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Fairchild 6821P

In Stock: 3

Product Info

Fairchild 6821P Peripheral Interface Adapter


Peripheral Interface Adapter (Motorola Clone)

  • 8-Bit Bidirectional Data Bus for Communication with the MPU
  • Two Bidirectional 8-Bit Buses for Interface to Peripherals
  • Two Programmable Control Registers
  • Two Programmable Data Direction Registers
  • Four Individually Controlled Interrupt Input Lines; Two Useable as Peripheral Control Outputs
  • Handshake Control Logic for Input and Output Peripheral Operation
  • High-Impedance Tri-State and Direct Transistor Drive Peripheral Lines
  • Program Controlled Interrupt and Interrupt Disable Capability
  • CMOS Drive Capability on Side A Peripheral Lines
  • Two TTL Drive Capability on All A and B Side Buffers
  • TTL Compatible
  • Static Operation

(Data taken from Motorola Semiconductors MC6821 Datasheet)


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