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IDT74FCT621T Datasheet(PDF) 2 Page - Integrated Device Technology |
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IDT74FCT621T Datasheet(HTML) 2 Page - Integrated Device Technology |
2 / 6 page IDT54/74FCT621T/AT FAST CMOS OCTAL BUS TRANSCEIVER (OPEN DRAIN) MILITARY AND COMMERCIAL TEMPERATURE RANGES 6.18 2 PIN DESCRIPTION Pin Names Description GBA, GAB Enable Inputs A1 – A8 A Inputs or Open-drain Outputs B1 – B8 B Inputs or Open-drain Outputs 2538 tbl 01 FUNCTION TABLE (1) Enable Inputs G GBA GAB Function L L B data to A bus H H A data to B bus H L OFF L H B data to A bus A data to B bus NOTE: 2538 tbl 02 1. H = HIGH Voltage Level. L = LOW Voltage Level. OFF = HIGH if pull-up resistor is connected to Open-Drain output. ABSOLUTE MAXIMUM RATINGS (1) CAPACITANCE (TA = +25 °C, f = 1.0MHz) Symbol Rating Commercial Military Unit VTERM(2) Terminal Voltage with Respect to GND –0.5 to +7.0 –0.5 to +7.0 V VTERM(3) Terminal Voltage with Respect to GND –0.5 to VCC +0.5 –0.5 to VCC +0.5 V TA Operating Temperature 0 to +70 –55 to +125 °C TBIAS Temperature Under Bias –55 to +125 –65 to +135 °C TSTG Storage Temperature –55 to +125 –65 to +150 °C PT Power Dissipation 0.5 0.5 W IOUT DC Output Current –60 to +120 –60 to +120 mA Symbol Parameter(1) Conditions Typ. Max. Unit CIN Input Capacitance VIN = 0V 6 10 pF COUT Output Capacitance VOUT = 0V 8 12 pF 2538 lnk 03 NOTES: 1. Stresses greater than those listed under ABSOLUTE MAXIMUM RAT- INGS 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. Input and VCC terminals only. 3. Outputs and I/O terminals only. 2538 lnk 04 NOTE: 1. This parameter is measured at characterization but not tested. |
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