Integrated Device Technology, Inc. FAST CMOS 18-B.
IDT54FCT16H501ET - FAST CMOS 18-BIT REGISTERED TRANSCEIVER
Integrated Device Technology, Inc. FAST CMOS 18-BIT REGISTERED TRANSCEIVER IDT54/74FCT16501AT/CT/ET IDT54/74FCT162501AT/CT/ET IDT54/74FCT162H501AT/C.