Equivalent & Substitute Parts for 7133SA20J

Part Overview

The 7133SA20J is a 32Kbit dual-port asynchronous SRAM manufactured by Renesas Electronics Corporation, packaged in a 68-PLCC surface mount configuration. This memory IC operates at 4.5V to 5.5V with a 20 ns access time and is organized as 2K x 16 bits. The part is currently classified as obsolete, making identification of compatible substitute components essential for system maintenance, repair, and legacy equipment support.

Substiute Parts

7133SA20J

Renesas Electronics CorporationIn Stock: 7667133SA20J Datasheet

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7133LA20JG

Renesas Electronics CorporationIn Stock: 9957133LA20JG Datasheet

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Key Parameters

Substitute Part Grouping Explanation

Substitution of the 7133SA20J is determined by strict equivalence across the following critical parameters:

• Memory capacity and organization (32Kbit, 2K x 16 configuration)
• Memory technology (dual-port asynchronous SRAM)
• Electrical specifications (20 ns access and write cycle times, 4.5V–5.5V supply voltage)
• Operating temperature range (0°C to 70°C)
• Physical package (68-PLCC surface mount, 24.21x24.21 mm footprint)
• Parallel memory interface

The 7133LA20JG meets all these criteria and is identified as a direct substitute. Both parts share identical memory architecture, timing characteristics, and package specifications, ensuring functional and mechanical compatibility in applications requiring 32Kbit dual-port SRAM with 20 ns performance.

Parameter Comparison

Engineering Selection Recommendations

The 7133LA20JG is the qualified substitute for the obsolete 7133SA20J. Both components are manufactured by Renesas Electronics Corporation and provide identical electrical and mechanical performance. The primary distinction is product status and regulatory compliance: the 7133LA20JG is currently in active production and meets ROHS3 compliance requirements, whereas the 7133SA20J is obsolete and non-compliant with current RoHS standards.

For new designs or system replacements, the 7133LA20JG is the appropriate selection. Both parts maintain equivalent moisture sensitivity levels and are subject to identical handling and storage requirements. The 68-PLCC package footprint and pinout are identical, permitting direct board-level substitution without design modification.

Frequently Asked Questions (FAQ)

Q: Can the 7133LA20JG directly replace the 7133SA20J in existing applications?

A: Yes. Both parts are electrically and mechanically equivalent. The 7133LA20JG provides identical memory capacity, organization, access time, supply voltage range, and operating temperature specifications. The 68-PLCC package footprint and pinout are identical, enabling direct substitution without circuit board redesign.

Q: What is the primary reason to substitute the 7133SA20J?

A: The 7133SA20J is classified as obsolete. The 7133LA20JG is the active production equivalent, ensuring long-term component availability and supply chain continuity.

Q: Are there differences in RoHS compliance between these parts?

A: Yes. The 7133SA20J is RoHS non-compliant, while the 7133LA20JG is ROHS3 compliant. For applications subject to RoHS regulations or environmental compliance requirements, the 7133LA20JG is the required selection.

Q: Do both parts have the same moisture sensitivity level?

A: Yes. Both the 7133SA20J and 7133LA20JG are classified as MSL 3 (168 Hours), requiring identical handling, storage, and reflow procedures.

Q: Are the electrical specifications identical?

A: Yes. Both parts operate at 4.5V to 5.5V, provide 20 ns access and write cycle times, support 0°C to 70°C operating temperature, and feature dual-port asynchronous SRAM architecture with 32Kbit capacity organized as 2K x 16 bits.

Q: What packaging options are available?

A: Both parts are supplied in 68-PLCC surface mount packages with 24.21x24.21 mm dimensions. The 7133LA20JG is available in tube packaging, while the 7133SA20J packaging specification is not detailed in available data.