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7140SA25PF8
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Product Detailed Parameters
- Description：IC SRAM 8KBIT PARALLEL 64TQFP
- Series：-
- Mfr：Renesas Electronics Corporation
- Package：Tape & Reel (TR)
- Memory Type：Volatile
- Memory Format：SRAM
- Technology：SRAM - Dual Port, Asynchronous
- Memory Size：8Kbit
- Memory Organization：1K x 8
- Memory Interface：Parallel
- Clock Frequency：-
- Write Cycle Time - Word, Page：25ns
- Voltage - Supply：4.5V ~ 5.5V
- Operating Temperature：0°C ~ 70°C (TA)
- Mounting Type：Surface Mount
- Package / Case：64-LQFP
- Supplier Device Package：64-TQFP (14x14)
- Access Time：25 ns
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Overview
The 7140SA25PF8 is a high-speed 1K x 8 Dual-Port Static RAM designed for parallel interface applications. It operates with a supply voltage range of 4.5V to 5.5V and features an access time of 25 ns. The component utilizes a 64-TQFP surface-mount package, measuring 14x14 mm. It supports asynchronous dual-port operation and functions within a commercial temperature range of 0°C to 70°C.
Feature Summary
- Supports independent simultaneous read/write operations at both ports without bus contention
- Provides high-speed data transfer capabilities suitable for demanding real-time processing tasks
- Features a compact surface-mount package design optimized for dense circuit board layouts
Applications
- High-performance computing systems requiring fast memory access
- Network communication equipment utilizing dual-port buffering
- Industrial automation controllers needing reliable data storage
Procurement Notes
Verify the specific suffix configuration against official Renesas documentation to ensure compatibility with existing system designs. Confirm that the 64-TQFP package dimensions align with current PCB footprints. Check for moisture sensitivity handling requirements during assembly. Ensure compliance with applicable environmental regulations for the target market. Validate lead times as availability may vary due to product lifecycle status.
Selection Notes
Select this component when a 1K x 8 organization is required for dual-port memory applications. Consider the 25 ns access speed for timing constraints in the system architecture. Evaluate the 5V supply requirement against available power rails. Assess the TQFP package suitability for automated assembly processes. Compare thermal performance characteristics against operational environment limits.
Part Context
This part belongs to the 7140SA series of dual-port SRAMs manufactured by Renesas Electronics. It serves as a slave device in master-slave configurations alongside compatible master dual-port RAMs. The series is designed for applications requiring efficient data sharing between two independent processors or systems without complex arbitration logic.
Replacement Considerations
Consult official Renesas substitution guides for verified alternatives. Verify pinout compatibility and electrical specifications before replacing. Ensure functional equivalence in dual-port operation modes.
