CMOS Flip-Flops: Output Current ±4 mA (standard)

Component Specifications

Definition

CMOS flip-flops are integrated circuits that utilize Complementary Metal-Oxide-Semiconductor technology to create bistable multivibrators. They serve as fundamental memory elements in digital systems, capable of storing one bit of binary data (0 or 1) and changing state only at specific clock signal transitions. In CMOS counter circuits, they form sequential logic stages that enable counting operations through controlled state changes.

Working Principle

CMOS flip-flops operate using cross-coupled CMOS inverters to create two stable states. They typically use clocked input signals (like D, JK, or T inputs) to control when data is stored. When the clock signal transitions (edge-triggered) or reaches a specific level (level-triggered), the input data is latched and maintained until the next valid clock event. This synchronization allows precise timing in counter circuits where multiple flip-flops cascade to count binary sequences.

Materials

Silicon substrate with CMOS fabrication: p-type and n-type doped regions, silicon dioxide insulation layers, polysilicon gates, aluminum or copper interconnects, and protective passivation layers.

Technical Parameters

Parameter	Typical range	Notes & selection driver
Package Types	DIP, SOIC, TSSOP
Output Current	±4 mA (standard)
Supply Voltage	3V to 18V (standard CMOS)
Clock Frequency	Up to 100 MHz
Power Consumption	Low static power (nW range)
Propagation Delay	10-50 ns
Operating Temperature	-55°C to 125°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 9001, IEC 60747, JEDEC JESD78

Parent Products

This component is used in the following industrial products

CMOS Counter Circuit

A CMOS counter circuit is a digital integrated circuit that counts clock pulses and tracks time intervals, commonly used in real-time clock systems.

View Product Details

Engineering Analysis

Risks & Mitigation

Electrostatic discharge damage
Latch-up condition from voltage spikes
Clock signal timing violations
Power supply sequencing issues
Signal integrity degradation at high frequencies

FMEA Triads

Trigger: Electrostatic discharge during handling
Failure: Gate oxide breakdown causing permanent damage
Mitigation: Implement ESD protection protocols, use grounded workstations, and specify ESD-rated packaging

Trigger: Excessive input voltage beyond specifications
Failure: Latch-up condition leading to thermal runaway and destruction
Mitigation: Add voltage clamping circuits, implement proper power sequencing, and design within voltage margins

Trigger: Clock signal timing violations (setup/hold time)
Failure: Metastability causing unpredictable output states
Mitigation: Follow timing specifications strictly, add synchronization circuits for asynchronous inputs, and use proper clock distribution

Industrial Ecosystem

Compatible With

Typical Suppliers & Equivalents

Compliance & Inspection

Tolerance

±10% for timing parameters, ±5% for voltage thresholds

Test Method

JEDEC JESD22-A114 for ESD, MIL-STD-883 Method 3015 for latch-up, functional testing with automated test equipment (ATE)

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

Verify equipment lists, process limits, capacity, and representative production evidence.

Inspection readiness

Confirm test methods, calibrated equipment, sampling plans, and traceable reports.

Supplier transparency

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CNFX does not score or rank suppliers. Buyers must verify all claims and documents with the legal manufacturer before ordering.

Manufacturers of CMOS Flip-Flops

Manufacturer profiles associated with CMOS Flip-Flops.

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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 main difference between CMOS and TTL flip-flops?

CMOS flip-flops have much lower power consumption, wider voltage range (3-18V), and higher noise immunity compared to TTL flip-flops, but typically have slower switching speeds.

Why are CMOS flip-flops preferred in battery-powered devices?

Due to their extremely low static power consumption - they only draw significant current during state transitions, making them ideal for portable and battery-operated equipment.

How do CMOS flip-flops prevent data corruption in noisy environments?

They incorporate Schmitt trigger inputs and have high input impedance with good noise margins (typically 30% of supply voltage), reducing false triggering from electrical noise.

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.

CMOS Flip-Flops