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TLC5955 Datasheet(PDF) 7 Page - Texas Instruments |
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TLC5955 Datasheet(HTML) 7 Page - Texas Instruments |
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7 / 53 page  TLC5955 www.ti.com SBVS237 – MARCH 2014 6.3 Recommended Operating Conditions PARAMETER TEST CONDITIONS MIN NOM MAX UNIT DC CHARACTERISTICS VCC Supply voltage 3.0 5.5 V VO Voltage applied to output OUTX0 to OUTX15(1) 10 V VIH High-level input voltage SIN, SCLK, LAT, GSCLK 0.7 × VCC VCC V VIL Low-level input voltage SIN, SCLK, LAT, GSCLK GND 0.3 × VCC V IOH High-level output current SOUT –2 mA IOL Low-level output current SOUT 2 mA OUTX0 to OUTX15(1), 3 V ≤ VCC ≤ 3.6 V 23.9 mA IOLC Constant output sink current OUTX0 to OUTX15(1), 3.6 V < VCC ≤ 5.5 V 31.9 mA Operating free-air temperature TA –40 +85 °C range Operating junction temperature TJ –40 +125 °C range AC CHARACTERISTICS fCLK (SCLK) Data shift clock frequency SCLK 25 MHz fCLK (GSCLK) Grayscale control clock frequency GSCLK 33 MHz tWH0 SCLK 10 ns tWL0 SCLK 10 ns tWH1 Pulse duration GSCLK 10 ns tWL1 GSCLK 10 ns tWH2 LAT 30 ns tSU0 SIN to SCLK ↑ 5 ns LAT ↓ to SCLK↑ (auto data refresh is tSU1 30 ns disabled(2)) Setup time LAT ↑ for GS data written to GSCLK↑ when tSU2 50 ns display time reset mode is disabled LAT ↑ for GS data written to GSCLK↑ when tSU3 70 ns display time reset mode is enabled tH0 SCLK ↑ to SIN 2 ns Hold time tH1 SCLK ↑ to LAT↑ 5 ns (1) X = R, G, or B. (2) When auto data refresh is enabled, the first SCLK rising edge after the LAT signal input must be input after the first GSCLK is input. 6.4 Thermal Information DCA (HTSSOP) RTQ (QFN) THERMAL METRIC(1) UNIT 56 TERMINALS 56 TERMINALS θJA Junction-to-ambient thermal resistance 32.2 27.9 θJCtop Junction-to-case (top) thermal resistance 16.8 14.9 θJB Junction-to-board thermal resistance 16.1 6.5 °C/W ψJT Junction-to-top characterization parameter 0.8 0.3 ψJB Junction-to-board characterization parameter 16.0 6.4 θJCbot Junction-to-case (bottom) thermal resistance 0.9 2.0 (1) For more information about traditional and new thermal metrics, see the IC Package Thermal Metrics application report, SPRA953. Copyright © 2014, Texas Instruments Incorporated Submit Documentation Feedback 7 Product Folder Links: TLC5955 |
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