Parallel Output Register/Latch: Bit Width 4-bit to 64-bit

Q: What is the difference between a register and a latch in this context?

In deserializer applications, registers are typically edge-triggered (capture data on clock edges) while latches are level-sensitive (transparent when enable signal is active). Both serve similar storage functions but differ in timing behavior.

Q: How does clock synchronization affect parallel output performance?

Clock synchronization ensures all bits are captured simultaneously, minimizing skew between output lines. Proper clock distribution is critical for maintaining data integrity during high-speed serial-to-parallel conversion.

Component Specifications

Definition

The parallel output register/latch is a critical component in deserializer (serial-in parallel-out) systems, designed to temporarily store digital data bits received serially and present them simultaneously on multiple output lines. It functions as an intermediate buffer that synchronizes data conversion from serial to parallel formats, ensuring stable output signals for downstream processing units. This component typically features clock-controlled latching mechanisms, enabling precise timing for data capture and retention during transmission cycles.

Working Principle

The register/latch operates by receiving serial data bits sequentially through a single input line. Upon receiving a clock signal or control pulse, it captures the current state of the input and stores it internally. Multiple bits are accumulated over successive clock cycles until the register is full. Once the required number of bits is stored, all bits are simultaneously presented on parallel output lines. The latching mechanism maintains the output state until the next update cycle, preventing data corruption during read operations.

Materials

Semiconductor materials (silicon, gallium arsenide), copper interconnects, dielectric layers (SiO2, Si3N4), encapsulation materials (epoxy molding compounds), lead frame alloys (copper alloys, Alloy 42)

Technical Parameters

Parameter	Typical range	Notes & selection driver
Bit Width	4-bit to 64-bit
Hold Time	0.3 ns
Setup Time	0.5 ns
Package Type	QFN, BGA, SOIC
Power Supply	1.2V to 3.3V
Clock Frequency	Up to 5 GHz
Propagation Delay	< 1 ns
Operating Temperature	-40°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

IEC 60747, JEDEC JESD78

Parent Products

This component is used in the following industrial products

Deserializer (Serial-in Parallel-out)

A digital circuit component that converts serial data streams into parallel data outputs.

View Product Details

Engineering Analysis

Risks & Mitigation

Clock skew causing data corruption
Metastability during asynchronous inputs
Power supply noise affecting output stability
Thermal issues at high frequencies

FMEA Triads

Trigger: Clock signal jitter exceeding timing margins
Failure: Incorrect data capture leading to parallel output errors
Mitigation: Implement clock conditioning circuits with jitter attenuation and use setup/hold time guard bands

Trigger: Power supply voltage droop during switching
Failure: Output signal degradation and potential logic errors
Mitigation: Incorporate decoupling capacitors near power pins and implement power integrity analysis

Industrial Ecosystem

Compatible With

Typical Suppliers & Equivalents

Compliance & Inspection

Tolerance

±5% for timing parameters, ±2% for voltage levels

Test Method

JEDEC JESD22 test methods for electrical characteristics, including propagation delay measurement using high-speed oscilloscopes and bit error rate testing with pattern generators

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

Check the legal entity, factory address, ownership, certifications, and direct contacts.

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

Manufacturers of Parallel Output Register/Latch

Manufacturer profiles associated with Parallel Output Register/Latch.

Sourcing Parallel Output Register/Latch from China?

Tell us your specification and target quantity — we will match it against manufacturer records and come back with the factories that fit.

Request manufacturers We manufacture this

Manufacturer listings support early research and capability understanding. They are not certification, ranking, or transaction guarantees.

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

Related Components

Marking Ink

Specialized ink for permanent identification on surface mount resistors during manufacturing.

Dielectric Layer

Insulating layer in surface mount capacitors that stores electrical energy through polarization.

Optical Window

Transparent optical component for light transmission in polycarbonate lens housings

PCB Substrate

PCB substrate is the foundational insulating layer that provides mechanical support and electrical connectivity for electronic components in high-speed memory modules.

Frequently Asked Questions

What is the difference between a register and a latch in this context?