INTEGRATED CIRCUITS FB2031 9-bit latched/register.
NXP
FB2031 - 9-bit latched/registered/pass-thru Futurebus transceiver
INTEGRATED CIRCUITS FB2031 9-bit latched/registered/pass-thru Futurebus+ transceiver Product specification IC19 Data Handbook 1995 May 25 Philips Se.
Texas Instruments
SN74FB2031 - 9-Bit TTL/BTL Address/Data Transceiver
SN74FB2031 9-BIT TTL/BTL ADDRESS/DATA TRANSCEIVER D Compatible With IEEE Std 1194.1-1991 (BTL) D TTL A Port, Backplane Transceiver Logic (BTL) B Port.