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ST7LCRE4U1/XXX Scheda tecnica(PDF) 15 Page - STMicroelectronics

Il numero della parte ST7LCRE4U1/XXX
Spiegazioni elettronici  Full-speed USB MCU with smartcard interface
PDF  29 Pages
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Produttore elettronici  STMICROELECTRONICS [STMicroelectronics]
Homepage  http://www.st.com
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ST7LCRE4U1/XXX Scheda tecnica(HTML) 15 Page - STMicroelectronics

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4.4.2
External clock source
Figure 4.
Typical application with an external clock source
Table 11.
External clock source characteristics
Symbol
Parameter
Conditions
Min
Typ
Max
Unit
VOSCINH
OSCIN input pin high level voltage
see Figure 4
0.7VDD
VDD
V
VOSCINL
OSCIN input pin low level voltage
VSS
0.3VDD
tw(OSCINH)
tw(OSCINL)
OSCIN high or low time(1)
1.
Data based on design simulation and/or technology characteristics, not tested in production.
15
ns
tr(OSCIN)
tf(OSCIN)
OSCIN rise or fall time
15
IL
OSCx Input leakage current
VSS≤VIN≤VDD
±1
µA
OSCIN
OSCOUT
fOSC
EXTERNAL
ST7XXX
CLOCK SOURCE
VOSCINL
VOSCINH
tr(OSCIN)
tf(OSCIN)
tw(OSCINH)
tw(OSCINL)
IL
90%
10%



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