ST10F272M-4Q3 STMICROELECTRONICS [STMicroelectronics], ST10F272M-4Q3 Datasheet - Page 124

• Manufacturer Part Number: ST10F272M-4Q3
• Description: 16-bit MCU with 256 Kbyte Flash memory and 20 Kbyte RAM
• Manufacturer: STMICROELECTRONICS [STMicroelectronics]

Electrical characteristics
24.2
Table 53.
1. The value of the V
2. For details on operating conditions concerning the usage of A/D Converter refer to
24.3
124/176
input section of V
µA).
Symbol
V
V
V
AREF
STBY
T
T
DD
A
J
Recommended operating conditions
Recommended operating conditions
Power considerations
The average chip-junction temperature, T
following equation:
T
Where:
T
Θ
P
P
P
Most of the time for the applications P
P
and/or memories.
An approximate relationship between P
P
Therefore (solving equations 1 and 2):
K = P
Where:
K is a constant for the particular part, which may be determined from equation (3) by
measuring P
may be obtained by solving equations (1) and (2) iteratively for any value of T
A
J
D
INT
I/O
I/O
D
JA
Operating supply voltage
Operation stand-by supply voltage
Operating analog reference voltage
Ambient temperature under bias
Junction temperature under bias
= T
is the Ambient Temperature in °C,
is the sum of P
= K / (T
STBY
is the Package Junction-to-Ambient Thermal Resistance, in °C/W,
represents the Power Dissipation on Input and Output Pins; User Determined.
may be significant if the device is configured to drive continuously external modules
STBY
is the product of I
D
A
x (T
+ (P
/EA pin can generate a spurious static consumption on V
voltage is specified in the range of 4.5 to 5.5 volts. When V
J
A
D
+ 273°C) (2)
D
+ 273°C) + Θ
x Θ
(at equilibrium) for a known T
JA
INT
) (1)
and P
DD
Parameter
and V
JA
I/O
x P
(P
DD
D
(1)
D
2
, expressed in Watt. This is the Chip Internal Power,
(2)
= P
(3)
I/O
INT
D
< P
J
and T
, in degrees Celsius, may be calculated using the
+ P
A.
INT
I/O
Using this value of K, the values of P
J
and may be neglected. On the other hand,
),
(if P
I/O
DD
STBY
is neglected) is given by:
power supply (in the range of tenth of
Section
voltage is lower than main V
24.7.
Min
-40
4.5
Value
+150
+125
Max
5.5
A
.
ST10F272M
DD
D
and T
, the
Unit
°C
V
J