Datasheet

DocID026284 Rev 4 79/128
STM32F091xB STM32F091xC Electrical characteristics
99
6.3.14 I/O port characteristics
General input/output characteristics
Unless otherwise specified, the parameters given in Table 53 are derived from tests
performed under the conditions summarized in Table 24: General operating conditions. All
I/Os are designed as CMOS- and TTL-compliant.
Table 52. I/O current injection susceptibility
Symbol Description
Functional
susceptibility
Unit
Negative
injection
Positive
injection
I
INJ
Injected current on BOOT0 -0 NA
mA
Injected current on PF1 pin (FTf pin) -0 NA
Injected current on PC0 pin (TTA pin) -0 +5
Injected current on PA4, PA5 pins with induced leakage
current on adjacent pins less than -20 A
-5 NA
Injected current on other FT and FTf pins -5 NA
Injected current on all other TC, TTa and RST pins -5 +5
Table 53. I/O static characteristics
Symbol Parameter Conditions Min Typ Max Unit
V
IL
Low level input
voltage
TC and TTa I/O - - 0.3 V
DDIOx
+0.07
(1)
VFT and FTf I/O - - 0.475 V
DDIOx
–0.2
(1)
All I/Os - - 0.3 V
DDIOx
V
IH
High level input
voltage
TC and TTa I/O 0.445 V
DDIOx
+0.398
(1)
--
VFT and FTf I/O 0.5 V
DDIOx
+0.2
(1)
--
All I/Os 0.7 V
DDIOx
--
V
hys
Schmitt trigger
hysteresis
TC and TTa I/O - 200
(1)
-
mV
FT and FTf I/O - 100
(1)
-
I
lkg
Input leakage
current
(2)
TC, FT and FTf I/O
TTa in digital mode
V
SS
 V
IN
 V
DDIOx
--± 0.1
µA
TTa in digital mode
V
DDIOx
 V
IN
 V
DDA
--1
TTa in analog mode
V
SS
 V
IN
 V
DDA
--± 0.2
FT and FTf I/O
V
DDIOx
 V
IN
 5 V
--10
Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.