ST6246 STMICROELECTRONICS [STMicroelectronics], ST6246 Datasheet - Page 62
ST6246
Manufacturer Part Number
ST6246
Description
8-BIT OTP/EPROM MCU WITH LCD DRIVER, EEPROM AND A/D CONVERTER
Manufacturer
STMICROELECTRONICS [STMicroelectronics]
Datasheet
1.ST6246.pdf
(72 pages)
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ST62T46B/E46B
6.2 RECOMMENDED OPERATING CONDITIONS
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
2. An oscillator frequency above 1MHz is recommended for reliable A/D results.
Figure 33. Maximum Operating FREQUENCY (Fmax) Versus SUPPLY VOLTAGE (V
The shaded area is outside the recommended operating range; device functionality is not guaranteed under these conditions.
62/72
398
Symbol
A/D conversion. For a -1mA injection, a maximum 10 K is recommanded.
f
I
V
OSC
INJ+
I
T
INJ-
DD
A
Operating Temperature
Operating Supply Voltage
Oscillator Frequency
Pin Injection Current (positive)
Pin Injection Current (negative) V
8
7
6
5
4
3
2
1
2.5
Maximum FREQU ENCY (MHz)
Parameter
FUNCTIONALITY IS NOT
GUARANTEED IN
THIS AREA
3
2)
SUPPLY VOLTAGE (V
3.5
6 Suffix Version
1 Suffix Version
f
fosc= 8MHz
V
V
V
OSC
DD
DD
DD
DD
Test Condition s
= 4.5 to 5.5V
= 4.5 to 5.5V
= 3V
= 4.5V
= 4MHz
4
4.5
DD
)
5
Min.
-40
3.0
4.5
0
0
0
5.5
Value
Typ.
6
Max.
6.0
6.0
4.0
8.0
85
70
+5
-5
DD
)
Unit
MHz
mA
mA
V
C
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