ATF16V8C-7JC Equivalent & Substitute Parts

Part Overview

The ATF16V8C-7JC is a 16V8 Programmable Logic Device (PLD) IC featuring 8 macrocells with 7.5 ns propagation delay, housed in a 20-PLCC surface mount package. This component is classified as obsolete, which necessitates identification of functionally equivalent alternatives for ongoing design support and production requirements. The part operates at 5V input voltage and is suitable for embedded logic applications requiring programmable configuration.

Substiute Parts

ATF16V8C-7JC

Microchip TechnologyIn Stock: 2178ATF16V8C-7JC Datasheet

Current PartRFQ

ATF16V8C-7JU

Microchip TechnologyIn Stock: 1557ATF16V8C-7JU Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the ATF16V8C-7JC is determined by strict equivalence across the following critical parameters:

• Series and Macrocell Count: Both parts must belong to the 16V8 series with 8 macrocells to maintain functional compatibility with existing programmable logic designs.
• Speed Specification: 7.5 ns propagation delay is a fixed requirement for timing-critical applications.
• Voltage Rating: 5V input voltage compatibility is mandatory for circuit integration.
• Programmable Type: EE PLD (Electrically Erasable Programmable Logic Device) technology ensures reprogrammability and design flexibility.
• Package Configuration: 20-PLCC (9x9) surface mount package ensures mechanical and electrical compatibility with existing PCB layouts.
• Moisture Sensitivity: MSL 2 classification indicates identical moisture handling requirements.

The ATF16V8C-7JU qualifies as a direct substitute based on complete alignment with all specified parameters.

Parameter Comparison

Engineering Selection Recommendations

The ATF16V8C-7JU is the qualified substitute for the ATF16V8C-7JC. Selection rationale is based on the following factors:

Product Status: The ATF16V8C-7JU maintains active product status with Microchip Technology, ensuring continued availability and manufacturing support. The original ATF16V8C-7JC is obsolete, making the substitute necessary for new production and long-term supply chain continuity.

Compliance and Certifications: The ATF16V8C-7JU achieves ROHS3 compliance, whereas the original part is RoHS non-compliant. This upgrade provides environmental regulatory alignment for applications subject to RoHS directives. Both parts maintain identical REACH Unaffected and ECCN 3A991D classifications.

Programmable Verification: The ATF16V8C-7JU is verified as programmable through DiGi-Electronics, confirming functional reprogrammability. The original part's programmable status is not verified, introducing uncertainty in design validation.

Electrical and Mechanical Equivalence: All critical electrical parameters (voltage, speed, macrocell count, programmable type) and mechanical specifications (package, mounting, MSL) are identical, ensuring direct functional substitution without design modification.

Frequently Asked Questions (FAQ)

Q: Can the ATF16V8C-7JU be used as a direct replacement for the ATF16V8C-7JC without PCB redesign?

A: Yes. Both parts share identical package configuration (20-PLCC 9x9), mounting type (surface mount), and electrical specifications (5V, 7.5 ns, 8 macrocells). No PCB layout modifications are required.

Q: What is the difference between the -7JC and -7JU suffix designations?

A: The suffix indicates packaging format. The -7JC variant uses standard packaging, while the -7JU variant uses tube packaging. This distinction does not affect electrical performance or functional compatibility.

Q: Is the ATF16V8C-7JU compatible with existing firmware programmed for the ATF16V8C-7JC?

A: Yes. Both parts implement identical EE PLD technology with 8 macrocells and 7.5 ns timing. Existing programmable logic designs are directly compatible without modification.

Q: Why is RoHS3 compliance important for the substitute part?

A: RoHS3 compliance ensures the part meets current environmental and regulatory standards for restricted hazardous substances. This is critical for applications subject to EU RoHS directives and similar regulatory frameworks in other regions.

Q: Are there any inventory or lead time considerations when transitioning from ATF16V8C-7JC to ATF16V8C-7JU?

A: The ATF16V8C-7JU maintains active production status with 1498 units in stock, ensuring reliable availability. The original ATF16V8C-7JC is obsolete with limited remaining inventory (2090 units), making transition to the substitute necessary for long-term supply security.

Q: What is the Moisture Sensitivity Level (MSL) rating, and why is it identical for both parts?

A: MSL 2 (1 Year) indicates the component can be stored in standard conditions for up to one year before soldering. Identical MSL ratings ensure equivalent handling, storage, and assembly requirements with no process changes needed.