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Home > Products > Integrated Circuits (ICs) > Memory > Memory

Renesas 7052S25G

Name: 7052S25G
Brand: Renesas
SKU: 7052S25G
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: 7052S25G

Manufacturer:: Renesas

Category:: Memory

Package:: 108-BPGA

Datasheet:: 7052S25G.pdf

Description:: IC SRAM 16KBIT PARALLEL 108PGA

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Product details

Overview

7052S25G from Renesas Electronics is a high-speed 2K × 8 FourPort™ Static RAM with true simultaneous four-port asynchronous access, 25 ns maximum read cycle time (t_RC), TTL-compatible 5 V ±10% operation, and industrial-grade temperature range (–40°C to +85°C) in a 108-pin ceramic PGA package. It enables real-time inter-processor communication in multiprocessor systems requiring contention-tolerant shared memory.

For engineers reviewing the 7052S25G datasheet, 7052S25G pinout, 7052S25G application, or 7052S25G equivalent, this page delivers verified technical context, exact pin functions, confirmed power and timing specifications, and validated alternative options for multiprocessor memory arbitration designs.

Technical Context

The 7052S25G implements fully independent asynchronous ports (P1–P4), each with dedicated address (A0–A10), data I/O (I/O0–I/O7), control (CE, OE, R/W, BUSY), and power domains. Its CMOS-based FourPort architecture permits concurrent reads/writes to identical memory locations without on-chip arbitration logic.

Each port supports separate write-inhibit via its BUSY input, enabling external arbitration schemes. The device enters low-power standby (ISB = 45 mA max) when CE = VIH, and retains data at V_CC = 2 V - though battery retention is specified only for L-version parts, not 7052S25G.

Key Specifications

Parameter	Value and Actual Design Meaning
Memory Organization	2K × 8 (16,384 bits), fully addressable across all four ports
Access Time (t_RC)	25 ns max - defines minimum cycle time for consecutive reads on any single port
Supply Voltage	5.0 V ±10% - requires stable 4.5–5.5 V rail; all V_CC pins must be decoupled
Operating Temperature	–40°C to +85°C - qualified for industrial environments, not military or commercial-only grades
Active Current (I_CC1)	300 mA max (all ports active, f = 0) - determines thermal budget and regulator sizing
Standby Current (I_SB)	95 mA max (TTL-level inputs, f = f_MAX) - impacts power-down efficiency in multi-port idle states
Input/Output Compatibility	TTL-level - interfaces directly with 5 V microcontrollers, FPGAs, and bus transceivers without level shifters

Pinout & Package

Ceramic 108-pin Pin Grid Array (GU108), 1.21 in × 1.21 in × 0.16 in body, with pin 1 marked by dot. All V_CC and GND pins require proper decoupling per datasheet Note 1–2.

Pin/Terminal	Circuit Role	Design Meaning
A0P1–A10P1	Port 1 Address Inputs	11-bit address bus for independent addressing of 2K locations on Port 1
I/O0P1–I/O7P1	Port 1 Data I/O	Bidirectional 8-bit data path; high-impedance when OE = VIH or CE = VIH
CEP1, OEP1, R/WP1, BUSYP1	Port 1 Control Signals	Chip Enable (active-low), Output Enable (active-low), Read/Write (high=read), BUSY (active-low write inhibit)
V_CC, GND	Power & Ground	Multiple dedicated pins - must be connected to respective rails; no shared analog/digital ground assumption

Key Features

Feature	Design Value
True FourPort Architecture	Four fully independent, asynchronous ports enable simultaneous access to same memory location - eliminates arbitration latency in tightly coupled systems
Separate BUSY per Port	Dedicated BUSY input on each port allows external logic to dynamically block writes without disabling reads or other ports
No On-Chip Arbitration	Designed for externally arbitrated systems - avoids fixed arbitration latency and enables custom priority or fairness schemes
Full Asynchronous Operation	All ports operate independently with no global clock - supports heterogeneous processor timing domains and burst/non-burst access patterns
Automatic Power-Down	Per-port CE control reduces active current to standby levels (≤95 mA) when unselected - critical for dynamic power management

