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74LV161284DGGRE4 Scheda tecnica(PDF) 4 Page - Texas Instruments |
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74LV161284DGGRE4 Scheda tecnica(HTML) 4 Page - Texas Instruments |
4 / 7 page SN74LV161284 19-BIT BUS INTERFACE SCLS426C – OCTOBER 1998 – REVISED NOVEMBER 2002 4 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 electrical characteristics over recommended operating free-air temperature range, VCC CABLE = VCC (unless otherwise noted) PARAMETER TEST CONDITIONS VCC MIN TYP† MAX UNIT ∆V It h t i VthH – VthL for all inputs except the C inputs and HOST LOGIC IN 4.5 V to 5.5 V 0.4 V ∆Vt Input hysteresis VthH – VthL for the HOST LOGIC IN 5V 0.3 V VthH – VthL for the C inputs 5 V 0.8 VIK Input clamp diode voltage II = –18 mA 3 V –1.2 V B and Y outputs IOH = –14 mA (HD high) 3.73 VOH A outputs and HOST LOGIC OUT IOH = –8 mA (HD high) 4.5 V 3.8 V VOH A outputs and HOST LOGIC OUT IOH = –50 µA 4.4 V PERI LOGIC OUT IOH = –0.5 mA 4.5 V 4.45 B and Y outputs IOL = 14 mA 0.77 VOL A outputs and HOST LOGIC OUT IOL = 50 µA 45 V 0.1 V VOL A outputs and HOST LOGIC OUT IOL = 8 mA 4.5 V 0.44 V PERI LOGIC OUT IOL = 84 mA 0.7 Cinputs VI = VCC 55 V 350 µA II C inputs VI = GND (pullup resistors) 5.5 V –5 mA II B and C inputs VI = 5.5 V or GND 0 to 5.5 V ±5 mA All inputs except the B or C inputs VI = VCC or GND 5.5 V ±1 µA B outputs VO = VCC 5.5 V 350 µA IOZ B outputs VO = GND (pullup resistors) 5.5 V –5 mA IOZ A1–A8 VO = VCC or GND 5.5 V ±20 µA Open-drain Y outputs VO = GND (pullup resistors) 5.5 V –5 mA IOZPU B and Y outputs VO = 5.5 V 0to2V 350 µA IOZPU B and Y outputs VO = GND 0 to 2 V –5 mA IOZPD B and Y outputs VO = 5.5 V 2Vto0 350 µA IOZPD B and Y outputs VO = GND 2 V to 0 –5 mA I ff Power-down output leakage, Outputs B1 – B8, Y9 – Y13, and PERI LOGIC OUT VO = 5.5 V 0 100 µA Ioff Power-down input leakage, Inputs C14 – C17 and HOST LOGIC IN VI = 5.5 V 0 100 µA I ‡ VI = VCC, IO = 0 55 V 0.8 mA ICC‡ VI = GND (12 × pullup) 5.5 V 70 mA Ci All inputs VI = VCC or GND 5 V 5 pF Cio I/O ports VO = VCC or GND 5 V 9 pF ZO Cable side IOH = –35 mA 5 V 45 Ω R pullup Cable side VO = 0 V (in Hi Z) 5 V 1.15 1.65 k Ω † All typical values are at VCC = 5 V, TA = 25°C. ‡ A maximum current of 170 µA per pin is added to ICC if the pullup resistor pin is above VCC. |
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