18 PIECES MB81C4256A-60PSZ FUJITSU
20 PIN ZIP PACKAGE
256Kx4 FAST PAGE MODE DRAM
20 PIN ZIP PACKAGE
256Kx4 FAST PAGE MODE DRAM
60ns
NOS 1 TUBE
https://www.datasheetarchive.com/pdf/download.php?id=3ad5a83eac49c550036a1b9ff2e1b6ecd36e77&type=M&term=MB81C4256A
https://www.datasheetarchive.com/pdf/download.php?id=3ad5a83eac49c550036a1b9ff2e1b6ecd36e77&type=M&term=MB81C4256A