ST10F272B_12 STMICROELECTRONICS [STMicroelectronics], ST10F272B_12 Datasheet - Page 133

• Manufacturer Part Number: ST10F272B_12
• Description: 16-bit MCU with 256 Kbyte Flash memory and 12/20 Kbyte RAM
• Manufacturer: STMICROELECTRONICS [STMicroelectronics]

ST10F272B/ST10F272E
24.4
Table 62.
Based on thermal characteristics of the package and with reference to the power
consumption figures provided in next tables and diagrams, the following product
classification can be proposed. Anyhow, the exact power consumption of the device inside
the application must be computed according to different working conditions, thermal profiles,
real thermal resistance of the system (including printed circuit board or other substrata), I/O
activity, and so on.
Table 63.
Parameter interpretation
The parameters listed in the following tables represent the characteristics of the ST10F272
and its demands on the system.
Where the ST10F272 logic provides signals with their respective timing characteristics, the
symbol “CC” for Controller Characteristics, is included in the “Symbol” column. Where the
external system must provide signals with their respective timing characteristics to the
ST10F272, the symbol “SR” for System Requirement, is included in the “Symbol” column.
Symbol
Θ
JA
PQFP 144
LQFP 144
Package
Thermal characteristics
Package characteristics
Thermal Resistance Junction-Ambient
PQFP 144 - 28 x 28 x 3.4 mm / 0.65 mm pitch
LQFP 144 - 20 x 20 mm / 0.5 mm pitch
LQFP 144 - 20 x 20 mm / 0.5 mm pitch on four layer
FR4 board (2 layers signals / 2 layers power)
Ambient temperature range
Doc ID 11917 Rev 3
Description
–40 / +125
–40 / +125
°
°
C
C
Value (typical)
Electrical characteristics
CPU frequency range
30
40
35
1 – 64MHz
1 – 40MHz
°C/W
Unit
133/188