41xxx

Examples of 4116 class RAM chips

Examples of 4132 class RAM chips           ( stacked/piggybacked chips )  (18 pins, not 16)

Examples of 4164 class RAM chips

Examples of 41128 class RAM chips           ( stacked/piggybacked chips )

Examples of 41256 class RAM chips


Power pins on 4116/4132/4164/41128/41256



51xxx

Examples of 5164 class RAM chips           ( appears to be a CMOS version of 4164 )