SN74LV8T594PWR

Shift Registers Overview

The SN74LV8T594PWR is an octal shift register with output registers manufactured by Texas Instruments. It operates on a single supply voltage ranging from 1.65V to 5.5V and features 5.5V tolerant input pins. The device includes balanced CMOS push-pull outputs and supports data rates up to 150Mbps at 5V or 3.3V VCC. It provides latching logic with a known power-up state via a Power On Reset (POR) circuit. The component is housed in a 16-pin TSSOP package.

Shift Registers Feature Summary

• Integrated LVxT enhanced input voltage architecture enables bidirectional level translation between various low-voltage and 5V CMOS standards.
• Includes dedicated Power On Reset (POR) circuitry that ensures all internal latching circuits initialize to a defined low state upon power application.
• Features separate clock inputs for the shift register and storage register, allowing independent control over data shifting and output registration.

Shift Registers Applications

• Digital signage systems
• Controlling indicator LEDs
• Increasing microcontroller output capacity

Shift Registers Procurement Notes

Verify the specific ordering suffix 'PWR' corresponds to the TSSOP-16 package and reel/cut tape packaging configuration. Confirm the manufacturer is Texas Instruments and check RoHS compliance status. Ensure the component matches the SN74LV8T594 series specifications before integration into designs requiring 5.5V tolerant inputs.

Shift Registers Selection Notes

Select this component when an octal serial-to-parallel conversion is required with independent output latching capabilities. It is suitable for applications needing voltage level translation between different logic families. Consider the thermal resistance and current drive limits if driving heavy capacitive loads or multiple cascaded units simultaneously.

Shift Registers Part Context

This part belongs to the SN74LV8T family of logic devices designed for low-voltage CMOS applications. It functions as an 8-bit shift register feeding an 8-bit D-type storage register. The device is part of TI's broader portfolio of standard function logic ICs intended for general-purpose digital signal processing and interface expansion tasks.

Shift Registers Replacement Considerations

Direct substitutes include other octal shift registers with output registers from the same logic family, such as the SN74LV8T594PW. Verify pin compatibility and electrical characteristics against the original datasheet requirements.

Shift Registers FAQ

How does the device handle unknown states during power-up?

The SN74LV8T594 includes a Power On Reset (POR) circuit that forces all internal shift registers and output registers to a low state during the power-up ramp, ensuring a known initial condition.

Can multiple SN74LV8T594 devices be connected together?

Yes, the QH' output provides a direct connection to the last stage of the internal shift register, allowing it to be fed into the serial input of another device to create a cascade of shift registers without practical limitations on quantity.