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ST72325AR7-Auto Scheda tecnica(PDF) 200 Page - STMicroelectronics |
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ST72325AR7-Auto Scheda tecnica(HTML) 200 Page - STMicroelectronics |
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200 / 243 page ![]() Obsolete Product(s) - Obsolete Product(s) Electrical characteristics ST72325xxx-Auto 200/243 Doc ID 13770 Rev 3 19.5.4 RC oscillators Figure 78. Typical fOSC(RCINT) versus TA Note: To reduce disturbance to the RC oscillator, it is recommended to place decoupling capacitors between VDD and VSS as shown in Figure 98. 19.5.5 Clock security system (CSS) Table 118. Resonator characteristics Supplier fOSC (MHz) Typical ceramic resonators(1) 1. Resonator characteristics given by the ceramic resonator manufacturer. For more information on these resonators, please consult www.murata.com. Murata 2 CSTCC2M00G56Z-R0 4 CSTCR4M00G53Z-R0 8 CSTCE8M00G52Z-R0 16 CSTCE16M0V51Z-R0 Table 119. RC oscillator characteristics Symbol Parameter Conditions Min Typ Max Unit fOSC(RCINT) Internal RC oscillator frequency (see Figure 78) TA =25°C, VDD =5V 2 3.5 5.6 MHz 3 3.2 3.4 3.6 3.8 4 -45 0 25 70 130 TA(°C) Vdd = 5V Vdd = 5.5V Table 120. CSS characteristics Symbol Parameter Conditions Min Typ Max Unit fSFOSC Safe oscillator frequency (1) 1. Data based on characterization results 3MHz |
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