Instruments |
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74F657 Datasheet(HTML) 6 Page - Texas Instruments |
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6 / 12 page  Absolute Maximum Ratings (Note 1) If MilitaryAerospace specified devices are required please contact the National Semiconductor Sales OfficeDistributors for availability and specifications Storage Temperature b 65 Cto a150 C Ambient Temperature under Bias b 55 Cto a125 C Junction Temperature under Bias b 55 Cto a175 C Plastic b 55 Cto a150 C VCC Pin Potential to Ground Pin b 05V to a70V Input Voltage (Note 2) b 05V to a70V Input Current (Note 2) b 30 mA to a50 mA Voltage Applied to Output in HIGH State (with VCC e 0V) Standard Output b 05V to VCC TRI-STATE Output b 05V to a55V Current Applied to Output in LOW State (Max) twice the rated IOL (mA) Note 1 Absolute maximum ratings are values beyond which the device may be damaged or have its useful life impaired Functional operation under these conditions is not implied Note 2 Either voltage limit or current limit is sufficient to protect inputs Recommended Operating Conditions Free Air Ambient Temperature Military b 55 Cto a125 C Commercial 0 Cto a70 C Supply Voltage Military a 45V to a55V Commercial a 45V to a55V DC Electrical Characteristics Symbol Parameter 54F74F Units VCC Conditions Min Typ Max VIH Input HIGH Voltage 20 V Recognized as a HIGH Signal VIL Input LOW Voltage 08 V Recognized as a LOW Signal VCD Input Clamp Diode Voltage b 12 V Min IIN eb18 mA VOH Output HIGH 54F 10%VCC 25 IOH eb1mA(An) Voltage 54F 10% VCC 24 IOH eb3mA(An Bn Parity ERROR) 54F 10% VCC 20 IOH eb12 mA (Bn Parity ERROR) 74F 10% VCC 25 V Min IOH eb1mA(An) 74F 10% VCC 24 IOH eb3mA(An Bn Parity ERROR) 74F 10% VCC 20 IOH eb15 mA (Bn Parity ERROR) 74F 5% VCC 27 IOH eb1mA(An) 74F 5% VCC 27 IOH eb3mA(An Bn Parity ERROR) VOL Output LOW 54F 10% VCC 05 IOL e 20 mA (An) Voltage 54F 10% VCC 055 V Min IOL e 48 mA (Bn Parity ERROR) 74F 10% VCC 05 IOL e 24 mA (An) 74F 10% VCC 055 IOL e 64 mA (Bn Parity ERROR) IIH Input HIGH Current 20 m A Max VIN e 27V (ODDEVEN) 40 VIN 27V (TR OE) IBVI Input HIGH Current 100 m AVCC e 0 VIN e 70V (TR OE ODDEVEN) Breakdown Test IBVIT Input HIGH Current 10 mA Max VIN e 55V (Parity Bn) Breakdown Test (IO) 20 VIN e 55V (An) IIL Input LOW Current b 20 m A Max VIN e 05V (ODDEVEN) b 40 VIN e 05V (TR OE) IOZH Output Leakage Current 50 m A Max VOUT e 27V (ERROR) IOZL Output Leakage Current b 50 m A Max VOUT e 05V (ERROR) IIH a IOZH Output Leakage Current 70 m A Max VIO e 27V (Bn Parity) 90 VIO e 27V (An) IIL a IOZL Output Leakage Current b 70 m A Max VIO e 05V (Bn Parity) b 90 VIO e 05V (An) IOS Output Short-Circuit Current b 60 b 150 mA Max VOUT e 0V (An) b 100 b 225 VOUT e 0V (Bn Parity ERROR) ICEX Output HIGH Leakage 250 m A Max VOUT e VCC (ERROR) Current 10 mA Max VOUT e VCC (Bn Parity) 20 mA Max VOUT e VCC (An) IZZ Bus Drainage Test 500 m A 00V VOUT e 525V (An Bn Parity ERROR) ICCH Power Supply Current 101 125 mA Max VO e HIGH ICCL Power Supply Current 112 150 mA Max VO e LOW ICCZ Power Supply Current 109 145 mA Max VO e HIGH Z 5 |
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