15 PIECES
IS61LV256-12N
ISSI
28 PIN DIP
32Kx8 LOW VOLTAGE SRAM
NOS 1 TUBE
https://www.datasheetarchive.com/pdf/download.php?id=5a9f5f74c5d7b063b787b3edba8045115b4577&type=M&term=IS61LV256