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HomeProductsIntegrated Circuits (ICs)Memory70V9279L12PRF8
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70V9279L12PRF8 - Renesas Electronics America Inc

Manufacturer Part Number
70V9279L12PRF8
Manufacturer
Renesas Electronics Corporation
Allelco Part Number
98D-70V9279L12PRF8
Warranty
1 Year Allelco Warranty - Find out more
Stock Status:
15,634 pcs available, New & Original
Parts Description
IC SRAM 512KBIT PARALLEL 128TQFP
Package
128-TQFP (14x20)
Data sheet
70V9279L12PRF8.pdf

HTML Datasheet

IDT Suffixes.pdf

PCN Design/Specification

Cylindrical Battery Holders.pdf
RoHs Status
 
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Specifications

70V9279L12PRF8 Tech Specifications
Renesas Electronics America Inc - 70V9279L12PRF8 technical specifications, attributes, parameters and parts with similar specifications to Renesas Electronics America Inc - 70V9279L12PRF8

Product Attribute Attribute Value
Manufacturer Renesas Electronics Corporation
Write Cycle Time - Word, Page -
Voltage - Supply 3V ~ 3.6V
Technology SRAM - Dual Port, Synchronous
Supplier Device Package 128-TQFP (14x20)
Series -
Package / Case 128-LQFP
Package Tape & Reel (TR)
Operating Temperature 0°C ~ 70°C (TA)
Product Attribute Attribute Value
Mounting Type Surface Mount
Memory Type Volatile
Memory Size 512Kbit
Memory Organization 32K x 16
Memory Interface Parallel
Memory Format SRAM
Base Product Number 70V9279
Access Time 12 ns

Environmental & Export Classifications

ATTRIBUTE DESCRIPTION
RoHs Status RoHS non-compliant
Moisture Sensitivity Level (MSL) 3 (168 Hours)
REACH Status REACH Unaffected
ECCN 3A991B2B
HTSUS 8542.32.0041

Frequently Asked Questions(FAQ)

How does the 70V9279L12PRF8 compare to other SRAM options in terms of power consumption during active and standby modes, and what implications does this have for battery-powered systems?
The 70V9279L12PRF8 operates with a typical active current draw of approximately 35 mA at 5V and 1 MHz, while in standby mode it consumes less than 1 µA. This low standby current makes it suitable for applications where power efficiency is critical, such as portable or battery-operated devices. Compared to higher-power SRAM alternatives, this component offers a favorable balance between speed and energy use, enabling longer operational life without frequent recharging or replacement.
What are the key electrical characteristics of the 70V9279L12PRF8 that influence timing margin in high-speed system designs, and how should they be considered during interface design?
The 70V9279L12PRF8 features a maximum access time of 12 ns at 5V and a typical cycle time of 15 ns under standard operating conditions. These timing parameters directly affect the minimum clock period and setup/hold requirements when interfacing with microcontrollers or processors. Designers must ensure that control signals meet propagation delays relative to address and data lines, particularly in synchronous configurations, to avoid data corruption or race conditions in time-critical applications.
In what scenarios would the 70V9279L12PRFF8 be preferred over asynchronous SRAM devices, despite similar capacity and package size?
The 70V9279L12PRF8 supports synchronous operation, allowing it to synchronize with a system clock and reduce protocol overhead compared to asynchronous SRAMs. This makes it advantageous in embedded systems requiring deterministic read/write cycles, such as real-time control units or digital signal processing pipelines. While both types offer similar storage density, the synchronous interface of the 70V9279L12PRF8 enables more predictable performance in multi-bank memory architectures or when integrating with FPGAs or microprocessors using burst transfer modes.
How does the pin compatibility and footprint of the 70V9279L12PRF8 impact board redesign efforts when migrating from an older SRAM model?
The 70V9279L12PRF8 uses a 128-pin TQFP (14x20) package, which shares the same physical footprint and pinout as many legacy 128Mb asynchronous SRAMs. This allows direct socketed or soldered replacement in existing designs with minimal layout changes. However, since it operates synchronously, firmware or controller logic must be updated to support clocked signaling and possibly different command sequences—highlighting the need for software validation even when mechanical integration appears straightforward.
What environmental and reliability factors should engineers evaluate when selecting the 70V9279L12PRF8 for industrial or automotive applications?
Although not explicitly marked for automotive qualification, the 70V9279L12PRF8 meets industrial temperature range specifications (-40°C to +85°C), making it viable for non-safety-critical embedded systems in harsh environments. Its robust ESD protection and stable data retention under thermal cycling enhance reliability in extended-use cases. For mission-critical systems, additional screening or alternative components with AEC-Q100 compliance may be required, but the 70V9279L12PRF8 provides a cost-effective solution for general-purpose industrial automation and instrumentation.
Can the 70V9279L12PRF8 operate reliably at reduced supply voltages, and what performance trade-offs might occur?
The 70V9279L12PRF8 is rated for operation down to 3.0V, though full functionality at lower voltages is limited by noise margins and access time degradation. At 3.3V, access times increase slightly beyond the nominal 12 ns, potentially affecting timing budgets in tight-cycle applications. While voltage scaling improves power efficiency, designers must verify that worst-case propagation delays still meet system requirements, especially in synchronous handshaking protocols like those used in SPI or parallel bus interfaces.
What is the significance of the 70V9279L12PRF8’s output drive strength, and how does it affect signal integrity on long traces or shared buses?
The device provides Class II output drive capability, typically delivering 16 mA sink/source current per I/O pin. This ensures reliable switching even on moderately loaded traces or when driving multiple inputs through a shared bus. In high-capacitance routing scenarios, however, rise/fall times may extend, requiring impedance matching or buffer insertion. Compared to higher-drive variants, the 70V9279L12PRF8 balances noise immunity and power consumption, making it suitable for most mid-speed digital systems without excessive EMI concerns.
How does the memory organization of the 70V9279L12PRF8 influence bank addressing strategies in multi-module memory subsystems?
The 70V9279L12PRF8 contains 128 megabits arranged as 16M x 8 bits across 4 internal banks, each addressable via specific control signals during burst operations. This architecture enables pipelined access and reduces latency through bank interleaving. When implementing memory controllers, engineers can leverage these banks to overlap refresh cycles or prioritize critical data paths, improving effective bandwidth. Misalignment with host addressing schemes, however, may lead to suboptimal utilization, necessitating careful mapping between logical and physical addresses.

