Item-No.: 82LAB

The 8255/8254 laboratory adapter is a programmable interface for PC/XT, PC/AT, PC/ 386, PC/486, Pentium or compatible computers. The interface adapter contains 8254 chip and 8255 chips, the 8254 chip provides programmable interval timer/counter functions and the 8255 chips provide programmable input/output functions. There are two type of cards, one contains many plated through-holes at the adapter for laboratory development and another is typical 8255/8254 adapter.

• 1 (2 optional) x 8255 - 1 x 8254
• Programmable I/O control functions.
• Up to 48 I/O lines.  TTL - 5V
• Maximum of 10MHZ count rate.
• Three independent 16 bits counter.
• Support several operating modes which are programmable.
• Port address selectable. (OOOH - 3F8H)
• Optional-plated through-holes for laboratory development.
• Delay wait state selectable.
• Connection with 40-Pin connector in slotbracket

• 8-Bit PC-add-on-card
• With Windows-98/NT/2000 driver

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