ST6280B datasheet(69/78 Pages) STMICROELECTRONICS

Teilenummer	ST6280B

Bauteilbeschribung	8-BIT OTP/EPROM MCU WITH LCD DRIVER EEPROM AND A/D CONVERTER

PDF	78 Pages

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Hersteller	STMICROELECTRONICS [STMicroelectronics]

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ST62T80B/E80B

6.2 RECOMMENDED OPERATING CONDITIONS

Notes:

1. Care must be taken in case of negative current injection, where adapted impedance must be respected on analog sources to not affect the

A/D conversion. For a -1mA injection, a maximum 10 K

Ω is recommanded.

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

Figure 34. Maximum Operating FREQUENCY (Fmax) Versus SUPPLY VOLTAGE (V

DD)

The shaded area is outside the recommended operating range; device functionality is not guaranteed under these conditions.

Symbol

Parameter

Test Conditions

Value

Unit

Min.

Typ.

Max.

Operating Temperature

6 Suffix Version

1 Suffix Version

-40

°C

VDD

Operating Supply Voltage

fOSC = 2MHz

fosc= 8MHz

3.0

4.5

6.0

fOSC

Oscillator Frequency2)

VDD = 3V

VDD = 4.5V

2.0

8.0

MHz

IINJ+

Pin Injection Current (positive)

VDD = 4.5 to 5.5V

IINJ-

Pin Injection Current (negative) VDD = 4.5 to 5.5V

-5

2.53

3.54

4.55

5.56

SUPPLY VOLTAGE (VDD)

Maximum FREQUENCY (MHz)

FUNCTIONALITY IS NOT

GUARANTEED IN

THIS AREA

1115

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