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Renesas R1RP0416DSB-2LR#S1 - High-Performance 4Mbit Asynchronous SRAM

The R1RP0416DSB-2LR#S1 from Renesas Electronics is a high-speed 4Mbit asynchronous SRAM designed for demanding embedded applications requiring fast, reliable volatile memory. With a 256K x 16 organization and blazing-fast 12ns access time, this parallel interface memory IC delivers exceptional performance for industrial control systems, telecommunications equipment, automotive electronics, and medical devices.

Key Features & Benefits

  • Ultra-Fast Access: 12ns access time ensures minimal latency for time-critical applications
  • Flexible Organization: 256K x 16 configuration optimizes data throughput for 16-bit processors
  • Reliable Parallel Interface: Proven asynchronous SRAM technology with straightforward integration
  • Industrial Temperature Range: Operates reliably from 0°C to 70°C for commercial and industrial environments
  • Standard Supply Voltage: 4.5V to 5.5V operation compatible with legacy and modern systems
  • Space-Efficient Package: 44-TSOP II surface mount package (10.16mm width) saves board space
  • RoHS Compliant: Environmentally friendly design meets global regulatory standards

Typical Applications

This high-performance SRAM is ideal for industrial automation controllers, network routers and switches, automotive engine control units (ECUs), medical imaging equipment, test and measurement instruments, and aerospace avionics systems requiring long lifecycle support and proven reliability.

Why Choose Renesas Memory Solutions?

Renesas Electronics Corporation is a global leader in semiconductor manufacturing with decades of expertise in memory technology. The R1RP0416D series offers proven reliability, long-term availability, and comprehensive technical support—critical factors for OEMs and design engineers building products with extended lifecycles. Full datasheets and application notes are available to accelerate your design process.

Product attributes Property Value
Manufacturer Renesas Electronics Corporation
Product Series
Packaging Tape & Reel (TR) | Tape & Reel (TR)
Memory Type Volatile
Memory Format SRAM
Technology SRAM - Asynchronous
Memory Size 4Mbit
Memory Organization 256K x 16
Memory Interface Parallel
Clock Frequency -
Write Cycle Time - Word, Page 12ns
Access Time 12 ns
Voltage - Supply 4.5V ~ 5.5V
Operating Temperature 0°C ~ 70°C (TA)
Grade -
Qualification -
Mounting Type Surface Mount
Package / Case 44-TSOP (0.400", 10.16mm Width)
Supplier Device Package 44-TSOP II
ROHS RoHS Compliant - Hazardous Substance Free Electronic Components | HQICKEY