SN74HCT374PW

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The SN74HCT374PW is a high speed octal D-type flip-flop with 3-state outputs and is a member of the Texas Instruments HCT (High-speed CMOS) family. Developed especially for applications where high-speed CMOS logic is required, the SN74HCT374PW features a fast propagation delay and low power consumption.

The SN74HCT374PW is designed for use in applications requiring flip-flop devices with 3-state outputs. It is ideal for applications acting as a data storage element for both asynchronous and synchronous data transfer and for clock resynchronization applications. The outputs of the SN74HCT374PW are all active low output, although both active high and active low output are available simultaneously.

The SN74HCT374PW contains eight individual, edge-triggered flip flop, which can be separated independently to provide eight independent data/clock storage elements. Each flip-flop has an individual data input (D) and clock input (CP) and a common data/clock enable input (CE). The flip-flops may also be connected together in a daisy-chain to allow data to shift through the device in either the serial or parallel mode. To prevent race conditions, the outputs of the SN74HCT374PW are tri-state, meaning they can be set to either high or low, or to a high impedance (off) where the output is floating.

The SN74HCT374PW features: an active low reset input (RS) as well as a preset (PR) input to pre-set any one or more of the data outputs to a logic low state; an indicated output enable (OE) input to control the output states to either high or low; an active low, differential clock input (CP) for improved noise immunity; and a J and a K input for the serial data transfer.

The SN74HCT374PW is available in both a 16-lead PLCC (plastic leaded chip carrier) package and a 44-/48-pin TQFP (thin quad flat package) footprint. The device employs 0.8 micron CMOS technology and is rated for operating temperatures between -55 to +125°C, making it ideal for both industrial and automotive use.

The SN74HCT374PW is a versatile device, ideal for applications including data storage or retransmission, data buffering, clock resynchronization, and buffering of multiple data sources. It is capable of rapid switching between high and low logic levels and has low noise immunity. The device is well-suited for a variety of automotive and industrial control applications.

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