CD00001237 datasheet(65/105 Pages) STMICROELECTRONICS

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ST6215C ST6225C

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11.3 OPERATING CONDITIONS

11.3.1 General Operating Conditions

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

Symbol

Parameter

Conditions

Min

Max

Unit

VDD

Supply voltage

see Figure 38

3.0

fOSC

Oscillator frequency

VDD=3.0V, 1 & 6 Suffix

0 1)

MHz

VDD=3.0V, 3 Suffix

0 1)

VDD=3.6V, 1 & 6Suffix

0 1)

VDD=3.6V, 3 Suffix

0 1)

VDD

Operating Supply Voltage

fOSC=4MHz, 1 & 6 Suffix

3.0

6.0

fOSC=4MHz, 3 Suffix

3.0

6.0

fOSC=8MHz, 1 & 6 Suffix

3.6

6.0

fOSC=8MHz, 3 Suffix

4.5

6.0

Ambient temperature range

1 Suffix Version

°C

6 Suffix Version

-40

3 Suffix Version

-40

125

2.5

3.6

4.5

5.5

SUPPLY

fOSG

fOSG Min

fOSC [MHz]

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

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

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

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

1 & 6 suffix version

3 suffix version

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