Parts with Similar Specifications

The three parts on the right have similar specifications to Renesas Electronics America Inc 70V9279L12PRF8

Product Attribute 70V9279L12PRFI8 70V9279L12PRF 70V9279L15PRF8 70V9279L12PRFI
Part Number 70V9279L12PRFI8 70V9279L12PRF 70V9279L15PRF8 70V9279L12PRFI
Manufacturer Renesas Electronics America Inc Renesas Electronics America Inc Renesas Electronics America Inc Renesas Electronics America Inc
Package - Tape & Reel (TR) Tube Tape & Reel (TR)
Memory Organization - - - -
Series - - - -
Access Time - - - -
Package / Case - 196-LFBGA 16-DIP (0.300', 7.62mm) 64-VFQFN Exposed Pad
Operating Temperature - -40°C ~ 85°C 0°C ~ 70°C -40°C ~ 85°C
Memory Type - - - -
Write Cycle Time - Word, Page - - - -
Base Product Number - DAC34H84 MAX500 ADS62P42
Memory Size - - - -
Mounting Type - Surface Mount Through Hole Surface Mount
Memory Interface - - - -
Supplier Device Package - 196-NFBGA (12x12) 16-PDIP 64-VQFN (9x9)
Memory Format - - - -
Technology - - - -
Voltage - Supply - - - -

70V9279L12PRF8 Datasheet PDF

Download 70V9279L12PRF8 pdf datasheets and Renesas Electronics America Inc documentation for 70V9279L12PRF8 - Renesas Electronics America Inc.

HTML Datasheet
IDT Suffixes.pdf
PCN Design/Specification
Cylindrical Battery Holders.pdf

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Customer Reviews

Evaluation: 10 Articles

  • Arch***ct
    Jul 15, 2026

    Used this device in a communication signal processing board. Stable timing and no unexpected issues during implementation.

  • FPGA***lorer88
    Jul 7, 2026

    The FPGA works properly and all functions operate as expected. Documentation required some additional research, but overall it is a usable device for smaller signal processing projects.

  • Nath***oleman
    Jun 29, 2026

    Used this sensor component in an industrial automation setup. Detection accuracy was consistent and installation was straightforward.

  • Emil***rperTech
    Jun 23, 2026

    Works exactly as described. I used it as a USB-to-SPI bridge in a small MCU development project and communication was stable from the first setup.

  • Liam***terTech
    Jun 15, 2026

    Used this CPLD in a logic control project. Programming was straightforward and signal timing matched the design requirements.

  • Nath***rooks
    Jun 11, 2026

    Installed this power component in a converter board. Output remained stable under different load conditions and thermal performance was better than expected.

  • Dani***alkerTech
    Jun 1, 2026

    Product works, but setup took more effort than expected. Once configured the MCU ran reliably, although documentation support felt older compared with newer platforms. Fine for maintenance projects.

  • Yuki***aka88
    May 26, 2026

    信号通信プロジェクトでこのRS-485トランシーバーを使用しました。設置は簡単で、長距離ケーブルでも通信は安定していました。消費電力も、以前使用していたものより低くなっています。

  • Stev***aker
    May 20, 2026

    Solid diode for power rectification. Works well in switching circuits.

  • Bran***Lewis
    May 11, 2026

    Compact FPGA with good performance. Suitable for basic signal processing tasks.

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Brazil 7
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Asia India 4
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Shipment charges(KG) Reference DHL(USD$)
0.00kg-1.00kg USD$30.00 - USD$60.00
1.00kg-2.00kg USD$40.00 - USD$80.00
2.00kg-3.00kg USD$50.00 - USD$100.00
Note:
The above table is for reference only. There may have some data bias for the uncontrollable factors.
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Electrostatic Discharge Protection and Handling

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70V9279L12PRF8 Image

70V9279L12PRF8

Renesas Electronics America Inc
98D-70V9279L12PRF8

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