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| MICROCIRCUIT DATA SHEET MN54AC245-X REV 2B1 Original Creation Date: 06/28/96 Last Update Date: 03/18/02 Last Major Revision Date: 03/26/97 Octal Bidirectional Transceiver With TRI- State Inputs/Outputs General Description The AC245 contains eight non-inverting bidirectional buffers with 3-state outputs and is intended for bus-oriented applications. Current sinking capability is 24 mA at the A and B ports. The Transmit/Receiver (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. Industry Part Number 54AC245 NS Part Numbers 54AC245DMQB 54AC245FMQB 54AC245LMQB 54AC245WG-QML Prime Die Z245 Controlling Document SEE FEATURES SECTION Processing MIL-STD-883, Method 5004 Subgrp Description 1 2 3 4 5 6 7 8A 8B 9 10 11 Static tests at Static tests at Static tests at Dynamic tests at Dynamic tests at Dynamic tests at Functional tests at Functional tests at Functional tests at Switching tests at Switching tests at Switching tests at Temp ( oC) +25 +125 -55 +25 +125 -55 +25 +125 -55 +25 +125 -55 Quality Conformance Inspection MIL-STD-883, Method 5005 1 MN54AC245-X REV 2B1 MICROCIRCUIT DATA SHEET Features Icc and Ioz reduced by 50% Non-inverting buffers Bidirectional data path A and B Outputs source/sink 24 mA Standard Military Drawing (SMD) 54AC245DMQB 5962-8775801RA 54AC245FMQB 5962-8775801SA 54AC245LMQB 5962-87758012A 54AC245WG-QML 5962-8775801ZA 2 MN54AC245-X REV 2B1 MICROCIRCUIT DATA SHEET (Absolute Maximum Ratings) (Note 1) Supply Voltage (Vcc) -0.5V to +7.0V DC Input Vi = Vi = DC Input Diode Current (Iik) -0.5V Vcc +0.5V Voltage (Vi) -20 mA +20 mA -0.5V to Vcc +0.5V DC Output Diode Current (Iok) Vo = -0.5V Vo = Vcc + 0.5V DC Output Voltage (Vo) DC Output Source or Sink Current (Io) +50 mA DC Vcc or Ground Current per Output Pin (Icc or Ignd) +50 mA Junction Temperature(Tj) 175 C Storage Temperature (Tstg) -65 C to +150 C Note 1: Absolute maximum ratings are those values beyond which damage to the device may occur. The databook specification should be met, without exception, to ensure that the system design is reliable over its power supply, temperature, and output/input loading variables. National does not recommend operation of FACT TM circuits outside databook specifications. -20 mA +20 mA -0.5V to Vcc +0.5V Recommended Operating Conditions Supply Voltage (Vcc) 2.0V to 6.0V Input Voltage (Vi) 0V to Vcc Output Voltage (Vo) 0V to Vcc Operating Temperature (Ta) -55 C to +125 C Minimum Input Edge Rate (Delta V/ Delta t) AC Devices Vin from 30% to 70% of Vcc Vcc @ 3.0V, 4.5V, 5.5V 125 mV/ns 3 MN54AC245-X REV 2B1 MICROCIRCUIT DATA SHEET Electrical Characteristics DC PARAMETER (The following conditions apply to all the following parameters, unless otherwise specified.) DC: VCC 3.0V to 5.5V, Temperature Range: -55C to 125C. NOTE: -55C TEMPERATURE, SUBGROUP 3 IS GUARANTEED BUT NOT TESTED. SYMBOL IIH PARAMETER High Level Input Current Low Level Input Current Low Level Output Voltage CONDITIONS VCC=5.5V, VM=5.5V, VINL=0.0V NOTES PINNAME MIN MAX 0.1 1.0 -0.1 -1.0 .36 .50 .10 .10 .36 .50 .10 .36 .50 1.65 2.90 2.56 2.40 4.86 4.70 3.86 3.70 4.40 5.40 3.85 UNIT uA uA uA uA V V V V V V V V V V V V V V V V V V V V SUBGROUPS 1 2, 3 1 2, 3 1 2, 3 1, 2, 3 1, 2, 3 1 2, 3 1, 2, 3 1 2, 3 1, 2, 3 1, 2, 3 1 2, 3 1 2, 3 1 2, 3 1, 2, 3 1, 2, 3 1, 2, 3 1, 2 INPUT 1, 2 INPUT IIL VCC=5.5V, VM=0.0V, VINL=0.0V 1, 2 INPUT 1, 2 INPUT VOL VCC=3.0V, VIH=2.1V, VIL=0.9V, IOL=12.0mA VCC=3.0V, VIH=2.1V, VIL=0.9V, IOL=50.0uA VCC=4.5V, VIH=3.15V, VIL=1.35V, IOL=50.0uA VCC=5.5V, VIH=3.85V, VIL=1.65V, IOL=24.0mA VCC=5.5V, VIH=3.85V, VIL=1.65V, IOL=50.0uA VCC=4.5V, VIH=3.15V, VIL=1.35V, IOL=24.0mA 1, 2 OUTPUT 1, 2 OUTPUT 1, 2 OUTPUT 1, 2 OUTPUT 1, 2 OUTPUT 1, 2 OUTPUT 1, 2 OUTPUT 1, 2 OUTPUT 1, 2 OUTPUT VIOL VOH Dynamic Output Current LOW High Level Output Voltage VCC=5.5V, VIH=3.85V, VIL=1.65V, IOL=50.0mA VCC=3.0V, VIH=2.1V, VIL=0.9V, IOH=-50.0uA VCC=3.0V, VIH=2.1V, VIL=0.9V, IOH=-12.0mA VCC=5.5V, VIH=3.85V, VIL=1.65V, IOH=-24.0mA VCC=4.5V, VIH=3.15V, VIL=1.35V, IOH=-24.0mA VCC=4.5V, VIH=3.15V, VIL=1.35V, IOH=-50.0uA VCC=5.5V, VIH=3.85V, VIL=1.65V, IOH=-50.0uA 1, OUTPUT 2, 5 1, 2 OUTPUT 1, 2 OUTPUT 1, 2 OUTPUT 1, 2 OUTPUT 1, 2 OUTPUT 1, 2 OUTPUT 1, 2 OUTPUT 1, 2 OUTPUT 1, 2 OUTPUT 1, OUTPUT 2, 5 VIOH Dynamic Output Current HIGH VCC=5.5V, VIH=3.85V, VIL=1.65V, IOH=-50.0mA 4 MN54AC245-X REV 2B1 MICROCIRCUIT DATA SHEET Electrical Characteristics DC PARAMETER(Continued) (The following conditions apply to all the following parameters, unless otherwise specified.) DC: VCC 3.0V to 5.5V, Temperature Range: -55C to 125C. NOTE: -55C TEMPERATURE, SUBGROUP 3 IS GUARANTEED BUT NOT TESTED. SYMBOL IOZH PARAMETER Maximum TRI-STATE Leakage Current High CONDITIONS VCC=3.0V, VM=3.0V, VINH=0.0V, VINL=0.0V, VIH=2.1V VCC=4.5V, VM=4.5V, VINH=4.5V, VINL=0.0V, VIH=3.15V VCC=5.5V, VM=5.5V, VINH=5.5V, VINL=0.0V, VIH=3.85V IOZL Maximum TRI-STATE Leakage Current Low VCC=3.0V, VM=0.0V, VINH=3.0V, VINL=0.0V VIH=2.1V VCC=4.5V, VM=0.0V, VINH=4.5V, VINL=0.0V, VIH=3.15V VCC=5.5V, VM=0.0V, VINH=5.5V, VINL=0.0V, VIH=3.85V ICCH Supply Current VCC=5.5V, VINH=5.5V, VINL=0.0V NOTES PINNAME MIN MAX .3 5.5 .3 5.5 .3 5.5 -.3 -5.5 -.3 -5.5 -.3 -5.5 4 80 4 80 4 80 UNIT uA uA uA uA uA uA uA uA uA uA uA uA uA uA uA uA uA uA SUBGROUPS 1 2, 3 1 2, 3 1 2, 3 1 2, 3 1 2, 3 1 2, 3 1 2, 3 1 2, 3 1 2, 3 1, 2 OUTPUT 1, 2 OUTPUT 1, 2 OUTPUT 1, 2 OUTPUT 1, 2 OUTPUT 1, 2 OUTPUT 1, 2 OUTPUT 1, 2 OUTPUT 1, 2 OUTPUT 1, 2 OUTPUT 1, 2 OUTPUT 1, 2 OUTPUT 1, 2 VCC 1, 2 VCC ICCL Supply Current VCC=5.5V, VINH=5.5V, VINL=0.0V 1, 2 VCC 1, 2 VCC ICCZ Supply Current VCC=5.5V, VINH=5.5V, VINL=0.0V 1, 2 VCC 1, 2 VCC AC PARAMETER (The following conditions apply to all the following parameters, unless otherwise specified.) AC: CL=50pf, RL=500 OHMS, TRISE=3.0ns, TFALL=3.0ns, Temp Range: -55C to 125C. NOTE: -55C TEMPERATURE, SUBGROUP 11 IS GUARANTEED BUT NOT TESTED. tpLH(1) Propagation Delay VCC=4.5V 3, A to B 1.5 4, 6 or B to A 3, A to B 1.5 4, 6 or B to A tpHL(1) Propagation Delay VCC=4.5V 3, A to B 1.5 4, 6 or B to A 3, A to B 1.5 4, 6 or B to A 6.5 ns 9 8.5 ns 10, 11 6.0 ns 9 7.5 ns 10, 11 5 MN54AC245-X REV 2B1 MICROCIRCUIT