ST72C334J4TAE STMicroelectronics, ST72C334J4TAE Datasheet - Page 122

• Manufacturer Part Number: ST72C334J4TAE
• Description: 8-bit MCU for automotive with single voltage Flash/ROM memory, ADC, 16-bit timers, SPI, SCI interfaces
• Manufacturer: STMicroelectronics

ST72334xx-Auto, ST72314xx-Auto, ST72124Jx-Auto
CLOCK CHARACTERISTICS (Cont’d)
15.5.5 Clock Security System (CSS)
Figure 72. Typical Safe Oscillator Frequencies
Note:
1. Data based on characterization results, tested in production between 90kHz and 600kHz.
2. Filtered glitch on the f
122/150
f
f
SFOSC
GFOSC
Symbol
fosc [kHz]
400
350
300
250
200
3.2
Safe Oscillator Frequency
Glitch Filtered Frequency
-40°C
+25°C
OSC
Parameter
VDD [V]
signal. See functional description in
+85°C
+125°C
2)
1)
5.5
T
T
A
A
=25°C, V
=25°C, V
Conditions
DD
DD
Section 8.4 on page 32
=5.0V
=3.4V
Min
250
190
for more details.
Typ
340
260
30
Max
550
450
MHz
Unit
kHz