Integrated Device Technology, Inc. FAST CMOS 16-B.
IDT54FCT16646ET - FAST CMOS 16-BIT BUS TRANSCEIVER/ REGISTERS (3-STATE)
Integrated Device Technology, Inc. FAST CMOS 16-BIT BUS IDT54/74FCT16646T/AT/CT/ET IDT54/74FCT162646T/AT/CT/ET TRANSCEIVER/ REGISTERS (3-STATE) 74FCT.