ST72334J2TASLASHXXX datasheet(111/150 Pages) STMICROELECTRONICS

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15.3 OPERATING CONDITIONS

15.3.1 General Operating Conditions

Figure 54. fOSC Maximum Operating Frequency Versus VDD Supply Voltage for ROM devices

Figure 55. fOSC Maximum Operating Frequency Versus VDD Supply Voltage for Flash devices

Notes:

1. Guaranteed by construction. A/D operation and resonator oscillator start-up are not guaranteed below 1MHz.

2. Operating conditions with TA=-40 to +125°C.

3. Flash programming tested in production at maximum TA with two different conditions: VDD=5.5V, fCPU=6MHz and

VDD=3.2V, fCPU=4MHz.

Symbol

Parameter

Conditions

Min

Max

Unit

VDD

Supply voltage

see Figure 54 and Figure 55

3.2

5.5

fOSC

External clock frequency

VDD≥3.5V for ROM devices

VDD≥4.5V for Flash devices

0 1)

MHz

VDD≥3.2V

0 1)

Ambient temperature range

Suffix A version

-40

+85

°C

Suffix B version

+105

Suffix C version

+125

fOSC [MHz]

SUPPLY VOLTAGE [V]

2.5

3.2

3.5

4.5

5.5

FUNCTIONALITY

GUARANTEED

IN THIS AREA

NOT GUARANTEED

IN THIS AREA

NOT GUARANTEED

IN THIS AREA

WITH RESONATOR 1)

3.85

NOT GUARANTEED

IN THIS AREA AT TA > 85°C

FUNCTIONALITY

NOT GUARANTEED

IN THIS AREA AT TA > 85°C

fOSC [MHz]

SUPPLY VOLTAGE [V]

2.5

3.2

3.5

4.5

5.5

FUNCTIONALITY

GUARANTEED

IN THIS AREA 3)

NOT GUARANTEED

IN THIS AREA

NOT GUARANTEED

IN THIS AREA

WITH RESONATOR 1)

3.85

FUNCTIONALITY

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