MC68HC908JK3 MOTOROLA [Motorola, Inc], MC68HC908JK3 Datasheet - Page 196

• Manufacturer Part Number: MC68HC908JK3
• Description: MC68HC908JK1
• Manufacturer: MOTOROLA [Motorola, Inc]

Electrical Specifications
18.8 5V Oscillator Characteristics
Technical Data
196
14
12
10
Crystal frequency, XTALCLK
RC oscillator frequency, RCCLK
External clock
Crystal load capacitance
Crystal fixed capacitance
Crystal tuning capacitance
Feedback bias resistor
Series resistor
RC oscillator external R
RC oscillator external C
8
6
4
2
0
reference frequency
NOTES:
1. No more than 10% duty cycle deviation from 50%
2. Consult crystal vendor data sheet
3. Not Required for high frequency crystals
0
Characteristic
Table 18-6. Oscillator Component Specifications (5V)
(2), (3)
10
Figure 18-1. RC vs. Frequency (5V @25 C)
(1)
(2)
(2)
(2)
Resistor, R
20
Electrical Specifications
f
f
Symbol
OSCXCLK
OSCXCLK
f
RCCLK
EXT
R
C
C
C
C
R
R
EXT
EXT
L
1
2
B
S
30
(k )
C
5V @ 25 C
EXT
Min
dc
—
—
—
—
—
—
—
2
40
= 10 pF
See
10 M
2 C
2 C
Typ
Figure 18-1
10
10
10
—
—
—
L
L
50
V
MC68H(R)C908JL3
DD
Max
32
12
32
—
—
—
—
—
—
R
EXT
OSC1
MHz
MHz
MHz
Unit
pF
MCU
MOTOROLA
C
EXT
—
Rev. 1.0