19 PIECES HYB511000BZ-70 SIEMENS
20 PIN ZIP PACKAGE
1 MEG x 1  FAST PAGE MODE DRAM
NEW/UNUSED 1 TUBE
https://www.datasheetarchive.com/pdf/download.php?id=c70b8b02b878901768bb0d62100e251102686a&type=M&term=HYB511000