Configuration Memory Cells: Operating Voltage 1.2V to 3.3V

Component Specifications

Definition

Configuration memory cells are specialized non-volatile memory elements embedded within programmable interconnect devices, such as FPGAs (Field-Programmable Gate Arrays) or CPLDs (Complex Programmable Logic Devices). They store binary configuration data that determines the electrical connections between logic blocks, I/O pins, and routing resources. These cells maintain their state without power, enabling the device to retain its programmed functionality across power cycles. They are typically arranged in arrays and accessed during configuration to establish the desired circuit architecture.

Working Principle

Configuration memory cells operate by storing charge in a floating gate or using antifuse technology to represent binary states (0 or 1). In floating-gate designs, charge is trapped in an insulated gate to alter the threshold voltage of a transistor, defining its state. In antifuse-based designs, an initially high-resistance link is permanently programmed to a low-resistance state by applying a voltage, creating a permanent connection. During device operation, the stored data controls switches or multiplexers to route signals through the interconnect fabric, implementing the user-defined logic and routing configuration.

Materials

Silicon substrate with CMOS technology, incorporating polysilicon floating gates (for EPROM/EEPROM-based cells) or amorphous silicon/oxide layers (for antifuse cells). Dielectric materials include silicon dioxide and silicon nitride for insulation.

Technical Parameters

Parameter	Typical range	Notes & selection driver
Cell Size	Typically 0.1-1.0 μm² per bit
Endurance	10^3 to 10^6 write cycles (varies by technology)
Access Time	<100 ns for read operations
Storage Type	Non-volatile (Flash, EEPROM, Antifuse)
Retention Time	>10 years
Operating Voltage	1.2V to 3.3V

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 60749, JEDEC JESD22

Parent Products

This component is used in the following industrial products

Programmable Interconnect

Configurable routing network within a Processing Logic Array that enables dynamic connections between logic blocks and I/O elements.

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Engineering Analysis

Risks & Mitigation

Data corruption due to radiation or electrical noise
Limited endurance leading to wear-out failures
Configuration errors from faulty programming

FMEA Triads

Trigger: Charge leakage in floating-gate cells
Failure: Data loss or bit flips
Mitigation: Use error-correcting codes (ECC) and robust dielectric materials

Trigger: Overvoltage during programming
Failure: Permanent damage to antifuse or transistor
Mitigation: Implement voltage regulators and current limiting in programming circuits

Trigger: Thermal stress
Failure: Degradation of retention characteristics
Mitigation: Design for operating temperature ranges and use thermal management

Industrial Ecosystem

Compatible With

Typical Suppliers & Equivalents

Compliance & Inspection

Tolerance

±5% for voltage thresholds, data retention within specification over temperature range -40°C to 125°C

Test Method

JEDEC standards for data retention, endurance cycling, and electrical characterization

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 Configuration Memory Cells

Manufacturer profiles associated with Configuration Memory Cells.

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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 configuration memory cells in programmable devices?

They store the configuration data that defines how logic blocks and routing resources are interconnected, allowing the device to implement custom digital circuits.

How do configuration memory cells retain data without power?

They use non-volatile technologies like floating-gate charge storage or antifuse links, which maintain their state permanently or semi-permanently without external power.

Can configuration memory cells be reprogrammed?

Yes, in technologies like Flash or EEPROM, they can be erased and reprogrammed multiple times, while antifuse-based cells are one-time programmable (OTP).

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.

Configuration Memory Cells