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74LVCH8T245PWRG4 数据表(PDF) 5 Page - Texas Instruments |
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74LVCH8T245PWRG4 数据表(HTML) 5 Page - Texas Instruments |
5 / 22 page www.ti.com Electrical Characteristics (1) (2) SN74LVCH8T245 8-BIT DUAL-SUPPLY BUS TRANSCEIVER WITH CONFIGURABLE VOLTAGE TRANSLATION AND 3-STATE OUTPUTS SCES637A – AUGUST 2005 – REVISED FEBRUARY 2007 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 Control II VI = VCCA or GND 1.65 V to 5.5 V 1.65 V to 5.5 V ±0.5 ±1 ±2 µA inputs VI = 0.58 V 1.65 V 1.65 V 15 VI = 0.7 V 2.3 V 2.3 V 45 IBHL(3) µA VI = 0.8 V 3 V 3 V 75 VI = 0.1.35 V 4.5 V 4.5 V 100 VI = 1.07 V 1.65 V 1.65 V –15 VI = 1.7 V 2.3 V 2.3 V –45 IBHH(4) µA VI = 2 V 3 V 3 V –75 VI = 3.15 V 4.5 V 4.5 V –100 1.95 V 1.95 V 200 2.7 V 2.7 V 300 IBHLO(5) VI = 0 to VCC µA 3.6 V 3.6 V 500 5.5 V 5.5 V 900 1.95 V 1.95 V –200 2.7 V 2.7 V –300 IBHHO(6) VI = 0 to VCC µA 3.6 V 3.6 V –500 5.5 V 5.5 V –900 A port 0 V 0 to 5.5 V ±0.5 ±1 ±2 Ioff VI or VO = 0 to 5.5 V µA B port 0 to 5.5 V 0 V ±0.5 ±1 ±2 A or B OE = VIH 1.65 V to 5.5 V 1.65 V to 5.5 V ±1 ±2 port VO = VCCO or GND, IOZ µA B port VI = VCCI or GND 0 V 5.5 V ±1 ±2 OE = don't care A port 5.5 V 0 V ±1 ±2 1.65 V to 5.5 V 1.65 V to 5.5 V 20 ICCA VI = VCCI or GND, IO = 0 5 V 0 V 20 µA 0 V 5 V –2 1.65 V to 5.5 V 1.65 V to 5.5 V 20 ICCB VI = VCCI or GND, IO = 0 5 V 0 V –2 µA 0 V 5 V 20 ICCA + ICCB VI = VCCI or GND, IO = 0 1.65 V to 5.5 V 1.65 V to 5.5 V 30 µA (1) VCCO is the VCC associated with the output port. (2) VCCI is the VCC associated with the input port. (3) The bus-hold circuit can sink at least the minimum low sustaining current at VIL max. IBHL should be measured after lowering VIN to GND and then raising it to VIL max. (4) The bus-hold circuit can source at least the minimum high sustaining current at VIH min. IBHH should be measured after raising VIN to VCC and then lowering it to VIH min. (5) An external driver must source at least IBHLO to switch this node from low to high. (6) An external driver must sink at least IBHHO to switch this node from high to low. 5 Submit Documentation Feedback |
类似零件编号 - 74LVCH8T245PWRG4 |
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类似说明 - 74LVCH8T245PWRG4 |
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