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IDT74FCT138ASOB Scheda tecnica(PDF) 2 Page - Integrated Device Technology |
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IDT74FCT138ASOB Scheda tecnica(HTML) 2 Page - Integrated Device Technology |
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2 / 6 page ![]() 7.3 2 IDT54/74FCT138/A/C FAST CMOS 1-OF-8 DECODER-WITH ENABLE MILITARY AND COMMERCIAL TEMPERATURE RANGES PIN DESCRIPTION Pin Names Description A0–A2 Address Inputs E1, E2 Enable Inputs (Active LOW) E3 Enable Input (Active HIGH) O0–O7 Outputs (Active LOW) 2581 tbl 05 FUNCTION TABLE Inputs Outputs EE1 EE2 E3 A0 A1 A2 O O0 O O1 O2 O O3 O O4 O O5 O O6 O O7 H X X X X X H H H HHH HH X H X X X X H H H HHH HH X X L X X X H H H HHH HH L L H L L L L H H HHH HH L L HH L L H L H HHH HH L L H L H L H H L HHH HH L L HH H L H H H L HH HH L L HL LH H H H H LH H H L L HH L H H H H H H L HH L L H L HH H H H HHH L H L L HH HH H H H HHH H L 2581 tbl 06 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: 2581 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 only. 3. Outputs and I/O terminals only. CAPACITANCE (TA = +25 °C, f = 1.0MHz) Symbol Parameter (1) Conditions Typ. Max. Unit CIN Input Capacitance VIN = 0V 6 10 pF COUT Output Capacitance VOUT = 0V 8 12 pF NOTE: 2581 tbl 02 1. This parameter is guaranteed characterization data and not tested. |
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