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ST2149B 数据表(PDF) 4 Page - STMicroelectronics |
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ST2149B 数据表(HTML) 4 Page - STMicroelectronics |
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4 / 23 page ![]() List of figures ST2149B 4/23 Doc ID 023310 Rev 1 List of figures Figure 1. Pin connection (top through view) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 Figure 2. Logic block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 Figure 3. ST2149BQTR block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 Figure 4. Application block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 Figure 5. Test circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16 Figure 6. Waveform - propagation delay (f = 1 MHz, 50% duty cycle). . . . . . . . . . . . . . . . . . . . . . . . 17 Figure 7. Waveform - output enable and disable time (f = 1 MHz, 50% duty cycle) . . . . . . . . . . . . . 17 Figure 8. Package outline for QFN12 (1.7 x 2.0 mm) - 0.40 mm pitch. . . . . . . . . . . . . . . . . . . . . . . . 18 Figure 9. Carrier tape for QFN12 (1.7 x 2.0 mm) - 0.40 mm pitch . . . . . . . . . . . . . . . . . . . . . . . . . . . 20 Figure 10. Reel information for QFN12 (1.7 x 2.0 mm) - 0.40 mm pitch . . . . . . . . . . . . . . . . . . . . . . . 21 |
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