The IDT70V24L20PFI is a high-speed 3.3V 4K x 16 dual-port static RAM (SRAM) from Renesas Electronics, designed to enable true simultaneous read/write access from two independent ports. This device belongs to the 70V24 family and is supplied in a quad flat pack (QFP) package with an industrial temperature suffix (-40°C to +85°C). The dual-port architecture features on-chip arbitration, semaphore logic, and interrupt support, allowing two processors or bus masters to share a common memory space without external wait-states. Operating at 3.3V, the memory delivers fast access times across its 4K x 16-bit array—speed grades that reach into the 20 ns range—and the fully static design eliminates refresh overhead, making it suitable for latency-sensitive control loops and real-time data buffers in embedded systems.
Typical end-use scenarios include industrial automation controllers, aerospace mission computers, military-grade avionics, and high-reliability communication infrastructure where deterministic data exchange between processors is critical. The part is frequently used in multi-processor DSP systems, video frame buffers, and redundant control architectures that require uninterrupted memory access. As a legacy IDT product now manufactured under Renesas, the 70V24L20PFI benefits from long-life support policies but remains a mature node component; design and procurement teams should assess lifecycle status and consider long-term availability for sustained programs. The industrial temperature range and QFP package reinforce its suitability for rugged environments, and sourcing through authorized distribution ensures full traceability, counterfeit mitigation, and adherence to original manufacturer specifications.
| Attribute | Value |
|---|---|
| Memory Type | Volatile |
| Memory Format | SRAM |
| Technology | SRAM - Dual Port, Asynchronous |
| Memory Size | 64Kbit |
| Memory Organization | 4K x 16 |
| Memory Interface | Parallel |
| Write Cycle Time - Word, Page | 20ns |
| Access Time | 20 ns |
| Voltage - Supply | 3V ~ 3.6V |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Mounting Type | Surface Mount |
| Package / Case | 100-LQFP |
| Supplier Device Package | 100-TQFP (14x14) |
| Package code decode (PF) | PF = 100-pin TQFP (PNG100) |
| Absolute Max Terminal Voltage | -0.5 to +4.6 V |
| Supply Voltage VDD | 3.3V ± 0.3V |
| Address Access Time | 20 ns (max) |
| Read Cycle Time | 20 ns (min) |
| Organization | 64K (4K x 16-Bit) 3.3V dual-port RAM |
Download the current available datasheet for IDT70V24L20PFI.
Download Datasheet