● 48 Parallel Bits of Digital I/O Type 82C55 PPI mode 0

● Compatible with Opto-22 type Solid State Module Racks

● Two 24 bit groups (two 8 bit ports, two 4 bit ports each group)

● All bits are buffered, 64mA sink, 32m A source

● I/O pulled up to 5V for Contact Monitoring, Pulldown resistors are an option (factory installation)

● Fused (resetable) 5V available on pin 49 of each group

● I/O connectors: Two Industry Standard 50 pin headers plus one ten-pin header for counter timer

● Factory Options:

- 82C54 with three 16-bit counter/timers for event counting, frequency output, pulse width and frequency measurement

- 0 to 70°C and -40 to +85°C versions available

- Economy version without COS feature

- Pull-down resistors on I/O lines

- RoHS Available. Please contact us for ordering information

● Automatic Test Systems

● Laboratory Automation

● Robotics

● Machine Control

● Security Systems, Energy Management

● Relay Monitoring and Control

● Parallel Data Transfer to PC

● Sensing Switch Closures or TTL, DTL, CMOS Logic

● Driving Indicator Lights or Recorders

The optional 82C54 has three-sixteen bit down-counters within one chip. These counters are useful for making frequency outputs, measuring frequency of square waves, pulse width outputs, pulse width measurements etc. Software drivers are provided on CD.