User`s guide

6 • Introduction
Programmable Counter
• Device: 8254
• A/D pacer: 32-bit timer
(Two 16-bit counters cascaded together) with a 2MHz time base
• Pacer Output: 0.00046 Hz ~ 100 KHz
• Pre-trigger Counter:
One 16-bit counter for counting AD Conversion Pulse
General Specifications
• Connector: 37-pin D-type connector
• Operating Temperature: 0°C ~ 60°C
• Storage Temperature: -20°C ~ 80°C
• Humidity: 5 ~ 95%, non-condensing
• Power Consumption: +5 V @ 570 mA typical
• Dimension: Compact size only 175mm x 105mm