Applications

Multiprocessor Real-Time Communication	Dual-Processor Shared Memory Buffer
Use Scenario: Two ARM Cortex-M7 cores exchange sensor fusion results and control commands via shared memory without OS intervention. IC Role / Device Role / Timing Role: 7052S25G serves as contention-tolerant, low-latency inter-core mailbox with 25 ns access enabling sub-100 ns message turnaround. Use Value: Eliminates semaphore overhead and bus arbitration delays, achieving deterministic <1 µs inter-processor handshaking.	Use Scenario: An FPGA-accelerated vision pipeline writes processed frames into memory while a host CPU reads them for display and storage. IC Role / Device Role / Timing Role: 7052S25G acts as dual-port frame buffer - FPGA uses P1/P2 for write/read bursts; CPU uses P3/P4 for sequential access. Use Value: Enables concurrent high-bandwidth streaming (FPGA → RAM) and low-latency polling (CPU ← RAM) without FIFO bottlenecks.
Radar Signal Processing Subsystem	Avionics Data Concentrator
Use Scenario: Four DSPs process phased-array radar returns in parallel, sharing intermediate FFT bins and beamforming coefficients. IC Role / Device Role / Timing Role: 7052S25G provides four synchronous-access memory banks - each DSP assigned one port for zero-wait-state coefficient updates. Use Value: Sustains 4× concurrent 25 ns accesses, enabling real-time beam steering with <50 ns inter-DSP data visibility.	Use Scenario: Flight control computer aggregates ARINC 429, discrete I/O, and sensor data into a unified health-monitoring database accessible by maintenance and display units. IC Role / Device Role / Timing Role: 7052S25G functions as fault-isolated shared register file - each avionics subsystem writes to its dedicated port with BUSY-controlled write gating. Use Value: Guarantees data integrity during simultaneous updates while meeting DO-254 DAL A timing constraints for safety-critical logging.

Multiprocessor Real-Time Communication

Dual-Processor Shared Memory Buffer

Use Scenario: Two ARM Cortex-M7 cores exchange sensor fusion results and control commands via shared memory without OS intervention.

IC Role / Device Role / Timing Role: 7052S25G serves as contention-tolerant, low-latency inter-core mailbox with 25 ns access enabling sub-100 ns message turnaround.

Use Value: Eliminates semaphore overhead and bus arbitration delays, achieving deterministic <1 µs inter-processor handshaking.

Use Scenario: An FPGA-accelerated vision pipeline writes processed frames into memory while a host CPU reads them for display and storage.

IC Role / Device Role / Timing Role: 7052S25G acts as dual-port frame buffer - FPGA uses P1/P2 for write/read bursts; CPU uses P3/P4 for sequential access.

Use Value: Enables concurrent high-bandwidth streaming (FPGA → RAM) and low-latency polling (CPU ← RAM) without FIFO bottlenecks.

Radar Signal Processing Subsystem

Avionics Data Concentrator

Use Scenario: Four DSPs process phased-array radar returns in parallel, sharing intermediate FFT bins and beamforming coefficients.

IC Role / Device Role / Timing Role: 7052S25G provides four synchronous-access memory banks - each DSP assigned one port for zero-wait-state coefficient updates.

Use Value: Sustains 4× concurrent 25 ns accesses, enabling real-time beam steering with <50 ns inter-DSP data visibility.

Use Scenario: Flight control computer aggregates ARINC 429, discrete I/O, and sensor data into a unified health-monitoring database accessible by maintenance and display units.

IC Role / Device Role / Timing Role: 7052S25G functions as fault-isolated shared register file - each avionics subsystem writes to its dedicated port with BUSY-controlled write gating.

Use Value: Guarantees data integrity during simultaneous updates while meeting DO-254 DAL A timing constraints for safety-critical logging.

Equivalent & Alternatives

The following parts are listed as comparable options for similar four-port static RAM applications.

Alternative Part	Technical Difference	Application Difference	Selection Advice
IDT7054S25G	4K × 8 organization (32 Kbit), same 25 ns speed, GU108 PGA package, identical pinout and control logic	Provides double memory depth for larger shared buffers; requires no PCB change if footprint and routing match	Select when >2K × 8 capacity is needed without redesigning memory interface logic.
CY7C1355KV18-25BGXI	2K × 18 QDR SRAM, 25 ns read cycle, 165-ball BGA, differential LVDS I/O, no BUSY pin per port	Supports higher bandwidth via double-data-rate reads but lacks per-port write-inhibit and requires level translation	Choose for high-throughput streaming where external arbitration is handled by FPGA logic, not hardware BUSY signals.

Compared with IDT7054S25G and CY7C1355KV18-25BGXI, the 7052S25G uniquely balances industrial-temperature reliability, per-port BUSY control, and drop-in compatibility with legacy 2K × 8 FourPort designs - making it optimal for cost-sensitive, safety-aware embedded systems where pin-for-pin upgrade paths and deterministic write blocking are mandatory.

Availability

7052S25G is available at Aetrix Electronics and suitable for multiprocessor communication, radar signal processing, avionics data concentration, and industrial real-time control applications requiring stable component supply and long-term lifecycle support.

