ST72321AR9TC View Datasheet(PDF) - STMicroelectronics

Part Name

Description

Manufacturer

ST72321AR9TC

8-BIT MCU WITH NESTED INTERRUPTS, FLASH, 10-BIT ADC, FIVE TIMERS, SPI, SCI, I2C INTERFACE

STMicroelectronics 

ST72321

13.2 THERMAL CHARACTERISTICS

Symbol

RthJA

Ratings

Package thermal resistance (junction to ambient)

TQFP64 14x14

TQFP64 10x10

TQFP44 10x10

PD

TJmax

Power dissipation 1)

Maximum junction temperature 2)

Value

47

50

52

500

150

Unit

°C/W

mW

°C

Notes:

1. The power dissipation is obtained from the formula PD=PINT+PPORT where PINT is the chip internal power (IDDxVDD)

and PPORT is the port power dissipation determined by the user.

2. The average chip-junction temperature can be obtained from the formula TJ = TA + PD x RthJA.

170/185

Share Link: