Citizen Systems CBM-920 5.4 Electrical Characteristics

CBM-920User’s Manual
24 CITIZEN
3) TimingChart
5.4 Electrical Characteristics
1) InputSi gnal Level
The input signal level is HCMOS.
"HIGH" level : 4.0V MIN
"LOW" level : 1.0VMAX
2) Output Signal Level
BUSY signal level is HCMOS. Other signals are sent at TTL level.
For HCMOS level
"HIGH" level : 4.0V MIN
"LOW" level : 1.0VMAX
For TTL level
"HIGH" level : 2.4V MIN
"LOW" level : 0.4VMAX