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SN74AVCH20T245 数据表(PDF) 5 Page - Texas Instruments |
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SN74AVCH20T245 数据表(HTML) 5 Page - Texas Instruments |
5 / 14 page SN74AVCH20T245 20BIT DUALSUPPLY BUS TRANSCEIVER WITH CONFIGURABLE VOLTAGE TRANSLATION AND 3STATE OUTPUTS SCES567F − MAY 2004 − REVISED APRIL 2005 5 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 electrical characteristics over recommended operating free-air temperature range (unless otherwise noted) (see Note 9) PARAMETER TEST CONDITIONS VCCA VCCB TA = 25°C −40 °C to 85°C UNIT PARAMETER TEST CONDITIONS VCCA VCCB MIN TYP MAX MIN MAX UNIT IOH = −100 µA 1.2 V to 3.6 V 1.2 V to 3.6 V VCCO − 0.2 V IOH = −3 mA 1.2 V 1.2 V 0.95 VOH IOH = −6 mA VI = VIH 1.4 V 1.4 V 1.05 V VOH IOH = −8 mA VI = VIH 1.65 V 1.65 V 1.2 V IOH = −9 mA 2.3 V 2.3 V 1.75 IOH = −12 mA 3 V 3 V 2.3 IOL = 100 µA 1.2 V to 3.6 V 1.2 V to 3.6 V 0.2 IOL = 3 mA 1.2 V 1.2 V 0.15 VOL IOL = 6 mA VI = VIL 1.4 V 1.4 V 0.35 V VOL IOL = 8 mA VI = VIL 1.65 V 1.65 V 0.45 V IOL = 9 mA 2.3 V 2.3 V 0.55 IOL = 12 mA 3 V 3 V 0.7 II Control inputs VI = VCCA or GND 1.2 V to 3.6 V 1.2 V to 3.6 V ±0.025 ±0.25 ±1 µA VI = 0.42 V 1.2 V 1.2 V 25 VI = 0.49 V 1.4 V 1.4 V 15 IBHL† VI = 0.58 V 1.65 V 1.65 V 25 µA IBHL† VI = 0.7 V 2.3 V 2.3 V 45 µA VI = 0.8 V 3.3 V 3.3 V 100 VI = 0.78 V 1.2 V 1.2 V −25 VI = 0.91 V 1.4 V 1.4 V −15 IBHH‡ VI = 1.07 V 1.65 V 1.65 V −25 µA IBHH‡ VI = 1.6 V 2.3 V 2.3 V −45 µA VI = 2 V 3.3 V 3.3 V −100 1.2 V 1.2 V 50 1.6 V 1.6 V 125 IBHLO§ VI = 0 to VCC 1.95 V 1.95 V 200 µA IBHLO§ VI = 0 to VCC 2.7 V 2.7 V 300 µA 3.6 V 3.6 V 500 1.2 V 1.2 V −50 1.6 V 1.6 V −125 IBHHO¶ VI = 0 to VCC 1.95 V 1.95 V −200 µA IBHHO¶ VI = 0 to VCC 2.7 V 2.7 V −300 µA 3.6 V 3.6 V −500 † 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. ‡ 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. § An external driver must source at least IBHLO to switch this node from low to high. ¶ An external driver must sink at least IBHHO to switch this node from high to low. NOTE 9: VCCO is the VCC associated with the output port. |
类似零件编号 - SN74AVCH20T245 |
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类似说明 - SN74AVCH20T245 |
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