74ACT899 9-Bit Latchable Transceiver with Parity Generator/Checker January 1990 Revised December 1998 74ACT899 9-Bit Latchable Transceiver with Parity Generator/Checker General Description The ACT899 is a 9-bit to 9-bit parity transceiver with transparent latches.
The device can operate as a feed-through transceiver or it can generate/check parity from the 8-bit data busses in either direction.
The ACT899 features independent latch enables for the A-to-B direction and the B-toA direction, a select pin for ODD/EVEN parity, and separate error signal output pins for checking parity.
Features s Latchable transceiver with output sink of 24 mA s Option to select generate parity and check or “fe...

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