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SN74F1056SC Datasheet(PDF) 2 Page - Texas Instruments |
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SN74F1056SC Datasheet(HTML) 2 Page - Texas Instruments |
2 / 5 page SN74F1056 8-BIT SCHOTTKY BARRIER DIODE BUS-TERMINATION ARRAY SDFS085A – AUGUST 1992 – REVISED JULY 1997 2 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 absolute maximum ratings over operating free-air temperature range (unless otherwise noted)† Steady-state reverse voltage, VR 7 V . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Continuous forward current, IF: Any D terminal from GND 50 mA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Total through all GND terminals 170 mA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Repetitive peak forward current, IFRM (see Note 1): Any D terminal from GND 300 mA . . . . . . . . . . . . . . . . . . Total through all GND terminals 1.2 A . . . . . . . . . . . . . . . Continuous total power dissipation at (or below) 25 °C free-air temperature 500 mW . . . . . . . . . . . . . . . . . . . . . Operating free-air temperature range 0 °C to 70°C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Storage temperature range, Tstg –65 °C to 150°C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . † Stresses beyond those listed under “absolute maximum ratings” may cause permanent damage to the device. These are stress ratings only, and functional operation of the device at these or any other conditions beyond those indicated under “recommended operating conditions” is not implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability. NOTE 1: These values apply for tw ≤ 100 µs, duty cycle ≤ 20%. electrical characteristics over recommended operating free-air temperature range (unless otherwise noted) single-diode operation (see Note 2) PARAMETER TEST CONDITIONS MIN TYP‡ MAX UNIT IR Static reverse current VR = 7 V 2 µA VF Static forward voltage IF = 18 mA 0.8 1 V VF Static forward voltage IF = 50 mA 1 1.2 V VFM Peak forward voltage IF = 200 mA 1.23 V Ct Total capacitance VR = 0, f = 1 MHz 3 3.75 pF Ct Total capacitance VR = 2 V, f = 1 MHz 2.5 3 pF ‡ All typical values are at TA = 25°C. NOTE 2: Test conditions and limits apply separately to each of the diodes. The diodes not under test are open-circuited during the measurement of these characteristics. multiple-diode operation PARAMETER TEST CONDITIONS MIN TYP‡ MAX UNIT Ix Internal crosstalk current Total GND current = 1.2 A, See Note 3 10 50 µA ‡ All typical values are at TA = 25°C. NOTE 3: Ix is measured under the following conditions with one diode static, all others switching: Switching diodes: tw = 100 µs, duty cycle = 20% Static diode: VR = 5 V The static diode input current is the internal crosstalk current Ix. switching characteristics, TA = 25°C PARAMETER TEST CONDITIONS MIN TYP MAX UNIT trr Reverse recovery time IF = 10 mA, IRM(REC) = 10 mA, IR(REC) = 1 mA, RL = 100 Ω 5 7 ns undershoot characteristics PARAMETER TEST CONDITIONS MIN TYP MAX UNIT VUS Undershoot voltage tf = 2 ns, tw = 50 ns, VIH = 5 V, VIL = 0, ZS = 25 Ω, ZO = 50 Ω, L = 36-inch coax 0.6 0.7 V |
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