ST6242BQ1 查看數據表（PDF） - STMicroelectronics

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ST6242BQ1

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

STMicroelectronics 

ST62T42B/E42B

7.2 RECOMMENDED OPERATING CONDITIONS

Symbol

Parameter

Test Condition s

Min.

Value

Typ.

Max.

Unit

TA Operating Temperature

6 Suffix Version

1 Suffix Version

-40

0

VDD Operating Supply Voltage

fOSC = 4MHz

fosc= 8MHz

3.0

4.5

85

70

°C

6.0

6.0

V

fOSC Oscillator Frequency2)

VDD = 3V

VDD = 4.5V

0

0

IINJ+ Pin Injection Current (positive) VDD = 4.5 to 5.5V

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

4.0

8.0

MHz

+5

mA

-5

mA

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 KΩ is recommanded.

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

Figure 29. Maximum Operating FREQUENCY (Fmax) Versus SUPPLY VOLTAGE (VDD)

Maximum FREQU ENCY (MHz)

8

FUNCT IONALITY IS NOT

GUARANTEE D IN

7

THIS AREA

6

5

4

3

2

1

2.5

3

3.5

4

4.5

5

5.5

6

SUPPLY VOLTAGE (VDD)

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

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