R2023L-E2 Equivalent & Substitute Parts

Part Overview

The R2023L-E2 is a Real Time Clock (RTC) IC manufactured by Nisshinbo Micro Devices Inc., featuring a 2-wire serial interface for timing and clock applications. This component is classified as Last Time Buy, indicating that the original part is no longer in active production and inventory is limited. Identifying equivalent substitute parts is necessary to ensure continued availability for new designs, production continuity, and long-term system support.

Substiute Parts

R2023L-E2

Nisshinbo Micro Devices Inc.In Stock: 956R2023L-E2 Datasheet

Current PartRFQ

R2023T-E2-F

Nisshinbo Micro Devices Inc.In Stock: 5253R2023T-E2-F Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the R2023L-E2 is determined by the following critical parameters:

• Base Product Number: Both the main part and substitute share the R2023 base product number, indicating they belong to the same product family and functional group.
• Manufacturer: Both parts are manufactured by Nisshinbo Micro Devices Inc., ensuring consistent design and performance characteristics.
• Category and Product Type: Both are Clock/Timing category components with Real Time Clock (RTC) IC functionality.
• Interface Specification: Both feature a 2-wire serial interface, ensuring protocol compatibility.
• Packaging: Both are supplied in Tape & Reel (TR) format, maintaining supply chain and assembly compatibility.
• Compliance Standards: Both are RoHS Compliant with identical MSL ratings (1 - Unlimited), ECCN (EAR99), and HTSUS codes (8542.39.0001).

The R2023T-E2-F is qualified as a direct substitute based on these matching parameters.

Parameter Comparison

Engineering Selection Recommendations

The R2023T-E2-F is the manufacturer-recommended substitute for the R2023L-E2. Selection between these parts should be based on the following factors:

For New Designs and Production Continuity: The R2023T-E2-F is the appropriate choice. This part carries Active product status, indicating ongoing manufacturer support and availability. With 5163 units in current inventory, supply chain continuity is assured for production requirements.

For Existing Inventory Management: The R2023L-E2 remains available with 867 units in stock. As a Last Time Buy component, this inventory should be allocated to applications where existing designs are locked and substitution is not feasible.

Compliance and Regulatory Alignment: Both parts maintain identical RoHS compliance, MSL ratings, ECCN classification, and HTSUS codes. No regulatory or environmental compliance barriers exist for substitution.

Supply Chain Considerations: The transition from R2023L-E2 to R2023T-E2-F presents no technical obstacles. Both parts share the same manufacturer, packaging format, interface specification, and functional classification.

Frequently Asked Questions (FAQ)

Q: Can the R2023T-E2-F be used as a direct replacement for the R2023L-E2 in existing designs?

A: Yes. Both parts share identical functional specifications, interface protocols (2-wire serial), packaging format (Tape & Reel), and compliance certifications. No design modifications are required for substitution.

Q: What is the difference between the R2023L-E2 and R2023T-E2-F?

A: The primary difference is product status. The R2023L-E2 is Last Time Buy with limited inventory (867 units), while the R2023T-E2-F is Active with higher inventory availability (5163 units). Both are functionally equivalent Real Time Clock ICs from Nisshinbo Micro Devices Inc.

Q: Are there any packaging compatibility issues when switching from R2023L-E2 to R2023T-E2-F?

A: No. Both parts are supplied in Tape & Reel (TR) packaging, ensuring compatibility with standard pick-and-place assembly equipment and supply chain processes.

Q: Do both parts meet the same environmental and regulatory standards?

A: Yes. Both the R2023L-E2 and R2023T-E2-F are RoHS Compliant, carry MSL rating 1 (Unlimited), share the same ECCN classification (EAR99), and have identical HTSUS codes (8542.39.0001).

Q: Which part should be specified for new production orders?

A: The R2023T-E2-F should be specified for new production orders due to its Active product status and higher inventory availability. This ensures long-term supply chain stability and manufacturer support.

Q: Is the 2-wire serial interface identical between both parts?

A: Yes. Both the R2023L-E2 and R2023T-E2-F feature identical 2-wire serial interface specifications, ensuring protocol compatibility and eliminating the need for firmware or hardware modifications.