MBM10422

1024-bit (1 Kbit) Bipolar Emitter-Coupled Logic (ECL) Random Access Memory (RAM) integrated circuit originally manufactured by Fujitsu. It is highly sought after by collectors, electronics hobbyists, and arcade restoration technicians - Memory Organization: 256 words × 4 bitsLogic Family: Fully compatible with industry-standard 10K-series ECL familiesSpeed/Access Time: Typically 7ns to 10ns maximum address access timePackaging: 24-pin Dual In-line Package (DIP-24), often found in a premium gold-and-white ceramic body (CDIP)Features: On-chip voltage compensation to improve noise margins, and open-emitter outputs for easy memory expansion