Manufacturer Part Number

7130SA70JI

Description

8Kbit dual-port asynchronous SRAM memory chip from Renesas. Enables two devices to access memory space independently at the same time. Designed for fast, parallel data storage and exchange. Integrated in 52-pin PLCC surface mount housing for compact and robust applications. Works in industrial temperature ranges and is suitable for demanding data buffering functions.

Specifications

Memory Type: SRAM (Static Random Access Memory), Dual Port, Asynchronous

Memory Size: 8Kbit (1K x 8 organization)

Access Time: 70ns

Write Cycle Time: 70ns

Supply Voltage: 4.5V to 5.5V

Interface: Parallel

Mounting: Surface Mount (52-PLCC, J-Lead, 19.13x19.13mm)

Operating Temperature: -40°C to +85°C

RoHS Status: Non-compliant

Moisture Sensitivity Level: MSL 3 (168 hours)

Product Status: Obsolete

Inventory: 1044 Pcs New Original In Stock

ECCN: EAR99

HTSUS: 8542.32.0041

Device Structure

Composed of dual ports allowing two independent access routes. Parallel interface for input and output. Standard PLCC package with J-lead pins makes surface mounting straightforward. Built-in independent read and write logic for both ports. X8 data width for simple integration with microprocessors.

Performance Characteristics

Fast random access and write speed with 70ns timing. Dual-port architecture supports simultaneous data transfer by two controllers. Robust operation through a wide temperature range supports industrial use. Low latency and low power compared to DRAM solutions.

Application Environments

Ideal for communication equipment, networking devices, data buffering, FIFOs, and data exchange between two processors. Found in multiprocessor systems requiring shared memory access. Suitable for high-speed data routing, packet switching, and image processing buffers.

Selection Guidelines

Choose this part for legacy designs needing 8Kbit dual-port SRAM in a 52-PLCC package. Make sure your design operates within 4.5V–5.5V. Verify that the 70ns speed is adequate for your timing needs. For new designs, consider newer alternative parts due to obsolete status.

Usage Considerations

Verify RoHS compliance as this part is non-compliant for certain regulated markets. Handle parts and boards with care and observe MSL 3 (must be assembled within 168 hours after opening, otherwise baking may be required). Ensure surface mount process compatibility with 52-PLCC. Plan for long-term availability due to discontinued status. Confirm your supply voltage and temperature requirements match the specification.

Potential Equivalent/Replacement Models

7130LA25JGI is listed as a substitute—verify full compatibility according to your application specs (timing, voltage, package differences may exist). Other equivalent dual-port SRAMs may be available from different manufacturers, but double-check pinout and functional compatibility. If you don’t find a direct or alternative fit, contact Ariat-Tech sales team for sourcing options or further guidance.

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