Description

PI5C3257QEX is a signal switch and part of the Encoders & Decoders / Multiplexers family. It is a quad 2:1 multiplexer/demultiplexer that has three-state outputs.

Specifications and Features

Pericom Semiconductor's PI5C3257QEX has various features and specifications, some of them are listed below.

• Near-Zero propagation delay: This model has a near-zero propagation delay feature.
• 5Ω switches connect inputs to outputs: You can connect the input to outputs with low on-resistance of 5Ω.
• Direct bus connection when switches are ON: This model provides a direct bus connection when the switches are on.
• Ultra Low Quiescent Power (0.2µA typical): This PI5C3257QEX ideally suited for notebook applications due to its ultra-low quiescent power of 0.2µA (typical).
• Pin compatible with 74 series 257 logic devices: This model is pinout and function compatible with the PI74FCT257T, 74F257, and 74ALS/AS/LS257.
• Packaging: This model is available in various packaging options such as:
• 16-pin 150-mil wide plastic QSOP (Q)
• 16-pin 300-mil wide plastic SOIC (S)
• 16-pin 150-mil wide plastic SOIC (W)
• 16-pin 173-mil wide plasticTSSOP (L)

Application Scenarios

The PI5C3257QEX can be used for various electronic devices and applications such as tablets, notebooks, computer peripherals, and many others. It is best suited for three-state output devices.

Comparison

• It has near-zero propagation delay.
• Low on-resistance of 5Ω switches connect inputs to outputs.
• It provides a direct bus connection when the switches are on.
• It has an Ultra Low Quiescent Power (0.2µA typical) feature, making it ideally suited for notebook applications.

• No disadvantages found.