Chapter 1
Overview
Electrical Characteristics I - 19
Figure:1.5.2 OSCI Timing Chart
VDD = 5.0 V
VSS = 0.0 V
Ta= -40 °C to +85 °C
Parameter Symbol Conditions
Limits
Unit
Min. Typ. Max.
External clock input 1 OSCI (OSCO left open)
B3 Clock frequency fosc - 5.0 - 15.0 MHz
B4 High-level pulse width twh1
Fig. 1.5.2
25.0 - - ns
B5 Low-level pulse width twl1 25.0 - - ns
B6 Rise time twr1
Fig. 1.5.2
- - 5.0 ns
B7 Fall time twf1 - - 5.0 ns
Note:
Be sure that the clock duty ratio is 45 % to 55 %.
twh1 twl1
twf1
1/fosc
twr1
0.9VDD
0.1VDD
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