The MCM63L918A has been discontinued. Suggested replacement: none.
The MCM63L836A/918A is an 8M–bit synchronous late write fast static RAM
designed to provide high performance in secondary cache and ATM switch,
Telecom, and other high speed memory applications. The MCM63L918A
(organized as 512K words by 18 bits) and the MCM63L836A (organized as 256K
words by 36 bits) are fabricated in Motorola’s high performance silicon gate
copper CMOS technology.