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TC7107A датащи(PDF) 7 Page - Microchip Technology |
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TC7107A датащи(HTML) 7 Page - Microchip Technology |
7 / 34 page © 2008 Microchip Technology Inc. DS21455D-page 7 TC7106/A/TC7107/A 36 (5) VREF+ The analog input required to generate a full scale output (1999 counts). Place 100 mV between Pins 35 and 36 for 199.9 mV full scale. Place 1V between Pins 35 and 36 for 2V full scale. See paragraph on Reference Voltage. 37 (4) TEST Lamp test. When pulled HIGH (to V+) all segments will be turned on and the display should read -1888. It may also be used as a negative supply for externally generated decimal points. See paragraph under TEST for additional information. 38 (3) OSC3 See Pin 40. 39 (2) OSC2 See Pin 40. 40 (1) OSC1 Pins 40, 39, 38 make up the oscillator section. For a 48 kHz clock (3 readings per section), connect Pin 40 to the junction of a 100 k Ω resistor and a 100 pF capacitor. The 100 k Ω resistor is tied to Pin 39 and the 100 pF capacitor is tied to Pin 38. TABLE 2-1: PIN FUNCTION TABLE (CONTINUED) Pin Number (40-Pin PDIP) Normal Pin No. (40-Pin PDIP) (Reversed Symbol Description |
Аналогичный номер детали - TC7107A |
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Аналогичное описание - TC7107A |
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