Rainbow-electronics DS1339 Uživatelský manuál stáhnout pdf (Strana 15)

DS1339

15 of 18

CRYSTAL SPECIFICATIONS*

PARAMETER SYMBOL MIN TYP MAX UNITS NOTES

Nominal Frequency F

32.768 kHz

Series Resistance ESR 45 k

Load Capacitance C

6pF

*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.

CHIP AND PACKAGE INFORMATION

TRANSISTOR COUNT: 10,950

PROCESS: CMOS

THERMAL RESISTANCE, TYP, µsop: q

+207°C/W, q

+40°C/W

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Rainbow-electronics DS1339 Uživatelský manuál Strana 15