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SN74AVC1T45DCKT Datasheet(PDF) 9 Page - Texas Instruments |
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SN74AVC1T45DCKT Datasheet(HTML) 9 Page - Texas Instruments |
9 / 24 page www.ti.com Power-Up Considerations SN74AVC1T45 SINGLE-BIT DUAL-SUPPLY BUS TRANSCEIVER WITH CONFIGURABLE VOLTAGE TRANSLATION AND 3-STATE OUTPUTS SCES530G – DECEMBER 2003 – REVISED JANUARY 2008 A proper power-up sequence always should be followed to avoid excessive supply current, bus contention, oscillations, or other anomalies. To guard against such power-up problems, take the following precautions: 1. Connect ground before any supply voltage is applied. 2. Power up VCCA. 3. VCCB can be ramped up along with or after VCCA. Table 1. Typical Total Static Power Consumption (ICCA + ICCB) VCCA VCCB UNIT 0 V 1.2 V 1.5 V 1.8 V 2.5 V 3.3 V 0 V 0 <0.5 <0.5 <0.5 <0.5 <0.5 1.2 V <0.5 <1 <1 <1 <1 1 1.5 V <0.5 <1 <1 <1 <1 1 µA 1.8 V <0.5 <1 <1 <1 <1 <1 2.5 V <0.5 1 <1 <1 <1 <1 3.3 V <0.5 1 <1 <1 <1 <1 Copyright © 2003–2008, Texas Instruments Incorporated Submit Documentation Feedback 9 Product Folder Link(s): SN74AVC1T45 |
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