CDP1822C/3 March 1997 High-Reliability CMOS 256-W.
CDP1822C3 - High-Reliability CMOS 256-Word x 4-Bit LSI Static RAM
CDP1822C - High-Reliability CMOS 256-Word x 4-Bit LSI Static RAM
CDP1822C - 256-Word by 4-Bit LSI Static Random-Access Memory