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74F245
54F 74F245 Octal Bidirectional Transceiver with TRI-STATE Outputs General Description Features The ’F245 contains eight non-inverting bidirectional buffers with TRI-STATE outputs and is intended for bus-oriented applications Current sinking capability is 24 mA (20 mA Mil) at the A ports and 64 mA (48 mA Mil) at the B ports The Transmit Receive (T R) input determines the direction of data flow through the bidirectional transceiver Transmit (active HIGH) enables data from A ports to B ports Receive (active LOW) enables data from B ports to A ports The Output Enable input when HIGH disables both A and B ports by placing them in a High Z condition Y Y Y Package Number Military e Y Non-inverting buffers Bidirectional data path A outputs sink 24 mA (20 mA Mil) B outputs sink 64 mA (48 mA Mil) Guaranteed 4000V minimum ESD protection Package Description et Commercial Y 74F245PC N20A 20-Lead (0 300 Wide) Molded Dual-In-Line J20A 20-Lead Ceramic Dual-In-Line 74F245SC (Note 1) M20B 20-Lead (0 300 Wide) Molded Small Outline JEDEC 74F245SJ (Note 1) M20D 20-Lead (0 300 Wide) Molded Small Outline EIAJ 74F245MSA (Note 1) MSA20 20-Lead Molded Shrink Small Outline EIAJ Type II 54F245FM (Note 2) W20A 20-Lead Cerpack 54F245LM (Note 2) E20A 20-Lead Ceramic Leadless Chip Carrier Type C bs ol 54F245DM (Note 2) Note 1 Devices also available in 13 reel Use suffix e SCX SJX and MSAX Note 2 Military grade device with environmental and burn-in processing Use suffix e DMQB FMQB and LMQB Logic Symbols O IEEE IEC TL F 9503 – 3 TL F 9503 – 4 TRI-STATE is a registered trademark of National Semiconductor Corporation C1995 National Semiconductor Corporation TL F 9503 RRD-B30M75 Printed in U S A 54F 74F245 Octal Bidirectional Transceiver with TRI-STATE Outputs June 1995 Current Applied to Output in LOW State (Max) Absolute Maximum Ratings (Note 1) If Military Aerospace specified devices are required please contact the National Semiconductor Sales Office Distributors for availability and specifications Storage Temperature b 55 C to a 125 C b 55 C to a 175 C b 55 C to a 150 C VCC Pin Potential to Ground Pin Note 2 Either voltage limit or current limit is sufficient to protect inputs Recommended Operating Conditions b 0 5V to a 7 0V Free Air Ambient Temperature Military Commercial b 0 5V to a 7 0V Input Voltage (Note 2) Input Current (Note 2) Voltage Applied to Output in HIGH State (with VCC e 0V) Standard Output TRI-STATE Output 4000V 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 b 65 C to a 150 C Ambient Temperature under Bias Junction Temperature under Bias Plastic twice the rated IOL (mA) ESD Last Passing Voltage (Min) b 30 mA to a 5 0 mA b 55 C to a 125 C 0 C to a 70 C Supply Voltage Military Commercial b 0 5V to VCC b 0 5V to a 5 5V a 4 5V to a 5 5V a 4 5V to a 5 5V Symbol 54F 74F Parameter Min VIH Input HIGH Voltage VIL Input LOW Voltage VCD Input Clamp Diode Voltage VOH Output HIGH Voltage Typ VCC V Conditions V Recognized as a LOW Signal et 08 Recognized as a HIGH Signal b1 2 24 20 24 20 27 V V Min Min bs ol VOL Units Max 20 54F 10% VCC 54F 10% VCC 74F 10% VCC 74F 10% VCC 74F 5% VCC e DC Electrical Characteristics IIN e b18 mA IOH IOH IOH IOH IOH e e e e e b 3 mA (An) b 12 mA (Bn) b 3 mA (An) b 15 mA (Bn) b 3 mA (An) e e e e 20 mA (An) 48 mA (Bn) 24 mA (An) 64 mA (Bn) Output LOW Voltage 54F 10% VCC 54F 10% VCC 74F 10% VCC 74F 10% VCC 05 0 55 05 0 55 V Min IOL IOL IOL IOL Input HIGH Current 54F 74F 20 0 50 mA Max VIN e 2 7V Input HIGH Current 54F Breakdown Test 74F 100 70 mA Max VIN e 7 0V (OE T R) Input HIGH Current 54F Breakdown (I O) 74F 10 05 mA Max VIN e 5 5 V (An Bn) Output HIGH Leakage Current 54F 74F 250 50 mA Max VOUT e VCC (An Bn) Input Leakage Test 74F V 00 IID e 1 9 mA All Other Pins Grounded IOD Output Leakage Circuit Current 74F 3 75 mA 00 VIOD e 150 mV All Other Pins Grounded IIL Input LOW Current b1 2 mA Max VIN e 0 5V (T R OE) IIH a IOZH Output Leakage Current 70 mA Max VOUT e 2 7V (An Bn) IIL a IOZL Output Leakage Current b 650 mA Max VOUT e 0 5V (An Bn) IIH IBVI IBVIT ICEX O VID 4 75 3
TI
Texas Instruments Incorporated
U.S.A
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