Complex sentence: The first bipolar 64-bit SRAM were released by Intel in 1969 with the 3101 Schottky TTL and one year later it released the first DRAM chip, the Intel 1103.
Split into simpler sentences: The first bipolar 64-bit SRAM was released by Intel in 1969 with the 3101 Schottky TTL. One year later it released the first DRAM chip, the Intel 1103.