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ST6246 Scheda tecnica(PDF) 64 Page - STMicroelectronics

Il numero della parte ST6246
Spiegazioni elettronici  8-BIT OTP/EPROM MCU WITH LCD DRIVER, EEPROM AND A/D CONVERTER
PDF  72 Pages
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Produttore elettronici  STMICROELECTRONICS [STMicroelectronics]
Homepage  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

ST6246 Scheda tecnica(HTML) 64 Page - STMicroelectronics

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ST62T46B/E46B
6.4 AC ELECTRICAL CHARACTERISTICS
(TA = -40 to +85°C unless otherwise specified)
Notes:
1. Period for which VDD has to be connected at 0V to allow internal Reset function at next power-up.
6.5 A/D CONVERTER CHARACTERISTICS
(TA = -40 to +85°C unless otherwise specified)
Notes:
1. Noise at AVDD,AVSS <10mV
2. Wit h oscillator frequencies less than 1MHz, the A/D Converter accuracy is decreased. .
Symbol
Parameter
Test Conditio ns
Value
Unit
Min.
Typ.
Max.
tREC
Supply Recovery Time (1)
100
ms
TWR
Minimum Pulse Width (VDD =5V)
RESET pin
NMI pin
100
100
ns
TWEE
EEPROM Write Time
T
A =25°C
T
A =85°C
5
10
10
20
ms
Endurance EEPROM WRITE/ERASE Cycle
Q
A LOT Acceptance
300,000 1 million
cycles
Retention
EEPROM Data Retention
TA =55°C
10
years
CIN
Input Capacitance
All Inputs Pins
10
pF
COUT
Output Capacitance
All Outputs Pins
10
pF
Symbol
Parameter
Test Condi tions
Value
Unit
Min.
Typ.
Max.
Res
Resolution
8
Bit
ATOT
Total Accuracy (1) (2)
fOSC > 1.2MHz
fOSC > 32kHz
±2
±4
LSB
tC
Conversion Time
fOSC =8MHz
70
µs
ZIR
Zero Input Reading
Conversion result when
VIN =VSS
00
Hex
FSR
Full Scale Reading
Conversion result when
VIN =VDD
FF
Hex
ADI
Analog Input Current During
Conversion
VDD= 4.5V
1.0
µA
ACIN
Analog Input Capacitance
2
5
pF
400



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