SIC63616-(Rev. 1.0) NO. P187
3240-0412
7.5 Oscillation Characteristics
The oscillation characteristics change depending on the conditions (components used, board pattern, etc.).
Use the following characteristics as reference values.
OSC1 crystal oscillation circuit
Item
Oscillation start time
External gate capacitance
Built-in drain capacitance
Frequency/IC deviation
Frequency/voltage deviation
Frequency adjustment range
Symbol
t
sta
C
G1
C
D1
∆
f/
∆
IC
∆
f/
∆
V
∆
f/
∆
C
G
Unit
s
pF
pF
ppm
ppm/V
ppm
Condition
Including the board capacitance
Chip
V
DD
=constant
V
DD
=constant, C
G
=0 to 25pF
Unless otherwise specified:
V
DD
=1.6 to 5.5V, V
SS
=0V, Crystal oscillator=C-002RX(R
1
=30k
Ω
(Typ.), C
L
=12.5pF), Ta=25°C
Max.
3
25
–
10
1
–
Typ.
–
–
14
–
–
–
Min.
–
0
–
-10
–
25
OSC3 ceramic oscillation circuit
Item
Oscillation start time
Symbol
t
sta
Unit
ms
Max.
1
Typ.
–
Min.
–
Condition
Unless otherwise specified:
V
DD
=1.6 to 5.5V, V
SS
=0V, Ta=25°C
OSC3 CR oscillation circuit (external R type)
Item
Oscillation start time
Frequency/IC deviation
Symbol
t
sta
∆
f/
∆
IC
Unit
ms
%
Max.
1
25
Typ.
–
–
Min.
–
-25
Condition
R
CR
=constant
Unless otherwise specified:
V
DD
=1.6 to 5.5V, V
SS
=0V, Ta=25°C
Содержание S1C63616
Страница 1: ...S1C63616 Technical Manual Rev 1 0 ...