ST6225CB3/CCC 查看數據表（PDF） - STMicroelectronics

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ST6225CB3/CCC

8-BIT MCUs WITH A/D CONVERTER,TWO TIMERS, OSCILLATOR SAFEGUARD & SAFE RESET

STMicroelectronics 

ST6215C/ST6225C

11.3 OPERATING CONDITIONS

11.3.1 General Operating Conditions

Symbol

VDD

Parameter

Supply voltage

fOSC

Oscillator frequency

VDD

Operating Supply Voltage

TA

Ambient temperature range

Conditions

see Figure 38

VDD=3.0V, 1 & 6 Suffix

VDD=3.0V, 3 Suffix

VDD=3.6V, 1 & 6Suffix

VDD=3.6V, 3 Suffix

fOSC=4MHz, 1 & 6 Suffix

fOSC=4MHz, 3 Suffix

fOSC=8MHz, 1 & 6 Suffix

fOSC=8MHz, 3 Suffix

1 Suffix Version

6 Suffix Version

3 Suffix Version

Min

Max Unit

3.0

6

V

0 1)

4

0 1)

4

0 1)

MHz

8

0 1)

4

3.0

6.0

3.0

6.0

V

3.6

6.0

4.5

6.0

0

70

-40

85

°C

-40

125

Notes:

1. An oscillator frequency above 1.2MHz is recommended for reliable A/D results.

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

Figure 38. fOSC Maximum Operating Frequency Versus VDD Supply Voltage for OTP & ROM devices

fOSC [MHz]

8

7

6

5

4

1 & 6 suffix version

3 suffix version

3

fOSG

2

fOSG Min

3

1

2

1

SUPPLY

2.5

3

3.6

4

4.5

5

5.5

6 VOLTAGE (VDD)

1. In this area, operation is guaranteed at the quartz crystal frequency.

2. When the OSG is disabled, operation in this area is guaranteed at the crystal frequency. When the

OSG is enabled, operation in this area is guaranteed at a frequency of at least fOSG Min.

3. When the OSG is disabled, operation in this area is guaranteed at the quartz crystal frequency. When

the OSG is enabled, access to this area is prevented. The internal frequency is kept at fOSG.

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