Output Enable Control: Enable Current 10-100 μA typical

Component Specifications

Definition

Output Enable Control is a critical electronic component within Line Driver/Receiver Integrated Circuits that functions as a digital gatekeeper for signal transmission. It receives enable/disable commands from the system controller and regulates whether the driver circuit can transmit signals to connected receivers or communication lines. This component prevents signal collisions, reduces power consumption during idle periods, and enables multi-device communication protocols by selectively activating transmission channels.

Working Principle

The Output Enable Control operates as a digital logic gate that sits between the input data signals and the driver amplification stage. When the enable pin receives a HIGH logic signal (typically 3.3V or 5V), the control circuit allows data signals to pass through to the driver stage for transmission. When the enable pin receives a LOW logic signal, the control circuit blocks data transmission and places the output stage in a high-impedance state (tri-state), effectively disconnecting the driver from the transmission line. This enables multiple devices to share the same communication bus without interference.

Materials

Semiconductor silicon substrate with doped regions forming transistors, aluminum or copper interconnects, silicon dioxide insulation layers, and protective epoxy or ceramic packaging.

Technical Parameters

Parameter	Typical range	Notes & selection driver
Package Type	SOIC, TSSOP, QFN
Enable Current	10-100 μA typical
Enable Voltage Low	0.8V max (for 3.3V logic)
Enable Voltage High	2.0V min (for 3.3V logic)
Output Disable Time	15-60 ns typical
Enable Response Time	10-50 ns typical
Operating Temperature	-40°C to +85°C

Ranges are indicative industry figures for RFQ preparation, not a supplier commitment. Confirm every value and standard with the legal manufacturer before ordering.

Standards

ISO 11898, ISO 9141, DIN 72551

Parent Products

This component is used in the following industrial products

Line Driver/Receiver IC

Integrated circuit that transmits and receives digital signals over communication lines with enhanced signal integrity.

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Engineering Analysis

Risks & Mitigation

Enable signal noise causing unintended transmission
Timing mismatches leading to bus contention
ESD damage to enable input pins
Latch-up conditions during hot-plugging

FMEA Triads

Trigger: Enable pin floating or unconnected
Failure: Unpredictable transmission behavior, possible continuous transmission blocking
Mitigation: Implement pull-up or pull-down resistors on enable inputs, add input buffer circuits

Trigger: Enable signal timing violation
Failure: Bus contention, data corruption, signal reflections
Mitigation: Implement proper timing analysis, add synchronization circuits, use Schmitt trigger inputs

Industrial Ecosystem

Compatible With

Typical Suppliers & Equivalents

Compliance & Inspection

Tolerance

±5% on enable threshold voltages, ±10% on timing parameters across temperature range

Test Method

Digital logic analyzer verification, enable/disable timing measurement, high-impedance state verification using impedance testing

Procurement Evaluation Criteria

A practical evidence checklist for RFQ preparation and supplier evaluation.

Technical documentation

Request current drawings, revision history, and a signed specification sheet.

Manufacturing capability

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Inspection readiness

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Supplier transparency

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Manufacturers of Output Enable Control

Manufacturer profiles associated with Output Enable Control.

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Compiled and source-reviewed by the CNFX editorial team. Each manufacturer above links to the page on that company's own website where the product is listed, with the date we checked it. How we source and review

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Frequently Asked Questions

What is the purpose of Output Enable Control in industrial communication systems?

Output Enable Control prevents signal collisions on shared communication buses by allowing only one device to transmit at a time, enables power saving by disabling unused transmitters, and facilitates multi-drop network configurations where multiple devices share the same communication lines.

How does Output Enable Control differ from simple on/off switching?

Unlike basic switching, Output Enable Control provides controlled transition to high-impedance state (tri-state) rather than just cutting power, ensuring clean signal termination without reflections or interference, and typically operates at nanosecond speeds for real-time communication control.

Data Basis

Editorial classification, named public sources where available, and source-reviewed manufacturer records. See the editorial policy.

Preliminary Technical Classification

This page supports structured research, RFQ preparation, and supplier evaluation. It does not replace buyer-led supplier qualification, standards review, or technical approval.

Output Enable Control