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ST72E121 Datasheet(PDF) 82 Page - STMicroelectronics

Part # ST72E121
Description  8-BIT MCU WITH 8 TO 16K OTP/EPROM, 384 TO 512 BYTES RAM, WDG, SCI, SPI AND 2 TIMERS
PDF  92 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

ST72E121 Datasheet(HTML) 82 Page - STMicroelectronics

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ST72E121 ST72T121
6.2 RECOMMENDED OPERATING CONDITIONS
Note
1) A safe reset (with Low Voltage Detector option) is not guaranteed at 16 MHz.
2) A/D operation and Oscillator start-up are not guaranteed below 1MHz.
Figure 41. Maximum Operating Frequency (fOSC) Versus Supply Voltage (VDD)
Symbol
Parameter
Test Conditi ons
Value
Unit
Min.
Typ.
Max.
TA
Operating Temperature
1 Suffix Version
0
70
°C
6 Suffix Version
-40
85
°C
3 Suffix Version
-40
125
°C
VDD
Operating Supply Voltage
fOSC = 16 MHz (1 & 6 Suffix)
fOSC = 8 MHz
3.51)
3.0
5.5
5.5
V
fOSC
Oscillator Frequency
VDD = 3.0V
VDD = 3.5V (1 & 6 Suffix)
02)
02)
8
16
MHz
fOSC
[MHz]
Supplly Voltage
[V]
16
8
4
1
0
2.5
3
3.5
4
4.5
5
5.5
6
FUNCTIONALITY NOT GUARANTEED IN THIS AREA
FUNCTIONALITY NOT GUARANTEED IN THIS AREA WITH RESONATOR
FUNCTIONALITY GUARANTEED IN THIS AREA
FUNCTIONALITY NOT GUARANTEED IN THIS AREA
FOR TEMPERATURE HIGHER THAN 85
°C
82



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