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ST7MC1K2-Auto 数据表(PDF) 321 Page - STMicroelectronics

部件名 ST7MC1K2-Auto
功能描述  Clock, reset and supply management
PDF  371 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

ST7MC1K2-Auto 数据表(HTML) 321 Page - STMicroelectronics

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Obsolete
Product(s)
- Obsolete
Product(s)
ST7MC1K2-Auto, ST7MC1K6-Auto, ST7MC2S4-Auto, ST7MC2S6-Auto
Electrical characteristics
321/371
12.5.2
External clock source
Figure 136. Typical application with an external clock source
12.5.3
Crystal and ceramic resonator oscillators
The ST7 internal clock can be supplied with four different Crystal/Ceramic resonator
oscillators. All the information given in this paragraph are based on characterization results
with specified typical external components. In the application, the resonator and the load
capacitors have to be placed as close as possible to the oscillator pins in order to minimize
output distortion and start-up stabilization time. Refer to the crystal/ceramic resonator
manufacturer for more details (frequency, package, accuracy...).
Table 198.
External clock source
Symbol
Parameter
Conditions
Min
Typ
Max
Unit
VOSC1H OSC1 input pin high level voltage
See Figure 136
0.7 x VDD
VDD
V
VOSC1L OSC1 input pin low level voltage
VSS
0.3 x VDD
tw(OSC1H)
tw(OSC1L)
OSC1 high or low time(1)
1.
Data based on design simulation and/or technology characteristics, not tested in production.
25
ns
tr(OSC1)
tf(OSC1)
OSC1 rise or fall time(1)
5
IL
OSCx Input leakage current
VSS < VIN < VDD
± 1
µA
OSC1
OSC2
fOSC
External
clock source
VOSC1L
VOSC1H
tr(OSC1)
tf(OSC1)
tw(OSC1H)
tw(OSC1L)
IL
90%
10%
VDD
ST7FMC1K2-Auto
ST7FMC1K6-Auto
ST7FMC2S4-Auto
ST7FMC2S6-Auto
Obsolete
Product(s)
- Obsolete
Product(s)



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