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LC245A Arkusz danych(PDF) 5 Page - Texas Instruments |
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LC245A Arkusz danych(HTML) 5 Page - Texas Instruments |
5 / 19 page www.ti.com Electrical Characteristics Switching Characteristics SN74LVC245A OCTAL BUS TRANSCEIVER WITH 3-STATE OUTPUTS SCAS218T – JANUARY 1993 – REVISED FEBRUARY 2005 over recommended operating free-air temperature range (unless otherwise noted) TA = 25°C –40 °C TO 85°C PARAMETER TEST CONDITIONS VCC UNIT MIN TYP MAX MIN MAX IOH = –100 µA 1.65 V to 3.6 V VCC – 0.2 VCC – 0.2 IOH = –4 mA 1.65 V 1.29 1.2 IOH = –8 mA 2.3 V 1.9 1.7 VOH V 2.7 V 2.2 2.2 IOH = –12 mA 3 V 2.4 2.4 IOH = –24 mA 3 V 2.3 2.2 IOL = 100 µA 1.65 V to 3.6 V 0.1 0.2 IOL = 4 mA 1.65 V 0.24 0.45 VOL IOL = 8 mA 2.3 V 0.3 0.7 V IOL = 12 mA 2.7 V 0.4 0.4 IOL = 24 mA 3 V 0.55 0.55 II Control inputs VI = 0 to 5.5 V 3.6 V ±1 ±5 µA Ioff VI or VO = 5.5 V 0 ±1 ±10 µA IOZ(1) VO = 0 to 5.5 V 3.6 V ±1 ±10 µA VI = VCC or GND 1 10 ICC IO = 0 3.6 V µA 3.6 V ≤ V I ≤ 5.5 V (2) 1 10 One input at VCC – 0.6 V, ∆I CC 2.7 V to 3.6 V 500 500 µA Other inputs at VCC or GND Ci Control inputs VI = VCC or GND 3.3 V 4 pF Cio A or B ports VI = VCC or GND 3.3 V 5.5 pF (1) For I/O ports, the parameter IOZ includes the input leakage current. (2) This applies in the disabled state only. over recommended operating free-air temperature range (unless otherwise noted) (see Figure 1) TA = 25°C –40 °C TO 85°C FROM TO PARAMETER VCC UNIT (INPUT) (OUTPUT) MIN TYP MAX MIN MAX 1.8 V ± 0.15 V 1 6 12.2 1 12.7 2.5 V ± 0.2 V 1 3.9 7.8 1 8.3 tpd A or B B or A ns 2.7 V 1 4.2 7.1 1 7.3 3.3 V ± 0.3 V 1.5 3.8 6.1 1.5 6.3 1.8 V ± 0.15 V 1 7 14.8 1 15.3 2.5 V ± 0.2 V 1 4.5 10 1 10.5 ten OE A or B ns 2.7 V 1 5.4 9.3 1 9.5 3.3 V ± 0.3 V 1.5 4.4 8.3 1.5 8.5 1.8 V ± 0.15 V 1 7.8 16.5 1 17 2.5 V ± 0.2 V 1 4 9 1 9.5 tdis OE A or B ns 2.7 V 1 4.4 8.3 1 8.5 3.3 V ± 0.3 V 1.7 4.1 7.3 1.7 7.5 tsk(o) 3.3 V ± 0.3 V 1 ns 5 |
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