Coupon Accepted Successfully!



The I/O ports can be programmed in a variety of ways as per requirement of the programmer. The features of this device are given below:

  • 24 programmable I/O pins
  • Fully TTL compatible
  • High speed, no "Wait State" operation with 5 MHz 8085, 8 MHz 80C86 and 80C88
  • Direct bit set/reset capability
  • Enhanced control word read capability
  • 2.5 mA drive capability on all I/O ports
  • Low standby power static CMOS circuit design insures low operating power

The functional descriptions of pins are as follows:


Test Your Skills Now!
Take a Quiz now
Reviewer Name