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SN74AVCH2T45DCUT 数据表(PDF) 4 Page - Texas Instruments |
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SN74AVCH2T45DCUT 数据表(HTML) 4 Page - Texas Instruments |
4 / 23 page www.ti.com Recommended Operating Conditions (1) (2) (3) (4) (5) SN74AVCH2T45 DUAL-BIT DUAL-SUPPLY BUS TRANSCEIVER WITH CONFIGURABLE VOLTAGE TRANSLATION AND 3-STATE OUTPUTS SCES582D – JULY 2004 – REVISED AUGUST 2005 VCCI VCCO MIN MAX UNIT VCCA Supply voltage 1.2 3.6 V VCCB Supply voltage 1.2 3.6 V 1.2 V to 1.95 V VCC × 0.65 High-level VIH Data inputs(4) 1.95 V to 2.7 V 1.6 V input voltage 2.7 V to 3.6 V 2 1.2 V to 1.95 V VCCI × 0.35 Low-level VIL Data inputs(4) 1.95 V to 2.7 V 0.7 V input voltage 2.7 V to 3.6 V 0.8 1.2 V to 1.95 V VCCA × 0.65 High-level DIR VIH 1.95 V to 2.7 V 1.6 V input voltage (referenced to VCCA)(5) 2.7 V to 3.6 V 2 1.2 V to 1.95 V VCCA × 0.35 Low-level DIR VIL 1.95 V to 2.7 V 0.7 V input voltage (referenced to VCCA)(5) 2.7 V to 3.6 V 0.8 VI Input voltage 0 3.6 V Active state 0 VCCO VO Output voltage V 3-state 0 3.6 1.2 V –3 1.4 V to 1.6 V –6 IOH High-level output current 1.65 V to 1.95 V –8 mA 2.3 V to 2.7 V –9 3 V to 3.6 V –12 1.2 V 3 1.4 V to 1.6 V 6 IOL Low-level output current 1.65 V to 1.95 V 8 mA 2.3 V to 2.7 V 9 3 V to 3.6 V 12 ∆t/∆v Input transition rise or fall rate 5 ns/V TA Operating free-air temperature –40 85 °C (1) VCCI is the VCC associated with the data input port. (2) VCCO is the VCC associated with the output port. (3) All unused data inputs of the device must be held at VCCI or GND to ensure proper device operation. Refer to the TI application report, Implications of Slow or Floating CMOS Inputs, literature number SCBA004. (4) For VCCI values not specified in the data sheet, VIH min = VCCI × 0.7 V, VIL max = VCCI × 0.3 V. (5) For VCCA values not specified in the data sheet, VIH min = VCCA × 0.7 V, VIL max = VCCA × 0.3 V. 4 |
类似零件编号 - SN74AVCH2T45DCUT |
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类似说明 - SN74AVCH2T45DCUT |
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