NTE3881, NMOS Parallel I/O Interface Adapter (PIO), 4MHz Max Clock Rate, Vcc= +5V ~ 40 Pin DIP (ECG3881, SK3881)

FEATURES:

• NMOS Parallel I/O Interface Adapter (PIO), 4MHz Max Clock Rate, Vcc= +5V
• Two Independent 8Bit Bidirectional Peripheral Interface Ports with Handshake Data TransferControl
• Interrupt Driven Handshake for Fast Response
• Any One of Four Distinct Modes of Operation may be Selected for a Port, including:
  Byte Output
  Byte Input
  Byte Bidirectional Bus (Available on Port A Only)
  Bit Control Mode
• All with Interrupt Controlled Handshake
• Daisy Chain Priority Interrupt Logic Included to Provide for Automatic Interrupt Vectoring withoutExternal Logic
• Eight Outputs are Capable of Driving Darlington Transistors
• All Inputs and Outputs Fully TTL Compatible
• Single 5 Volt Supply and Single Phase Clock Required
• 40 Pin DIP Package
• Replaces ECG3881, SK2881