HEF4505B 64-bit, 1-bit word random access read/write memory
HEF4505BCNV3 From datasheet system
HEF4505BD 64-bit, 1-bit word random access read/write memory
HEF4505BDB 64-bit, 1-bit per word random access read/write memory
HEF4505BF 64-bit, 1-bit word random access read/write memory
HEF4505BN 64-bit, 1-bit word random access read/write memory
HEF4505BP 64-bit, 1-bit word random access read/write memory