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SN74AVC4T774 データシート(PDF) 4 Page - Texas Instruments |
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SN74AVC4T774 データシート(HTML) 4 Page - Texas Instruments |
4 / 19 page www.ti.com PACKAGE THERMAL IMPEDANCE RECOMMENDED OPERATING CONDITIONS (1) (2) (3) SN74AVC4T774 4-BIT DUAL-SUPPLY BUS TRANSCEIVER WITH CONFIGURABLE VOLTAGE TRANSLATION AND 3-STATE OUTPUTS SCES693A – FEBRUARY 2008 – REVISED FEBRUARY 2008 UNIT PW package(1) 108 θ JA Package thermal impedance RGY package(2) 39 °C/W RSV package(1) 184 (1) The package thermal impedance is calculated in accordance with JESD 51-7. (2) The package thermal impedance is calculated in accordance with JESD 51-5. 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 VCCI × 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 DIR High-level VIH (referenced to VCCA) (5) 1.95 V to 2.7 V 1.6 V input voltage (DIRx, OE) 2.7 V to 3.6 V 2 1.2 V to 1.95 V VCCA × 0.35 DIR Low-level VIL (referenced to VCCA) (5) 1.95 V to 2.7 V 0.7 V input voltage (DIRx, OE) 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 1.1 V to 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 1.1 V to 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 Δt/Δv 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 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 Submit Documentation Feedback Copyright © 2008, Texas Instruments Incorporated Product Folder Link(s): SN74AVC4T774 |
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