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74LVC8T245RHLRG4 Arkusz danych(PDF) 5 Page - Texas Instruments |
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74LVC8T245RHLRG4 Arkusz danych(HTML) 5 Page - Texas Instruments |
5 / 23 page www.ti.com Electrical Characteristics (1) (2) SN74LVC8T245 8-BIT DUAL-SUPPLY BUS TRANSCEIVER WITH CONFIGURABLE VOLTAGE TRANSLATION AND 3-STATE OUTPUTS SCES584A – JUNE 2005 – REVISED AUGUST 2005 over recommended operating free-air temperature range (unless otherwise noted) PARAMETER TEST CONDITIONS VCCA VCCB MIN TYP MAX MIN MAX UNIT IOH = –100 µA, VI = VIH 1.65 V to 4.5 V 1.65 V to 4.5 V VCCO – 0.1 IOH = –4 mA, VI = VIH 1.65 V 1.65 V 1.2 VOH IOH = –8 mA, VI = VIH 2.3 V 2.3 V 1.9 V IOH = –24 mA, VI = VIH 3 V 3 V 2.4 IOH = –32 mA, VI = VIH 4.5 V 4.5 V 3.8 IOL = 100 µA, VI = VIL 1.65 V to 4.5 V 1.65 V to 4.5 V 0.1 IOL = 4 mA, VI = VIL 1.65 V 1.65 V 0.45 VOL IOL = 8 mA, VI = VIL 2.3 V 2.3 V 0.3 V IOL = 24 mA, VI = VIL 3 V 3 V 0.55 IOL = 32 mA, VI = VIL 4.5 V 4.5 V 0.55 II DIR VI = VCCA or GND 1.65 V to 5.5 V 1.65 V to 5.5 V ±1 ±2 µA 0 V 0 to 5.5 V ±1 ±2 A or B Ioff VI or VO = 0 to 5.5 V µA port 0 to 5.5 V 0 V ±1 ±2 A or B VO = VCCO or GND, IOZ 1.65 V to 5.5 V 1.65 V to 5.5 V ±1 ±2 µA port OE = VIH 1.65 V to 5.5 V 1.65 V to 5.5 V 15 ICCA VI = VCCI or GND, IO = 0 5 V 0 V 15 µA 0 V 5 V –2 1.65 V to 5.5 V 1.65 V to 5.5 V 15 ICCB VI = VCCI or GND, IO = 0 5 V 0 V –2 µA 0 V 5 V 15 ICCA + ICCB VI = VCCI or GND, IO = 0 1.65 V to 5.5 V 1.65 V to 5.5 V 25 µA One A port at VCCA – 0.6 V, A port 50 DIR at VCCA, B port = open ∆I CCA 3 V to 5.5 V 3 V to 5.5 V µA DIR at VCCA – 0.6 V, DIR B port = open, 50 A port at VCCA or GND One B port at VCCB – 0.6 V, ∆I CCB B port 3 V to 5.5 V 3 V to 5.5 V 50 µA DIR at GND, A port = open Control Ci VI = VCCA or GND 3.3 V 3.3 V 4 5 pF inputs A or B Cio VO = VCCA/B or GND 3.3 V 3.3 V 8.5 10 pF port (1) VCCO is the VCC associated with the output port. (2) VCCI is the VCC associated with the input port. 5 |
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