PI74ALVCH16823A

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The PI74ALVCH16823A is a 3-state octal D-type flip-flop that has extremely low power consumption and a wide operating range. It operates with a single power supply of 3V to 3.3V and has a high-speed operation of up to 350MHz. This device provides fast logic transitions between logic high, driving low and high impedance Z states.ApplicationsThe PI74ALVCH16823A is suitable for a wide range of applications such as memory control, state sequencing and fanout buffering. It provides significant time-saving and system design flexibility when used in systems that require multiple I/O interfaces.It is also ideal for low-power, high-performance applications requiring eight bits of operation with a single voltage supply in a limited space. Its high-speed operation and low-power consumption make it suitable for high-speed system designs.Working PrincipleThe PI74ALVCH16823A uses a cascaded NAND gate configuration to store data bits. The data is clocked in and out of the device which enables the flip-flop to latch the data and hold it until the next clock cycle. The first stage of the flip-flop is an input register, which consists of two sets of four inputs that are connected to two NANDs. The input of the NANDs goes through two registers as well to allow for the fall-time data propagation when clocking in a new bit into the device. The second stage of the flip-flop is an output register, which consists of four input data lines which latch the incoming data to the device. The output of the flip-flop corresponds to the stored data bits in each of the four output registers, with each output being a logical 1 when the corresponding output register is set and a logic 0 otherwise. The PI74ALVCH16823A also features a 3-state output port which provides an increased level of versatility as it can be used to turn off portions of the device or to drive large bus capacitances. The 3-state output port is enabled by an active low Output Enable (OE) input, which allows the user to turn off the outputs to a high-impedance state when de-asserted.In conclusion, the PI74ALVCH16823A is an ideal flip-flop for any low-power and high-speed system designs that require a wide operating range with a single power supply. Its applications for a variety of data storing and fanout buffering tasks make it extremely versatile.

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