INDUSTRY COMPONENT

Parallel Input Register

A parallel input register is a digital storage component that temporarily holds multiple bits of data simultaneously before serial transmission in PISO converters.

Component Specifications

Definition
The parallel input register is a critical component in Parallel-to-Serial (PISO) converters that functions as temporary storage for multiple data bits received in parallel format. It consists of multiple flip-flops or latches arranged in parallel, each storing one bit of the input data word. The register captures all bits simultaneously on a clock edge or enable signal, maintaining data integrity during the conversion process from parallel to serial format. This component ensures synchronized data handling and prevents data loss during high-speed serial transmission operations.
Working Principle
The parallel input register operates by using multiple D-type flip-flops or latches connected in parallel. When a clock pulse or load signal is applied, all flip-flops simultaneously capture the logic levels present at their data inputs. The stored data remains stable until the next clock cycle or until a clear/reset signal is received. In PISO applications, this register holds the complete parallel data word while a shift register sequentially outputs the bits one at a time. The fundamental principle involves synchronous data capture and temporary storage using bistable multivibrator circuits.
Materials
Semiconductor silicon (CMOS/BiCMOS technology), copper interconnects, silicon dioxide insulation, ceramic or plastic packaging materials, gold bonding wires
Technical Parameters
  • Hold Time 1 ns typical
  • Data Width 4-bit to 64-bit configurations
  • Setup Time 2 ns typical
  • Output Drive 24 mA sink/source
  • Power Supply 3.3V or 5V DC
  • Clock Frequency Up to 500 MHz
  • Input Capacitance 5 pF per pin
  • Propagation Delay 5 ns maximum
  • Operating Temperature -40°C to +85°C
Standards
ISO 9001, IEC 60747, JEDEC JESD78

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Parallel Input Register.

Parent Products

This component is used in the following industrial products

Engineering Analysis

Risks & Mitigation
  • Clock skew causing data capture errors
  • Metastability in asynchronous inputs
  • Power supply noise affecting data integrity
  • Electrostatic discharge damage
  • Thermal runaway in high-frequency operation
FMEA Triads
Trigger: Clock signal jitter or skew
Failure: Incorrect data capture timing leading to bit errors
Mitigation: Implement clock distribution networks with balanced delays, use PLL/DLL for clock synchronization, add timing margin in design
Trigger: Power supply voltage fluctuations
Failure: Unreliable data storage and potential data corruption
Mitigation: Implement decoupling capacitors near power pins, use voltage regulators with low noise, design with power supply rejection ratio (PSRR) considerations
Trigger: Electrostatic discharge (ESD) events
Failure: Permanent damage to semiconductor components
Mitigation: Incorporate ESD protection diodes at all I/O pins, follow proper handling procedures, use antistatic packaging and workstations

Industrial Ecosystem

Compatible With

Interchangeable Parts

Compliance & Inspection

Tolerance
±5% for timing parameters, ±10% for voltage levels, data retention within specification across full temperature range
Test Method
Automated test equipment (ATE) with functional pattern testing, boundary scan (JTAG) for connectivity verification, parametric testing for timing and voltage specifications

Buyer Feedback

★★★★☆ 4.7 / 5.0 (17 reviews)

"Standard OEM quality for Computer, Electronic and Optical Product Manufacturing applications. The Parallel Input Register arrived with full certification."

"Great transparency on the Parallel Input Register components. Essential for our Computer, Electronic and Optical Product Manufacturing supply chain."

"The Parallel Input Register we sourced perfectly fits our Computer, Electronic and Optical Product Manufacturing production line requirements."

Related Components

Storage Module
Industrial-grade storage module for data logging and firmware in IoT gateways
Ethernet Controller
Industrial Ethernet controller for real-time data transmission in Industrial IoT Gateways.
Serial Interface
Serial interface for industrial data transmission between IoT gateways and legacy equipment using RS-232/422/485 protocols.
I/O Connectors
Industrial I/O connectors are ruggedized interfaces that enable reliable data and power transmission between sensors, actuators, and Industrial IoT Gateways in harsh environments.

Frequently Asked Questions

What is the primary function of a parallel input register in PISO converters?

The primary function is to temporarily store multiple bits of parallel input data simultaneously, ensuring data integrity during the conversion to serial output format.

How does the parallel input register differ from a shift register?

A parallel input register captures all bits simultaneously and holds them statically, while a shift register sequentially moves bits through a chain. In PISO systems, the parallel register feeds into a shift register for serial output.

What are the key timing parameters for parallel input registers?

Critical timing parameters include setup time (data must be stable before clock edge), hold time (data must remain stable after clock edge), and propagation delay (time from clock to output stabilization).

Can I contact factories directly?

Yes, each factory profile provides direct contact information.

Get Quote for Parallel Input Register

Parallel Input Buffer Parallel Output Register/Latch