MC14549BCPG

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The MC14549BCPG is a monolithic CMOS logic integrated circuit from Motorola. This device is a type of logic chip which falls into the logic shift registers category. Specifically, it is an 8-bit serial-in-parallel-out shift register with a latency of 4 clocks and a hold time of one clock.

The MC14549BCPG includes differential clock and output enable inputs, making it suitable for applications that require either differential or conventional clock and output enable inputs. It also has a push-pull serial input and complementary serial outputs. The shift register is designed to work in either static or dynamic operation and is fabricated with an advanced high-speed CMOS process.

The main application field of the MC14549BCPG is the synchronization and data transfer between electronic circuits. It allows bi-directional data flow between two sets of circuits and converts serial data format to parallel format and vice versa. It is also designed to handle data throughput in high speed applications, with a maximum frequency of 350MHz and a propagation delay of 4ns.

In addition to its synchronization and data transfer applications, the MC14549BCPG can also be used in data buffering and storage, data compression and decompression, digital communications and general logic applications. The device’s asynchronous reset and power-on clear functions also make it suitable for memory address multiplexing, random access memories and various control applications.

The working principle of the MC14549BCPG is relatively straightforward. When the chip is powered on, the internal 8-bit registers are cleared. When an enable signal is sent, data is shifted in from the serial input, bit by bit. Then, when a clock signal is sent, the data is shifted one bit to the right within the register and the last bit is shifted out of the serial output. This process is repeated each time a clock signal is sent, until all of the data in the register has been shifted out.

In summary, the MC14549BCPG is an 8-bit serial-in-parallel-out logic shift register designed by Motorola. It is suitable for synchronization and data transfer applications, data buffering and storage, data compression and decompression, digital communications and general logic applications. Its working principle is relatively straightforward and involves shifting bits in and out of its internal register in response to clock and enable signals.

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