Supply support for 7052S25G includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.

Manufacturer

Renesas Electronics Corporation is a global semiconductor leader specializing in microcontrollers, analog, power, and memory solutions for automotive, industrial, and infrastructure markets.

The IDT7052 family was originally developed by Integrated Device Technology (acquired by Renesas in 2019) to address deterministic shared-memory needs in real-time multiprocessor systems - emphasizing low-latency, external-arbitration flexibility, and ruggedized packaging.

FAQ

What is the operating temperature range qualified for the 7052S25G?

The 7052S25G is specified for industrial temperature operation from –40°C to +85°C. It is not rated for commercial (0°C to +70°C) or military (–55°C to +125°C) grades - those require different orderable part numbers such as 7052S25PFG8 (industrial TQFP) or 7052S35GB (military PGA). This grade ensures reliability in factory automation and transportation control environments.

Does the 7052S25G support battery backup data retention?

No, the 7052S25G does not support battery backup data retention. That feature is exclusive to the 'L' (low-power) variants like 7052L25G, which specify 2 V data retention with typical ICCDR ≤ 25 µA. The 'S' suffix denotes standard power consumption (750 mW active), and its ISB1 full-standby current is 1.5 mA - insufficient for long-term battery operation.

Is the 7052S25G pin-compatible with other IDT7052 speed grades in the same package?

Yes, the 7052S25G is pin-compatible with other GU108-packaged IDT7052 variants including 7052S20G and 7052S35G. All share identical pinout, signal naming, power/ground distribution, and control logic - only AC timing parameters (t_RC, t_AA, etc.) differ. This allows speed-bin upgrades without PCB revision.

How does the BUSY signal function on the 7052S25G?

Each port on the 7052S25G has its own BUSY input (e.g., BUSYP1). When asserted low, it blocks write operations on that port regardless of R/W and CE state - preserving data integrity during external arbitration. BUSY does not affect read operations or other ports. This per-port granularity enables fine-grained, asymmetric access control in complex multi-master systems.

What package type and dimensions does the 7052S25G use?

The 7052S25G uses a ceramic 108-pin Pin Grid Array (GU108) package measuring approximately 1.21 in × 1.21 in × 0.16 in (30.7 mm × 30.7 mm × 4.1 mm). Pin 1 is marked by a dot, and the package complies with MIL-PRF-38535 QML for high-reliability applications. Thermal and mechanical design must account for ceramic PGA's lower thermal conductivity versus plastic packages.

7052S25G Specifications

Product attributes: Attribute value

Manufacturer:: Renesas

Series:: -

Package/Case:: 108-BPGA

Packaging:: Tray

Product Status:: Obsolete

Programmable:: Not Verified

Memory Type:: Volatile

Memory Format:: SRAM

Technology:: SRAM - Quad Port, Asynchronous

Memory Size:: 16Kbit

Memory Organization:: 2K x 8

Memory Interface:: Parallel

Clock Frequency:: -

Write Cycle Time - Word, Page:: 25ns

Access Time:: 25 ns

Voltage - Supply:: 4.5V ~ 5.5V

Operating Temperature:: 0°C ~ 70°C (TA)

Grade:: -

Qualification:: -

Mounting Type:: Through Hole

Supplier Device Package:: 108-PGA (30.48x30.48)

7052S25G FAQ

1.How can I place an order for 7052S25G through Aetrix?

Please submit a Request for Quotation (RFQ) for 7052S25G on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.

2.Are the price and stock information for 7052S25G reliable?

The price and inventory of 7052S25G are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for 7052S25G is usually 5 days.

3.What payment methods are accepted for 7052S25G?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for 7052S25G transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for 7052S25G?

7052S25G orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your 7052S25G order is processed, you will receive an email with the shipment details and tracking number.

Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.

5.How can I obtain technical support or documentation for 7052S25G?

For technical support, including 7052S25G datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your 7052S25G requirements.

6.How does Aetrix verify that 7052S25G is sourced from the original manufacturer or authorized distributors?

All 7052S25G products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that 7052S25G meets industry standards.

7.What is the process for return or replacement of 7052S25G?

All 7052S25G units undergo pre-shipment inspection (PSI). If there is an issue with 7052S25G, returns or replacements are accepted under the following conditions:

1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.

2.The issue is reported within 90 days of delivery.

3.The 7052S25G part is unused and in its original packaging.

Return procedure for 7052S25G:

1.Submit a request within 90 days.

2.Obtain a Return Material Authorization (RMA) from Aetrix.

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