STR910FAZ32H6T STMICROELECTRONICS [STMicroelectronics], STR910FAZ32H6T Datasheet - Page 65

• Manufacturer Part Number: STR910FAZ32H6T
• Manufacturer: STMICROELECTRONICS [STMicroelectronics]

STR91xFAx32 STR91xFAx42 STR91xFAx44
7.7.1
7.7.2
Main oscillator electrical characteristics
V
Table 18.
1. Data characterized with quartz crystal, not tested in production.
X1_CPU external clock source
Subject to general operating conditions for V
Table 19.
1. Data based on typical appilcation software.
2. Data based on design simulation and/or technology characteristics, not tested in production.
Figure 16. Typical application with an external clock source
t
STUP(OSC)
DuCy
DDQ
Symbol
Symbol
t
C
t
w(X1H)
V
w(X1L)
V
t
t
IN(X1)
r(X1)
f(X1)
f
X1H
X1
X1L
I
L
= 2.7 - 3.6V, V
(X1)
V
V
External clock source
frequency
X1 input pin high level
voltage
X1 input pin low level
voltage
X1 high or low time
X1 rise or fall time
X1 input leakage current
X1 input capacitance
Duty cycle
X1H
X1L
Oscillator Start-up Time
External clock characteristics
Main oscillator electrical characteristics
EXTERNAL
CLOCK SOURCE
Parameter
Parameter
DD
t
r(T1)
= 1.65 - 2V, T
(2)
(2)
T
X1
hi-Z
(2)
t
f(X1)
A
X2_CPU
X1_CPU
90%
See
V
Conditions
= -40 / 85 °C unless otherwise specified.
10%
SS
Test Conditions
V
DD
≤V
Figure 16
Test
IN
stable
DD
≤V
and T
t
w(X1H)
DD
(1)
(1)
A
0.7xV
.
Min
V
I
L
45
4
6
SS
t
DD
w(X1L)
Min
f
OSC
STR91xF
Value
Electrical characteristics
Typ
5
Value
Typ
2
0.3xV
Max
V
25
20
±1
55
Max
DD
3
DD
MHz
Unit
Unit
mS
µA
pF
ns
ns
%
V
V
65/99