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70T631S15BF8 is listed in the Memory IC range at ChipApex. The manufacturer field lists Renesas Electronics Corporation. Its product description is IC SRAM 4.5MBIT PAR 208CABGA. Review the specifications below when checking this part for your BOM.
Memory IC specifications for 70T631S15BF8
- Description：IC SRAM 4.5MBIT PAR 208CABGA
- Series：-
- Mfr：Renesas Electronics Corporation
- Package：Tape & Reel (TR)
- Memory Type：Volatile
- Memory Format：SRAM
- Technology：SRAM - Dual Port, Asynchronous
- Memory Size：4.5Mbit
- Memory Organization：256K x 18
- Memory Interface：Parallel
- Clock Frequency：-
- Write Cycle Time - Word, Page：15ns
- Voltage - Supply：2.4V ~ 2.6V
- Operating Temperature：0°C ~ 70°C (TA)
- Mounting Type：Surface Mount
- Package / Case：208-LFBGA
- Supplier Device Package：208-CABGA (15x15)
- Access Time：15 ns
Memory IC datasheet and documents for 70T631S15BF8
Memory IC Overview
The Renesas 70T631S15BF8 is a 4.5 Mbit (256K x 18) asynchronous dual-port SRAM in a 208-CABGA package. It supports 3.3V or 2.5V operation with parallel interface. The device features independent port access, on-chip arbitration, and semaphore signaling for master/slave configurations.
Memory IC Feature Summary
- True dual-port architecture enabling simultaneous independent reads and writes
- On-chip hardware support for semaphore signaling and port arbitration
- Compatible with master/slave configurations for wider data systems
Memory IC Applications
- High-speed data buffering in telecommunications equipment
- Master/slave memory expansion in embedded processing systems
- Real-time data logging in industrial control applications
Memory IC Procurement Notes
Verify RoHS compliance status as the component may be non-compliant. Confirm end-of-life status and lead times with authorized distributors. Ensure ESD handling protocols are followed during installation due to CMOS technology sensitivity.
Memory IC Selection Notes
Select this part for applications requiring true dual-port access without external arbitration logic. Suitable for systems needing 256K x 18 organization with 3.3V or 2.5V supply options. Consider pin compatibility with existing 208-pin BGA footprints.
Memory IC Part Context
Part of the 70T series high-speed dual-port SRAM family from Renesas. Designed for standalone use or cascaded master/slave configurations. Offers low standby power and full TTL-compatible operation.
Memory IC Replacement Considerations
Check for direct pin-to-pin replacements within the 70T631 series. Verify electrical parameters match original requirements before substitution.
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