From

Ferro Ram FM1608 (64kb)

Ferro Ram FM1808 (256kb)

2114 Ram

Ram 2114

5101 Static ram 350ns

Philips PCD5101p Cmos Ram

6116 Ram Sram 100ns

6116 Ram

6264 Static ram 100ns

6810 Ram

6810 Motorola

TC5514

1024 x 4-Bit CMOS Static RAM Zaccaria Pinball.
Memory IC's For the Pinball