ST6246 查看數據表（PDF） - STMicroelectronics
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ST6246 Datasheet PDF : 72 Pages
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ST62T46B/E46B
6.4 AC ELECTRICAL CHARACTERISTICS
(TA = -40 to +85°C unless otherwise specified)
Symbol
Parameter
tREC
TWR
Supply Recovery Time (1)
Minimum Pulse Width (VDD = 5V)
RESET pin
NMI pin
TWEE EEPROM Write Time
Endurance EEPROM WRITE/ERASE Cycle
Retention EEPROM Data Retention
CIN
COUT
Input Capacitance
Output Capacitance
Test Conditio ns
TA = 25°C
TA = 85°C
QA LOT Acceptance
TA = 55°C
All Inputs Pins
All Outputs Pins
Min.
100
Value
Typ.
Max.
100
100
5
10
10
20
300,000 1 million
10
10
10
Notes:
1. Period for which VDD has to be connected at 0V to allow internal Reset function at next power-up.
Unit
ms
ns
ms
cycles
years
pF
pF
6.5 A/D CONVERTER CHARACTERISTICS
(TA = -40 to +85°C unless otherwise specified)
Symbol
Parameter
Test Condi tions
Res
ATOT
tC
ZIR
FSR
ADI
ACIN
Resolution
Total Accuracy (1) (2)
Conversion Time
Zero Input Reading
Full Scale Reading
Analog Input Current During
Conversion
Analog Input Capacitance
fOSC > 1.2MHz
fOSC > 32kHz
fOSC = 8MHz
Conversion result when
VIN = VSS
Conversion result when
VIN = VDD
VDD= 4.5V
Min.
Value
Typ.
8
70
00
2
Max.
±2
±4
FF
1.0
5
Unit
Bit
LSB
µs
Hex
Hex
µA
pF
Notes:
1. Noise at AVDD, AVSS <10mV
2. Wit h oscillator frequencies less than 1MHz, the A/D Converter accuracy is decreased. .
64/72
400
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