Electrical characteristics
Table 7.
Symbol
I
VDD
I
VSS
I
IO
I
INJ(PIN)(2)
ΣI
INJ(PIN)
STM32F103x8, STM32F103xB
Current characteristics
Ratings
Total current into V
DD
/V
DDA
power lines (source)
(1)
Total current out of V
SS
ground lines (sink)
(1)
Output current sunk by any I/O and control pin
Output current source by any I/Os and control pin
Injected current on five volt tolerant pins
(3)
Injected current on any other pin
(4)
Total injected current (sum of all I/O and control pins)
(5)
Max.
150
150
25
−
25
-5/+0
±5
± 25
mA
Unit
1. All main power (V
DD
, V
DDA
) and ground (V
SS
, V
SSA
) pins must always be connected to the external power
supply, in the permitted range.
2. Negative injection disturbs the analog performance of the device. See note in
3. Positive injection is not possible on these I/Os. A negative injection is induced by V
IN
<V
SS
. I
INJ(PIN)
must
never be exceeded. Refer to
for the maximum allowed input voltage
values.
4.
A positive injection is induced by V
IN
>V
DD
while a negative injection is induced by V
IN
<V
SS
. I
INJ(PIN)
must
never be exceeded. Refer to
for the maximum allowed input voltage
values.
5. When several inputs are submitted to a current injection, the maximum
ΣI
INJ(PIN)
is the absolute sum of the
positive and negative injected currents (instantaneous values).
Table 8.
Thermal characteristics
Ratings
Storage temperature range
Maximum junction temperature
Value
–65 to +150
150
Unit
°C
°C
Symbol
T
STG
T
J
5.3
5.3.1
Operating conditions
General operating conditions
Table 9.
Symbol
f
HCLK
f
PCLK1
f
PCLK2
V
DD
General operating conditions
Parameter
Internal AHB clock frequency
Internal APB1 clock frequency
Internal APB2 clock frequency
Standard operating voltage
Analog operating voltage
(ADC not used)
Analog operating voltage
(ADC used)
Backup operating voltage
Conditions
Min
0
0
0
2
2
Must be the same potential
as V
DD(2)
2.4
1.8
Max
72
36
72
3.6
3.6
V
3.6
3.6
V
V
MHz
Unit
V
DDA(1)
V
BAT
38/102
Doc ID 13587 Rev 14
STMICROELECTRONICS [ STMICROELECTRONICS ]
