MH25609BJ-15

Fast-page mode dynamic random-access memory (DRAM) single in-line memory module (SIMM) tracking a parity-checked 256K x 9-bit configuration array with a 150-nanosecond access speed timeline. Equivalents: No direct cross-brand drop-in part matches due to specific proprietary board manufacturing runs. Real-Life Examples: Early vintage laser printers, legacy industrial automation controllers, IBM PC/XT and PC/AT industrial workstations.