MCM514256A Datasheet (Motorola) - 256K x 4 CMOS DRAM

MCM514256A, 256K x 4 CMOS DRAM

MOTOROLA SEMICONDUCTOR TECHNICAL DATA 256K x 4 Bit CMOS Dynamic RAM Page Mode, Commercial and Industrial Temperature Range The MCM514256A is a 1.0µ CMOS high-speed dynamic random access memory.

It is organized as 262,144 four-bit words and fabricated with CMOS silicon-gate process technology.

Advanced circuit design and fine line processing provide high performance, improved reliability, and low cost.

The MCM514256A requires only nine address lines; row and column address inputs are multiplexed.

MCM514256A Features

* S (Continued) Symbol MCM514256A-70 MCM514256A-80 MCM51L4256A-70 MCM51L4256A-80 Parameter Std Alt Min Max Min Max Unit Notes Column Address Hold Time tCELAX tCAH 15

* 15

* ns Column Address Hold Time Referenced to RAS tRELAX tAR 55

* 60

* ns Column Ad