参数资料
型号: ST6246B
英文描述: 8-BIT MICROCONTROLLER ( MCU ) WITH OTP. ROM. FASTROM. EPROM. LCD DRIVER. EEPROM. A/D CONVERTER AND 56 PINS
中文描述: 8位微控制器(MCU)的与检察官办公室。光盘。 FASTROM。存储器。液晶显示驱动程序。 EEPROM中。的A / D转换器和56图钉
文件页数: 64/74页
文件大小: 733K
代理商: ST6246B
64/74
ST62T46B/E46B
6.4 AC ELECTRICAL CHARACTERISTICS
(T
A
= -40 to +85°C unless otherwise specified)
Notes
:
1. Period for which V
DD
has to be connected at 0V to allow internal Reset function at next power-up.
6.5 A/D CONVERTER CHARACTERISTICS
(T
A
= -40 to +85°C unless otherwise specified)
Notes
:
1. Noise at AV
DD
, AV
SS
<10mV
2. With oscillator frequencies less than 1MHz, the A/D Converter accuracy is decreased. .
Symbol
Parameter
Test Conditions
Value
Typ.
Unit
Min.
100
Max.
t
REC
Supply Recovery Time
(1)
Minimum Pulse Width (V
DD
= 5V)
RESET pin
NMI pin
ms
T
WR
100
100
ns
T
WEE
EEPROM Write Time
T
A
= 25°C
T
A
= 85°C
Q
A
L
OT
Acceptance
T
A
= 55°C
All Inputs Pins
All Outputs Pins
5
10
10
20
ms
Endurance EEPROM WRITE/ERASE Cycle
Retention
EEPROM Data Retention
C
IN
Input Capacitance
C
OUT
Output Capacitance
300,000 1 million
10
cycles
years
pF
pF
10
10
Symbol
Parameter
Test Conditions
Value
Typ.
Unit
Min.
Max.
Res
Resolution
8
Bit
A
TOT
Total Accuracy
(1)
(2)
f
OSC
> 1.2MHz
f
OSC
> 32kHz
f
OSC
= 8MHz
Conversion result when
V
IN
= V
SS
Conversion result when
V
IN
= V
DD
±
2
±
4
LSB
t
C
Conversion Time
70
μ
s
ZIR
Zero Input Reading
00
Hex
FSR
Full Scale Reading
FF
Hex
AD
I
Analog Input Current During
Conversion
Analog Input Capacitance
V
DD
= 4.5V
1.0
μ
A
AC
IN
2
5
pF
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