Renesas Electronics 7130SA100C SRAM Equivalent & Substitute Parts

Part Overview

The Renesas Electronics 7130SA100C is an 8Kbit dual-port asynchronous SRAM with parallel interface, organized as 1K x 8, featuring 100 ns access time and 48-DIP through-hole packaging. This component is classified as obsolete, making substitute parts necessary for new designs and ongoing system support. The part operates within a 4.5V to 5.5V supply range and is rated for 0°C to 70°C operating temperature.

Substiute Parts

7130SA100C

Renesas Electronics CorporationIn Stock: 9727130SA100C Datasheet

Current PartRFQ

7130LA20JG

Renesas Electronics CorporationIn Stock: 9327130LA20JG Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the 7130SA100C is determined by the following critical parameters:

• Memory capacity (8Kbit) and organization (1K x 8)
• Dual-port asynchronous SRAM technology
• Parallel interface configuration
• Supply voltage compatibility (4.5V ~ 5.5V)
• Operating temperature range (0°C ~ 70°C)

The 7130LA20JG qualifies as a functional substitute based on matching memory type, capacity, organization, interface, voltage, and temperature specifications. However, differences in access time, package type, mounting method, and product status must be evaluated for specific application requirements.

Parameter Comparison

Engineering Selection Recommendations

The 7130LA20JG is electrically compatible with the 7130SA100C for applications requiring 8Kbit dual-port asynchronous SRAM with parallel interface. The substitute part offers superior performance characteristics with 20 ns access and write cycle times compared to the original 100 ns specification.

Selection of the 7130LA20JG requires consideration of the following factors:

• Package transition from 48-DIP through-hole to 52-LCC surface-mount requires PCB redesign
• Active product status ensures long-term availability and supply chain continuity
• ROHS3 compliance of the substitute part versus RoHS non-compliance of the original part may be required for regulatory adherence
• Faster access time of the substitute part is backward-compatible with timing-critical applications

Frequently Asked Questions (FAQ)

Q: Can the 7130LA20JG directly replace the 7130SA100C without circuit modification?

A: Electrical substitution is possible due to matching memory capacity, organization, interface, voltage, and temperature specifications. However, package and mounting type differences (48-DIP through-hole versus 52-LCC surface-mount) require PCB redesign and layout changes.

Q: What are the key differences between these parts?

A: The primary differences are access time (100 ns versus 20 ns), package type (48-DIP versus 52-LCC), mounting method (through-hole versus surface-mount), product status (obsolete versus active), and RoHS compliance status.

Q: Is the faster access time of the 7130LA20JG a concern for compatibility?

A: No. The 20 ns access time of the substitute part is faster than the 100 ns specification of the original part, making it suitable for applications designed for the slower component. Timing margins are improved with the substitute.

Q: What is the impact of switching from through-hole to surface-mount packaging?

A: Surface-mount packaging requires different assembly processes, PCB layout modifications, and manufacturing equipment. This transition is not a direct socket replacement and necessitates complete board redesign.

Q: Does RoHS compliance status affect substitution eligibility?

A: RoHS compliance is a regulatory and procurement consideration rather than a functional compatibility factor. The ROHS3-compliant 7130LA20JG may be required for applications subject to RoHS regulations, while the non-compliant 7130SA100C may be restricted in certain markets or applications.