Holtek HT48R05A-1 - Page 107

Typical RC OSC vs. Temperature
Typical RC Oscillator Frequency vs. V
DD
100
Cost-Effective I/O Type MCU
R = 2 4 k
W
R = 3 0 k
W
R = 3 6 k
W
R = 5 6 k
W
R = 1 0 0 k
W
R = 2 0 0 k
W
R = 5 1 0 k
W
1 0
9
8
7
6
5
4
3
2
1
0
2 . 4 2 . 6 2 . 8 3
3 . 2 3 . 4 3 . 6 3 . 8
4 4 . 2 4 . 4 4 . 6 4 . 8 5 5 . 2
5 . 4 5 . 6 5 . 8 6
2 . 2
f
S Y S ( M H z )
V
D D
( V o l t s )
T (
°
C )
f
O S C
f
O S C
( 2 5
°
C )
0 . 9 7
0 . 9 7 5
0 . 9 8
0 . 9 8 5
0 . 9 9
0 . 9 9 5
1
1 . 0 0 5
1 . 0 1
1 . 0 1 5
1 . 0 2
1 . 0 2 5
- 6 0 - 4 0 - 2 0 0 2 0 4 0 6 0 8 0 1 0 0
V
D D
= 5 V
V
D D
= 3 V
V
D D
= 3 V
V D D = 5 V