DATA SHEET Electrical Characteristics AC PARAMETER(Continued) (The following conditions apply to all the following parameters, unless otherwise specified.) AC: CL=50pf, RL=500 OHMS, TRISE=3.0ns, TFALL=3.0ns, Temp Range: -55C to 125C. NOTE: -55C TEMPERATURE, SUBGROUP 11 IS GUARANTEED BUT NOT TESTED. SYMBOL tpZL(1) PARAMETER Output Enable Time VCC=4.5V CONDITIONS NOTES PINNAME MIN 1.5 MAX 9.0 UNIT ns SUBGROUPS 9 3, OE to 4, 6 An or Bn 3, OE to 4, 6 An or Bn 1.5 10.5 ns 10, 11 tpZH(1) Output Enable Time VCC=4.5V 3, OE to 4, 6 An or Bn 3, OE to 4, 6 An or Bn 1.5 8.5 ns 9 1.5 10.0 ns 10, 11 tpHZ(1) Output Disable Time VCC=4.5V 3, OE to 4, 6 An or Bn 3, OE to 4, 6 An or Bn 1.5 9.0 ns 9 1.5 10.5 ns 10, 11 tpLZ(1) Output Disable Time VCC=4.5V 3, OE to 4, 6 An or Bn 3, OE to 4, 6 An or Bn 1.5 9.0 ns 9 1.5 10.5 ns 10, 11 tpLH(2) Propagation Delay VCC=3.0V 3, 4 A to B 1.0 or B to A 3, 4 A to B 1.0 or B to A 8.5 ns 9 11.5 ns 10, 11 tpHL(2) Propagation Delay VCC=3.0V 3, 4 A to B 1.0 or B to A 3, 4 A to B 1.0 or B to A 8.5 ns 9 10.0 ns 10, 11 tpZL(2) Output Enable Time VCC=3.0V 3, 4 OE to An or Bn 3, 4 OE to An or Bn 1.0 12.0 ns 9 1.0 14.5 ns 10, 11 6 MN54AC245-X REV 2B1 MICROCIRCUIT DATA SHEET Electrical Characteristics AC PARAMETER(Continued) (The following conditions apply to all the following parameters, unless otherwise specified.) AC: CL=50pf, RL=500 OHMS, TRISE=3.0ns, TFALL=3.0ns, Temp Range: -55C to 125C. NOTE: -55C TEMPERATURE, SUBGROUP 11 IS GUARANTEED BUT NOT TESTED. SYMBOL tpZH(2) PARAMETER Output Enable Time VCC=3.0V CONDITIONS NOTES PINNAME MIN 1.0 MAX 11.5 UNIT ns SUBGROUPS 9 3, 4 OE to An or Bn 3, 4 OE to An or Bn 1.0 13.5 ns 10, 11 tpHZ(2) Output Disable Time VCC=3.0V 3, 4 OE to An or Bn 3, 4 OE to An or Bn 1.0 12.0 ns 9 1.0 13.5 ns 10, 11 tpLZ(2) Output Disable Time VCC=3.0V 3, 4 OE to An or Bn 3, 4 OE to An or Bn 1.0 11.5 ns 9 1.0 14.0 ns 10, 11 Note 1: Note 2: Note 3: Note 4: Note 5: Note 6: SCREEN TESTED 100% ON EACH DEVICE AT +25C & +125C TEMPERATURE, SUBGROUPS 1, 2, 7, & 8. SAMPLE TESTED (METHOD 5005, TABLE 1) ON EACH MFG. LOT AT +25C & +125C TEMPERATURE, SUBGROUPS A1, 2, 7, & 8. SCREEN TESTED 100% ON EACH DEVICE AT +25C TEMPERATURE ONLY, SUBGROUP A9. SAMPLE TESTED (METHOD 5005, TABLE 1) ON EACH MFG. LOT AT +25C & +125C TEMPERATURE, SUBGROUPS A9 & 10. TRANSMISSION LINE DRIVING TEST, GUARDBAND LIMITS SET FOR +25C, 2 MSEC DURATION MAX. +25C & +125C MIN LIMITS GUARANTEED FOR 5.5V BY GUARDBANDING 4.5V MIN. LIMITS. 7 MN54AC245-X REV 2B1 MICROCIRCUIT DATA SHEET Graphics and Diagrams GRAPHICS# WG20ARB DESCRIPTION CERPACK, 20 LEAD GULL WING (P/P DWG) See attached graphics following this page. 8 MN54AC245-X REV 2B1 MICROCIRCUIT DATA SHEET Revision History Rev 2B1 ECN # Rel Date Originator Rose Malone Changes Update MDS: MN54AC245-X, Rev. 2A0 to MN54AC245-X, Rev. 2B1. Added SMD Numbers and WG pkg to Main Table and Features Section, also added WG Mkt Dwg to Graphics Section. M0003970 03/18/02 9 This datasheet has been download from: www..com Datasheets for electronics components. |
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