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74AVCAH164245VRE4 데이터시트(PDF) 6 Page - Texas Instruments |
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74AVCAH164245VRE4 데이터시트(HTML) 6 Page - Texas Instruments |
6 / 19 page www.ti.com Electrical Characteristics (1) (2) SN74AVCAH164245 16-BIT DUAL-SUPPLY BUS TRANSCEIVER WITH CONFIGURABLE VOLTAGE TRANSLATION AND 3-STATE OUTPUTS SCES396A – JULY 2002 – REVISED JUNE 2005 over recommended operating free-air temperature range (unless otherwise noted) PARAMETER TEST CONDITIONS VCCA VCCB MIN TYP(3) MAX UNIT IOH = –100 µA, VI = VIH 1.4 V to 3.6 V 1.4 V to 3.6 V VCCO – 0.2 V IOH = –2 mA, VI = VIH 1.4 V 1.4 V 1.05 VOH IOH = –4 mA, VI = VIH 1.65 V 1.65 V 1.2 V IOH = –8 mA, VI = VIH 2.3 V 2.3 V 1.75 IOH = –12 mA, VI = VIH 3 V 3 V 2.3 IOH = 100 µA, VI = VIL 1.4 V to 3.6 V 1.4 V to 3.6 V 0.2 IOH = 2 mA, VI = VIL 1.4 V 1.4 V 0.35 VOL IOH = 4 mA, VI = VIL 1.65 V 1.65 V 0.45 V IOH = 8 mA, VI = VIL 2.3 V 2.3 V 0.55 IOH = 12 mA, VI = VIL 3 V 3 V 0.7 II Control inputs VI = VCCA or GND 1.4 V to 3.6 V 3.6 V ±2.5 µA VI = 0.49 V 1.4 V 1.4 V 11 VI = 0.57 V 1.65 V 1.65 V 30 IBHL(4) µA VI = 0.7 V 2.3 V 2.3 V 45 VI = 0.8 V 3 V 3 V 75 VI = 0.91 V 1.4 V 1.4 V –11 VI = 1.07 V 1.65 V 1.65 V –30 IBHH(5) µA VI = 1.7 V 2.3 V 2.3 V –45 VI = 2 V 3 V 3 V –75 1.6 V 1.6 V 100 1.95 V 1.95 V 200 IBHLO(6) VI = 0 to VCC µA 2.7 V 2.7 V 300 3.6 V 3.6 V 525 1.6 V 1.6 V –100 1.95 V 1.95 V –200 IBHHO(7) VI = 0 to VCC µA 2.7 V 2.7 V –300 3.6 V 3.6 V –525 A port 0 V 0 to 3.6 V ±10 Ioff VI or VO = 0 to 3.6 V µA B port 0 to 3.6 V 0 V ±10 A or B ports OE = VIH 3.6 V 3.6 V ±12.5 VO = VCCO or GND, IOZ(8) B port 0 V 3.6 V ±12.5 µA VI = VCCI or GND OE = don't care A port 3.6 V 0 V ±12.5 (1) VCCO is the VCC associated with the output port. (2) VCCI is the VCC associated with the input port. (3) All typical values are at TA = 25°C. (4) 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. (5) 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. (6) An external driver must source at least IBHLO to switch this node from low to high. (7) An external driver must sink at least IBHHO to switch this node from high to low. (8) For I/O ports, the parameter IOZ includes the input leakage current. 6 |
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