Peripheral Interface Adapter (PIA) DIP-40

Features

• Low power CMOS N-well silicon gate technology
• Direct replacement for NMOS R6520 or MC6821 PIA
• Two 8-bit bidirectional I/O ports with individual data direction control
• Automatic "handshake" control of data transfers
• Two interrupts (one for each port) with program control
• 5V
• DIP-40