7201LA12J Equivalent & Substitute Parts

Part Overview

The 7201LA12J is an asynchronous FIFO (First-In-First-Out) memory IC manufactured by Renesas Electronics Corporation. This device provides 4.5K storage capacity (512 x 9 bits) with a 12ns access time and operates at data rates up to 50MHz. The component is packaged in a 32-PLCC (14x11.46mm) surface mount configuration.

The 7201LA12J carries an obsolete product status. Locating equivalent or substitute components is necessary for system maintenance, repair, and legacy design support where original inventory is depleted or unavailable.

Substiute Parts

7201LA12J

Renesas Electronics CorporationIn Stock: 8527201LA12J Datasheet

Current PartRFQ

7201LA12JG

Renesas Electronics CorporationIn Stock: 7547201LA12JG Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the 7201LA12J is determined by strict equivalence across the following critical parameters:

• Memory capacity: 4.5K (512 x 9 bits)
• Function type: Asynchronous operation
• Data rate: 50MHz maximum
• Access time: 12ns
• Supply voltage range: 4.5 V ~ 5.5 V
• Current consumption: 80mA maximum
• Bus configuration: Uni-Directional
• Package type: 32-PLCC (14x11.46mm)
• Operating temperature range: 0°C ~ 70°C

The 7201LA12JG meets all electrical and mechanical parameters required for direct substitution. Differences in product status, packaging format, and compliance certifications do not affect functional compatibility in circuit applications.

Parameter Comparison

Engineering Selection Recommendations

The 7201LA12JG is a direct functional equivalent to the 7201LA12J. Both devices share identical electrical specifications, memory architecture, and physical packaging.

Selection between these parts should be based on:

• Product availability: The 7201LA12J is obsolete; the 7201LA12JG maintains active production status and current inventory.
• Compliance requirements: The 7201LA12JG meets ROHS3 compliance standards, whereas the 7201LA12J is non-compliant. Systems requiring RoHS certification must use the 7201LA12JG.
• Moisture handling: The 7201LA12JG specifies MSL 3 (168 hours), requiring controlled storage and handling. The 7201LA12J specifies MSL 1 (unlimited), allowing standard storage conditions.
• Supply chain continuity: The 7201LA12JG is the recommended choice for new designs and ongoing production due to active manufacturer support.

Frequently Asked Questions (FAQ)

Q: Can the 7201LA12JG replace the 7201LA12J in existing circuit designs?

A: Yes. The 7201LA12JG is electrically and mechanically equivalent. All functional parameters, pin configurations, and performance characteristics are identical. No circuit modifications are required.

Q: What is the difference between the two part numbers?

A: The primary differences are product status (obsolete vs. active), RoHS compliance certification, and moisture sensitivity level. Electrical and functional performance are identical.

Q: Are there any compatibility concerns with the 32-PLCC package?

A: No. Both parts use the identical 32-PLCC (14x11.46mm) J-Lead surface mount package. PCB footprints, reflow profiles, and assembly processes are unchanged.

Q: Why does the 7201LA12JG have a higher moisture sensitivity level?

A: MSL 3 (168 hours) is standard for modern production components. This requires storage in controlled humidity environments and use of desiccant packaging. MSL 1 components are no longer manufactured. Proper handling procedures eliminate any practical impact on reliability.

Q: Which part should be selected for new designs?

A: The 7201LA12JG is the appropriate choice for new designs. It maintains active production status, meets current compliance standards, and ensures long-term supply chain availability.