STM32L151RBH6TR STMicroelectronics, STM32L151RBH6TR Datasheet - Page 82

• Manufacturer Part Number: STM32L151RBH6TR
• Description: ARM Microcontrollers - MCU 32-Bit ARM Cortex 128kb Low Power MCU
• Manufacturer: STMicroelectronics

Specifications of STM32L151RBH6TR

• Product Category: ARM Microcontrollers - MCU
• Rohs: yes
• Core: ARM Cortex M3
• Data Bus Width: 32 bit

Electrical characteristics
6.3.13
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Figure 18. I/O AC characteristics definition
NRST pin characteristics
The NRST pin input driver uses CMOS technology.
Unless otherwise specified, the parameters given in
performed under ambient temperature and V
Table
Table 45.
1. Guaranteed by design, not tested in production.
2. 200 mV minimum value
3. The pull-up is designed with a true resistance in series with a switchable PMOS. This PMOS contribution to
V
V
V
V
V
V
hys(NRST)
OL(NRST)
NF(NRST)
IH(NRST)
IL(NRST)
Symbol
F(NRST)
the series resistance is around 10%.
R
14.
PU
(1)
(1)
(1)
(1)
(1)
(1)
NRST pin characteristics
NRST input low level voltage
NRST input high level voltage
NRST output low level
voltage
NRST Schmitt trigger voltage
hysteresis
Weak pull-up equivalent
resistor
NRST input filtered pulse
NRST input not filtered pulse
Maximum frequency is achieved if (t
External
on 50pF
Output
(3)
Parameter
t r( I O)out
Doc ID 17659 Rev 8
10%
50%
when loaded by 50 pF
90%
r
1.65 V < V
2.7 V < V
+ t
DD
f
) ≤ 2/3)T and if the duty cycle is (45-55%)
I
Conditions
OL
I
OL
V
supply voltage conditions summarized in
IN
= 1.5 mA
T
= 2 mA
10%
=
DD
STM32L151x6/8/B, STM32L152x6/8/B
DD
Table 45
V
SS
50%
< 3.6 V
< 2.7 V
90%
t f(I O)out
are derived from tests
10%V
Min
V
350
1.4
30
SS
DD
(2)
Typ Max Unit
45
ai14131b
V
0.8
0.4
60
50
DD
mV
kΩ
ns
ns
V