UPD8155-2 Description
They directly interface to the multiplexed J.LPD80B5A bus with no external logic. The J.LPDB155 has an active low chip enable while the J.LPDB1 56 is active high.
UPD8155-2 Key Features
- Two Programmable B-Bit I/O Ports
- One Programmable 6-Bit I/O Port
- Single Power Supplies: +5 Volt, ±10%
- Directly interfaces to the J.LPDB085A and J.LPD8085A-2
- Available in 40 Pin Plastic Packages