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256K x 4 Bit Fast Static Random
Access Memory
The MCM6728A is a 1,048,576 bit static random access memory organized as 262,144 words of 4 bits. This device is fabricated using high performance silicon-gate SiCMOS technology. Static design eliminates the need for external clocks or timing strobes.
This device meets JEDEC standards for functionality and revolutionary pinout, and is available in a 400 mil plastic small-outline J-Ieaded package.
• Single 5 V ± 10% Power Supply • Fully Static - No Clock or Timing Strobes Necessary • All Inputs and Outputs Are TTL Compatible • Three State Outputs • Fast Access Times: 8, 10, 12, 15 ns • Center Power and 1/0 Pins for Reduced Noise
BLOCK DIAGRAM
MEMORY MATRIX 512ROWSx512x4 COLUMNS
Vee VSS
MCM6728A
WJ PACKAGE 400 MILSOJ
CASE 810
fa
PIN ASSIGNMENT
A A AA A
E
DOO D03
Vee VSS Vss Vee DOl D02
iii A
AA AA AA AA
PIN NAMES
AO - A17 . . . . . . . . . . . .. Address Input
E ..