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SERIAL Digital I/O Series User Manual Eagle Technology - Data Acquisition
Counter-Timer Characteristics
Number of Counter-Timer Channels:
Device Channels
SRL 24A 0
SRL 24C 6
SRL 48A 0
SRL 48C 6
SRL 72A 0
SRL 72C 6
SRL 96A 0
SRL 96C 6
SRL 120A 0
SRL 26 0
SRL 30 0
SRL 73 0
Resolution: 16-bits
Compatibility 82C54 / TTL
Clock Source Software Selectable
1. Internal 10 MHz
2. External
Gate Source Software Selectable
1. Software Controlled
2. External
Interrupt Source 6 x Terminal Count (TC).
I/O Characteristics
Level Min Max
Input Low Voltage 0V 0.8V
Input High Voltage 2.0V 5.25V
Low Level Input
Current
- 100 uA
High Level Input
Current
100 uA
Output High Voltage 2.4V
Output Low Voltage 0.6V
Low Level Output
Current
-24 mA
High Level Output
Current
4 mA
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