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U74AVC4T245L-QAE-R Datasheet(PDF) 3 Page - Unisonic Technologies |
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U74AVC4T245L-QAE-R Datasheet(HTML) 3 Page - Unisonic Technologies |
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3 / 16 page ![]() U74AVC4T245 CMOS IC UNISONICTECHNOLOGIESCO.,LTD 3 of 16 www.unisonic.com.tw QW-R126-075.D PIN CONFIGURATION PIN DESCRIPTION PIN NO. PIN NAME TYPE DESCRIPTION SOP-16 TSSOP-16 X1QFN-16(1.8×2.6) 1 3 VCCA A-port power supply voltage. 1.2V ≤ VCCA ≤ 3.6V 2 4 1DIR I Direction-control input for ‘1’ ports 3 5 2DIR I Direction-control input for ‘2’ ports 4 6 1A1 I/O Input/output 1A1. Referenced to VCCA 5 7 1A2 I/O Input/output 1A2. Referenced to VCCA 6 8 2A1 I/O Input/output 2A1. Referenced to VCCA 7 9 2A2 I/O Input/output 2A2. Referenced to VCCA 8, 9 10, 11 GND Ground 10 12 2B2 I/O Input/output 2B2. Referenced to VCCB 11 13 2B1 I/O Input/output 2B1. Referenced to VCCB 12 14 1B2 I/O Input/output 1B2. Referenced to VCCB 13 15 1B1 I/O Input/output 1B1. Referenced to VCCB 14 16 2 OE I 3-state output-mode enables. Pull OE high to place ‘2’ outputs in 3-state mode. Referenced to VCCA 15 1 1 OE I 3-state output-mode enables. Pull OE high to place ‘1’ outputs in 3-state mode. Referenced to VCCA 16 2 VCCB B-port power supply voltage. 1.2V ≤ VCCB ≤ 3.6V |
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