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IDT54FCT245ALB Datasheet(PDF) 2 Page - Integrated Device Technology |
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IDT54FCT245ALB Datasheet(HTML) 2 Page - Integrated Device Technology |
2 / 7 page 7.9 2 IDT54/74FCT245/A/C, IDT54/74FCT640/A/C, IDT54/74FCT645/A/C FAST CMOS OCTAL BIDIRECTIONAL TRANSCEIVERS MILITARY AND COMMERCIAL TEMPERATURE RANGES PIN DESCRIPTION Pin Names Description OE Output Enable Input (Active LOW) T/ R Transmit/Receive Input A0–A7 Side A Inputs or 3-State Outputs B0–B7 Side B Inputs or 3-State Outputs 2534 tbl 05 FUNCTION TABLE (2) Inputs OE OE T/ RR Outputs L L Bus B Data to Bus A (1) L H Bus A Data to Bus B (1) H X High Z State NOTES: 2534 tbl 06 1. 640 is inverting from input to output. 2. H = HIGH Voltage Level L = LOW Voltage Level X = Don’t Care ABSOLUTE MAXIMUM RATINGS (1) Symbol Rating Commercial Military Unit VTERM (2) Terminal Voltage –0.5 to +7.0 –0.5 to +7.0 V with Respect to GND VTERM (3) Terminal Voltage –0.5 to VCC –0.5 to VCC V with Respect to GND TA Operating 0 to +70 –55 to +125 °C Temperature TBIAS Temperature –55 to +125 –65 to +135 °C Under Bias TSTG Storage –55 to +125 –65 to +150 °C Temperature PT Power Dissipation 0.5 0.5 W IOUT DC Output Current 120 120 mA NOTES: 2534 tbl 01 1. Stresses greater than those listed under ABSOLUTE MAXIMUM RATINGS may cause permanent damage to the device. This is a stress rating only and functional operation of the device at these or any other conditions above those indicated in the operational sections of this specification is not implied. Exposure to absolute maximum rating conditions for extended periods may affect reliability. No terminal voltage may exceed VCC by +0.5V unless otherwise noted. 2. Inputs and VCC terminals. 3. Outputs and I/O terminals. CAPACITANCE (TA = +25 °C, f = 1.0MHz) Symbol Parameter (1) Conditions Typ. Max. Unit CIN Input Capacitance VIN = 0V 6 10 pF CI/O I/O Capacitance VOUT = 0V 8 12 pF NOTE: 2534 tbl 02 1. This parameter is measured at characterization but not tested. |
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