ST72F63 STMICROELECTRONICS [STMicroelectronics], ST72F63 Datasheet - Page 102

• Manufacturer Part Number: ST72F63
• Manufacturer: STMICROELECTRONICS [STMicroelectronics]

ST7263B
CLOCK AND TIMING CHARACTERISTICS (Cont’d)
13.5.3 External Clock Source
Figure 50. Typical Application with an External Clock Source
Notes:
1. Data based on design simulation and/or technology characteristics, not tested in production.
Figure 51. Typical Application with a Crystal Resonator
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t
t
w(OSCINH)
V
w(OSCINL)
Symbol
V
t
t
r(OSCIN)
f(OSCIN)
OSCINH
OSCINL
I
L
V
V
OSCIN input pin high level voltage
OSCIN input pin low level voltage
OSCIN high or low time
OSCIN rise or fall time
OSCx Input leakage current
OSCINH
OSCINL
EXTERNAL
CLOCK SOURCE
C
L2
Parameter
C
t
r(OSCIN)
L1
1)
1)
RESONATOR
t
f(OSCIN)
OSCOUT
OSCIN
90%
see
V
SS
10%
Figure 50
OSCIN
OSCOUT
V
IN
Conditions
V
DD
t
Not connected internally
w(OSCINH)
R
F
I
L
i
2
t
w(OSCINL)
0.7xV
Min
V
15
SS
f
DD
OSC
ST72XXX
Typ
ST72XXX
f
OSC
0.3xV
Max
V
15
±1
DD
DD
Unit
ns
V
A