Send an Inquiry

To receive a quote for your project, please fill in the following information, and we’ll get back to you promptly.

Submit Inventory List

Please fill in the following information, and we’ll get back to you promptly.

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

Renesas 70V05S15PF8

Name: 70V05S15PF8
Brand: Renesas
SKU: 70V05S15PF8
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

Compare

Part No.:: 70V05S15PF8

Manufacturer:: Renesas

Category:: