Download UPD8156-2 Datasheet PDF
UPD8156-2 page 2
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UPD8156-2 page 3
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UPD8156-2 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

UPD8156-2 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.