Rainbow-electronics DS1371 Uživatelský manuál stáhnout pdf (Strana 7)

DS1371

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Table 1. Crystal Specifications

PARAMETER SYMBOL

MIN TYP MAX UNITS

Nominal Frequency F

32.768 kHz

Series Resistance ESR 45 kΩ

Load Capacitance C

6 pF

*The crystal, traces, and crystal input pins should be isolated from RF generating signals. Refer to Application Note 58: Crystal Considerations

for Dallas Real-Time Clocks for additional specifications.

Figure 3. Oscillator Circuit Showing Internal Bias Network

Figure 4. Layout Example

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Rainbow-electronics DS1371 Uživatelský manuál Strana 7