Philips Semiconductors 74ABT/H16899 is a 16-bit to 16-bit parity transceiver with separate transparent latches for the A and B bus.
This document is a product specification datasheet for the Philips 74ABT16899 and 74ABTH16899 integrated circuits. The device is an 18-bit latched transceiver featuring a 16-bit parity generator and checker with 3-State outputs. It supports symmetrical A and B bus functions with selectable generate or feed-through parity modes.
| Data Bus Width | 18-bit |
|---|---|
| Parity Width | 16-bit |
| Operating Temperature Range | -40°C to +85°C |
| Output Current (Low) | 64 mA |
| Output Current (High) | -32 mA |
Parity error checking is continuously provided with active-Low error signal outputs named ERRA and ERRB.
Yes, the device features a select pin that allows the user to choose between ODD and EVEN parity modes.