ST6255B View Datasheet(PDF) - STMicroelectronics
Part Name
Description
MFG CO.
ST6255B
STMicroelectronics
'ST6255B' PDF : 74 Pages View PDF
ST62T55B ST62T65B/E65B
6.4 AC ELECTRICAL CHARACTERISTICS
(TA = -40 to +125°C unless otherwise specified)
Symbol
tREC
TWR
Parameter
Supply Recovery Time (1)
Minimum Pulse Width (VDD = 5V)
RESET pin
NMI pin
TWEE
EEPROM Write Time
Endurance (2) EEPROM WRITE/ERASE Cycle
Retention EEPROM Data Retention
CIN
COUT
Input Capacitance
Output Capacitance
Test Conditions
TA = 25°C
TA = 85°C
TA = 125°C
QA LOT Acceptance
TA = 55°C
All Inputs Pins
All Outputs Pins
Value
Unit
Min. Typ. Max.
100
ms
100
100
5
10
10
20
20
30
300,000 1 million
10
10
10
ns
ms
cycles
years
pF
pF
Notes:
1. Period for which VDD has to be connected at 0V to allow internal Reset function at next power-up.
2. Sampled but not tested
6.5 A/D CONVERTER CHARACTERISTICS
(TA = -40 to +125°C unless otherwise specified)
Symbol
Parameter
Test Condit ions
Res
ATOT
tC
ZIR
FSR
ADI
ACIN
Resolution
Total Accuracy (1) (2)
fOSC > 1.2MHz
fOSC > 32kHz
Conversion Time
fOSC = 8MHz, TA < 85°C
fOSC = 4MHz
Zero Input Reading
Conversion result when
VIN = VSS
Full Scale Reading
Conversion result when
VIN = VDD
Analog Input Current During
Conversion
VDD= 4.5V
Analog Input Capacitance
Min.
Value
Typ.
8
70
140
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.
63/74
63
Share Link: 