STM8AF6268 STMicroelectronics, STM8AF6268 Datasheet - Page 79
STM8AF6268
Manufacturer Part Number
STM8AF6268
Description
STM8AF62 Standard Line
Manufacturer
STMicroelectronics
Datasheet
1.STM8AF6168.pdf
(91 pages)
Specifications of STM8AF6268
Max Fcpu
16 MHz
Flash Program Memory
16 to 32 Kbytes Flash; data retention 20 years at 55 °C after 1 kcycle
Data Memory
0.5 to 1 Kbyte true data EEPROM; endurance 300 kcycles
Ram
1 to 2 Kbytes
Advanced Control Timer
16-bit, 4 CAPCOM channels, 3 complementary outputs, dead-time insertion and flexible synchronization
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STM8AF61xx, STM8AF62xx
10.4.2
Selecting the product temperature range
When ordering the microcontroller, the temperature range is specified in the order code (see
Section 12: Ordering information
The following example shows how to calculate the temperature range needed for a given
application.
Assuming the following application conditions:
Using the values obtained in
calculated as follows:
This is within the range of the suffix B version parts (-40 < T
Parts must be ordered at least with the temperature range suffix B.
Maximum ambient temperature T
I
level with I
This gives: P
Thus: P
For LQFP64 46 °C/W
DDmax
P
P
P
T
Jmax
INTmax
IOmax
Dmax
= 14 mA, V
Dmax
OL
= 82 °C + (46 °C/W x 134 mW) = 82 °C + 6 °C = 88 °C
= 70 mW + 64 mW
= 20 x 8 mA x 0.4 V = 64 mW
INTmax
= 134 mW.
= 14 mA x 5 V= 70 mW
= 8 mA, V
DD
= 70 mW and P
= 5 V, maximum 20 I/Os used at the same time in output at low
OL
Table 48: Thermal characteristics on page 78
Doc ID 14952 Rev 5
= 0.4 V
).
Amax
IOmax
= 82 °C (measured according to JESD51-2),
64 mW:
J
< 105 °C).
Electrical characteristics
T
Jmax
is
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