74ABTH16899 Overview
The 74ABT/H16899 has three principal modes of operation which are outlined below. All modes apply to both the A-to-B and B-to-A directions. Transparent latch, Generate parity, Check A and B bus parity:.
74ABTH16899 Key Features
- Symmetrical (A and B bus functions are identical)
- Selectable generate parity or ”feed-through” parity for A-to-B and
- Independent transparent latches for A-to-B and B-to-A directions
- Selectable ODD/EVEN parity
- Continuously checks parity of both A bus and B bus latches as
- Open-collector ERR output
- Ability to simultaneously generate and check parity
- Can simultaneously read/latch A and B bus data
- Output capability: +64 mA/-32mA
- Latch-up protection exceeds 500mA per Jedec Std 17