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The MCM4116B is a 16,384-bit, high-speed dynamic Random Access Memory designed for high-performance, low-cost applications in mainframe and buffer memories and peripheral storage. Organized as 16,384 0ne-bit words and fabricated using Motorola's highly reliable N-channel double-polysilicon technology, this device optimizes speed. power, and density tradeoffs. By multiplexing row and colu mn address inputs, the MCM41 1 6B requires only seven address lines and permits packaging in Motorola's standard 16-pin dual in-line packages. This packaging technique allows high system density and is compatible with widely available automated test and insertion equipment. Complete address decoding is done on chip wiih address latches incorporated. All inputs are TTL compatible, and the output is 3-state TTL compatible. The data output of the MCM41 1 6B is controlled by the column address strobe and remains valid from access time until the column address strobe returns to the high state.This'output scheme allows higher degrees of system design flexibility such as common input/output operation and two dimensional memory selection by decoding both row address and column address strobes. The MCM4116B incorporates a one-transistor cell design and dynamic storage techniques, with each of the 1 28 row addresses requiring a refresh cycle every 2 milliseconds.
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