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ST72C254G2 Datasheet(PDF) 107 Page - STMicroelectronics

No. de pieza ST72C254G2
Descripción Electrónicos  8-BIT MCU WITH SINGLE VOLTAGE FLASH MEMORY, ADC, 16-BIT TIMERS, SPI, I2C INTERFACES
PDF  135 Pages
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Fabricante Electrónico  STMICROELECTRONICS [STMicroelectronics]
Página de inicio  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

ST72C254G2 Datasheet(HTML) 107 Page - STMicroelectronics

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ST72104G, ST72215G, ST72216G, ST72254G
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CLOCK CHARACTERISTICS (Cont’d)
13.5.5 Clock Security System (CSS)
Figure 68. Typical Safe Oscillator Frequencies
Note:
1. Data based on characterization results, tested in production between 90KHz and 500KHz.
2. Filtered glitch on the fOSC signal. See functional description in Section 6.5 on page 23 for more details.
Symbol
Parameter
Conditions
Min
Typ
Max
Unit
fSFOSC
Safe Oscillator Frequency 1)
TA=25°C, VDD=5.0V
250
340
430
kHz
TA=25°C, VDD=3.3V
190
260
330
fGFOSC
Glitch Filtered Frequency 2)
30
MHz
3
5.5
VDD [V]
200
250
300
350
400
fosc [kHz]
-40
°C
+25
°C
+85
°C
+125
°C



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