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STR91XFAX42 Datasheet(PDF) 65 Page - STMicroelectronics

No. de pieza STR91XFAX42
Descripción Electrónicos  ARM966E-S??16/32-Bit Flash MCU with Ethernet, USB, CAN, AC motor control, 4 timers, ADC, RTC, DMA
PDF  99 Pages
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Fabricante Electrónico  STMICROELECTRONICS [STMicroelectronics]
Página de inicio  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

STR91XFAX42 Datasheet(HTML) 65 Page - STMicroelectronics

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Electrical characteristics
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7.7.1
Main oscillator electrical characteristics
VDDQ = 2.7 - 3.6V, VDD = 1.65 - 2V, TA = -40 / 85 °C unless otherwise specified.
7.7.2
X1_CPU external clock source
Subject to general operating conditions for VDD and TA.
Figure 16.
Typical application with an external clock source
Table 18.
Main oscillator electrical characteristics
Symbol
Parameter
Test Conditions
Value
Unit
Min
Typ
Max
tSTUP(OSC) Oscillator Start-up Time
VDD stable
(1)
1.
Data characterized with quartz crystal, not tested in production.
23
mS
Table 19.
External clock characteristics
Symbol
Parameter
Test
Conditions(1)
1.
Data based on typical appilcation software.
Value
Unit
Min
Typ
Max
fX1
External clock source
frequency
See Figure 16
425
MHz
VX1H
X1 input pin high level
voltage
0.7xVDD
VDD
V
VX1L
X1 input pin low level
voltage
VSS
0.3xVDD
V
tw(X1H)
tw(X1L)
X1 high or low time(2)
2.
Data based on design simulation and/or technology characteristics, not tested in production.
6ns
tr(X1)
tf(X1)
X1 rise or fall time(2)
20
ns
IL
X1 input leakage current
VSS≤VIN≤VDD
±1
µA
CIN(X1)
X1 input capacitance(2)
5pF
DuCy(X1) Duty cycle
45
55
%
X1_CPU
X2_CPU
fOSC
EXTERNAL
STR91xF
CLOCK SOURCE
VX1L
VX1H
tr(T1)
tf(X1)
tw(X1H)
tw(X1L)
IL
90%
10%
TX1
hi-Z



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