Equivalent & Substitute Parts for 7205L20TP

Part Overview

The 7205L20TP is an asynchronous FIFO (First-In-First-Out) memory IC manufactured by Renesas Electronics Corporation. This device provides 72K bits of storage (8K x 9 organization) with a 20ns access time and 33.3MHz data rate in a 28-pin DIP package. The part is classified as obsolete, indicating it has been discontinued by the manufacturer. Identifying equivalent substitute parts is necessary to maintain design continuity and ensure component availability for new production runs, repairs, and system upgrades.

Substiute Parts

7205L20TP

Renesas Electronics CorporationIn Stock: 8517205L20TP Datasheet

Current PartRFQ

7205L12TPG

Renesas Electronics CorporationIn Stock: 11647205L12TPG Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the 7205L20TP is determined by the following critical parameters:

• Memory Organization: Must maintain 72K (8K x 9) configuration
• Function Type: Must be asynchronous FIFO
• Bus Architecture: Must be uni-directional
• Package Format: Must be 28-DIP (0.300", 7.62mm) for mechanical and electrical compatibility
• Voltage Supply Range: Must operate within 4.5V ~ 5.5V
• Mounting Technology: Must support through-hole mounting

The 7205L12TPG qualifies as a direct substitute because it maintains identical memory organization, function type, bus architecture, package format, voltage supply range, and mounting technology. The substitute part offers improved electrical performance characteristics (12ns access time and 50MHz data rate) while maintaining full backward compatibility with the original design.

Parameter Comparison

Engineering Selection Recommendations

The 7205L12TPG is the qualified substitute for the 7205L20TP based on the following engineering criteria:

Product Status: The 7205L20TP is obsolete and no longer manufactured. The 7205L12TPG maintains active production status, ensuring long-term component availability and supply chain reliability.

Compliance and Certifications: The 7205L12TPG is ROHS3 compliant, meeting current environmental and regulatory requirements. The original 7205L20TP is RoHS non-compliant, making the substitute the preferred choice for new designs and compliance-sensitive applications.

Electrical Performance: The substitute part provides superior electrical characteristics with 12ns access time and 50MHz data rate compared to the original 20ns and 33.3MHz specifications. These improvements are backward compatible and do not introduce timing conflicts in systems designed for the original part.

Mechanical and Electrical Compatibility: Both parts share identical package format (28-DIP), voltage supply range (4.5V ~ 5.5V), and mounting technology (through-hole), ensuring direct pin-for-pin compatibility without circuit board modifications.

Frequently Asked Questions (FAQ)

Q: Can the 7205L12TPG be used as a direct replacement for the 7205L20TP without circuit modifications?

A: Yes. The 7205L12TPG is a direct pin-for-pin substitute. Both parts use the 28-DIP package with identical pinout, voltage supply range, and operating temperature specifications. No circuit board layout changes are required.

Q: What are the key differences between the 7205L20TP and 7205L12TPG?

A: The primary differences are access time (20ns vs. 12ns), data rate (33.3MHz vs. 50MHz), product status (obsolete vs. active), and RoHS compliance (non-compliant vs. ROHS3 compliant). The substitute offers faster performance and current regulatory compliance.

Q: Is the faster access time of the 7205L12TPG compatible with designs originally specified for the 7205L20TP?

A: Yes. The 7205L12TPG's faster access time (12ns) is fully backward compatible with systems designed for the 7205L20TP (20ns). Faster components do not introduce timing violations in circuits designed for slower parts.

Q: What is the memory organization of both parts?

A: Both the 7205L20TP and 7205L12TPG feature identical memory organization: 72K bits total capacity with 8K words by 9 bits per word configuration.

Q: Are there any packaging or mounting differences between these parts?

A: No. Both parts are supplied in 28-DIP (0.300", 7.62mm) packages with through-hole mounting technology. They are mechanically and electrically interchangeable.

Q: Why is RoHS compliance important for this substitution?

A: ROHS3 compliance ensures the substitute part meets current environmental regulations and is suitable for applications requiring regulatory adherence. The original 7205L20TP's non-compliance status makes it unsuitable for new designs in regulated industries.

Q: What is the current supply requirement for both parts?

A: Both the 7205L20TP and 7205L12TPG have identical maximum supply current specifications of 120mA at nominal operating voltage.