ATF1504AS-10AI100 Equivalent & Substitute Parts

Part Overview

The ATF1504AS-10AI100 is a Complex Programmable Logic Device (CPLD) manufactured by Microchip Technology, featuring 64 macrocells and 64 I/O pins in a 100-TQFP package. This device is classified as obsolete, which necessitates identification of functionally equivalent alternatives for ongoing design support and procurement requirements. The part operates with a maximum propagation delay of 10 ns and supports in-system programming with a minimum of 10,000 program/erase cycles.

Substiute Parts

ATF1504AS-10AI100

Microchip TechnologyIn Stock: 1747ATF1504AS-10AI100 Datasheet

Current PartRFQ

ATF1504AS-10AU100

Microchip TechnologyIn Stock: 1563ATF1504AS-10AU100 Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the ATF1504AS-10AI100 is determined by strict equivalence across the following critical parameters:

• Macrocell count: 64
• I/O pin count: 64
• Maximum propagation delay: 10 ns
• Supply voltage range: 4.5V ~ 5.5V
• Operating temperature range: -40°C ~ 85°C
• Package type: 100-TQFP (14x14)
• Programmable type: In System Programmable
• Mounting type: Surface Mount

The ATF1504AS-10AU100 meets all electrical and mechanical substitution criteria. The primary distinction between these parts is packaging format (tray versus tube) and product status (active versus obsolete).

Parameter Comparison

Engineering Selection Recommendations

The ATF1504AS-10AU100 is the direct functional equivalent of the ATF1504AS-10AI100. Both devices share identical electrical specifications, pin configurations, and performance characteristics. The ATF1504AS-10AU100 is preferred for new designs and ongoing procurement due to its active product status and ROHS3 compliance. The obsolete status of the ATF1504AS-10AI100 makes the active ATF1504AS-10AU100 the appropriate selection for component replacement and supply chain continuity.

Frequently Asked Questions (FAQ)

Q: Are the ATF1504AS-10AI100 and ATF1504AS-10AU100 pin-compatible?

A: Yes. Both devices feature identical 100-TQFP packages with 14x14 mm dimensions and 64 I/O pins in the same configuration.

Q: What is the difference between the tube and tray packaging formats?

A: Tube packaging (AI suffix) and tray packaging (AU suffix) are different delivery formats for the same device. Tube packaging is typically used for lower-volume orders, while tray packaging is standard for higher-volume production orders. The electrical and functional characteristics are identical.

Q: Can the ATF1504AS-10AU100 replace the ATF1504AS-10AI100 in existing designs?

A: Yes. The ATF1504AS-10AU100 is electrically and mechanically equivalent and can be used as a direct replacement without design modifications.

Q: Why is the ATF1504AS-10AI100 marked as obsolete?

A: The ATF1504AS-10AI100 has been discontinued by Microchip Technology. The ATF1504AS-10AU100 remains in active production and is the recommended alternative for all applications.

Q: What is the significance of ROHS3 compliance?

A: ROHS3 compliance indicates the device meets the Restriction of Hazardous Substances Directive requirements. The ATF1504AS-10AU100 meets these environmental standards, while the obsolete ATF1504AS-10AI100 does not.

Q: Are the propagation delay specifications identical?

A: Yes. Both devices have a maximum propagation delay (tpd) of 10 ns, ensuring equivalent timing performance in circuit applications.