SN74LV393BMPWREP

Counter Dividers Overview

The SN74LV393BMPWREP is an enhanced product dual 4-bit binary counter from Texas Instruments, operating within a 2 V to 5.5 V supply voltage range. It integrates two independent counters with negative-edge clocking and asynchronous clear inputs. The device features balanced CMOS push-pull outputs and supports mixed-mode voltage operation across all ports. It includes Ioff circuitry for partial-power-down applications to prevent backflow current. Designed for extended reliability, it offers latch-up performance exceeding 250 mA per JESD 17 and operates across a temperature range of -55°C to +125°C.

Counter Dividers Feature Summary

• Enhanced product qualification supporting defense, aerospace, and medical applications with controlled baseline and single-source fabrication.
• Integrated Ioff circuitry enables partial-power-down mode by disabling outputs to prevent damaging current backflow when powered down.
• Balanced CMOS push-pull outputs provide symmetric sourcing and sinking capabilities for reliable signal transmission.
• Supports mixed-mode voltage operation on all ports, allowing compatibility with varying logic levels.

Counter Dividers Applications

• Increasing the number of inputs available on a microcontroller
• Expanding system clock frequencies through cascading
• Creating extended clock systems for digital controllers

Counter Dividers Procurement Notes

Verify that the ordering suffix matches the specific package and tape-and-reel configuration required for your assembly line. Confirm the Enhanced Product (EP) designation is necessary for your application's reliability standards. Ensure the supplier provides traceability documentation consistent with the controlled baseline requirements specified in the datasheet.

Counter Dividers Selection Notes

Select this component when dual independent 4-bit counting functionality is required within a single package. Consider the SN74LV393B-EP for designs demanding extended temperature ranges and high latch-up immunity. Evaluate the Ioff feature if partial power-down states are critical to the system's power management strategy.

Counter Dividers Part Context

This device belongs to the SN74LV series of low-voltage CMOS logic components. It is classified as an Enhanced Product (EP), indicating stricter manufacturing controls compared to standard commercial variants. The part is housed in a 14-pin TSSOP package, suitable for surface-mount applications requiring compact footprints.

Counter Dividers Replacement Considerations

SN74LV393AD

Counter Dividers FAQ

How does the Ioff feature function?

The Ioff circuitry disables all outputs when the supply pin is held at 0 V, preventing the device from sourcing or sinking current regardless of input voltages.

What is the maximum latch-up performance rating?

The device exhibits latch-up performance exceeding 250 mA per the JESD 17 specification.