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ST72324B Datasheet(PDF) 149 Page - STMicroelectronics

Part # ST72324B
Description  5V RANGE 8-BIT MCU WITH 8 TO 32K FLASH/ROM, 10-BIT ADC, 4 TIMERS, SPI, SCI INTERFACE
PDF  167 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

ST72324B Datasheet(HTML) 149 Page - STMicroelectronics

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13.2 THERMAL CHARACTERISTICS
Notes:
1. The maximum chip-junction temperature is based on technology characteristics.
2. The maximum power dissipation is obtained from the formula PD = (TJ -TA) / RthJA.
The power dissipation of an application can be defined by the user with the formula: PD=PINT+PPORT
where PINT is the chip internal power (IDD x VDD) and PPORT is the port power dissipation depending on
the ports used in the application.
Symbol
Ratings
Value
Unit
RthJA
Package thermal resistance (junction to ambient)
TQFP44 10x10
TQFP32 7x7
SDIP42 600mil
SDIP32 200mil
52
70
55
50
°C/W
PD
Power dissipation 1)
500
mW
TJmax
Maximum junction temperature 2)
150
°C
1



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