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74LVCH16T245DGGRE4 데이터시트(PDF) 4 Page - Texas Instruments |
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74LVCH16T245DGGRE4 데이터시트(HTML) 4 Page - Texas Instruments |
4 / 15 page www.ti.com Recommended Operating Conditions (1) (2) (3) SN74LVCH16T245 16-BIT DUAL-SUPPLY BUS TRANSCEIVER WITH CONFIGURABLE VOLTAGE TRANSLATION AND 3-STATE OUTPUTS SCES635A – JULY 2005 – REVISED AUGUST 2005 VCCI VCCO MIN MAX UNIT VCCA 1.65 5.5 Supply voltage V VCCB 1.65 5.5 1.65 V to 1.95 V VCCI × 0.65 2.3 V to 2.7 V 1.7 High-level VIH Data inputs(4) V input voltage 3 V to 3.6 V 2 4.5 V to 5.5 V VCCI × 0.7 1.65 V to 1.95 V VCCI × 0.35 2.3 V to 2.7 V 0.7 Low-level VIL Data inputs(4) V input voltage 3 V to 3.6 V 0.8 4.5 V to 5.5 V VCCI × 0.3 1.65 V to 1.95 V VCCA × 0.65 2.3 V to 2.7 V 1.7 High-level Control inputs VIH V input voltage (referenced to VCCA)(5) 3 V to 3.6 V 2 4.5 V to 5.5 V VCCA × 0.7 1.65 V to 1.95 V VCCA × 0.35 2.3 V to 2.7 V 0.7 Low-level Control inputs VIL V input voltage (referenced to VCCA)(5) 3 V to 3.6 V 0.8 4.5 V to 5.5 V VCCA × 0.3 VI Input voltage Control inputs 0 5.5 V Active state 0 VCCO VI/O Input/output voltage V 3-State 0 5.5 1.65 V to 1.95 V –4 2.3 V to 2.7 V –8 IOH High-level output current mA 3 V to 3.6 V –24 4.5 V to 5.5 V –32 1.65 V to 1.95 V 4 2.3 V to 2.7 V 8 IOL Low-level output current mA 3 V to 3.6 V 24 4.5 V to 5.5 V 32 1.65 V to 1.95 V 20 2.3 V to 2.7 V 20 Input transition ∆t/∆v Data inputs ns/V rise or fall rate 3 V to 3.6 V 10 4.5 V to 5.5 V 5 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 control inputs of the device must be held at VCCA GND to ensure proper device operation and minimize power consumption. 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 |
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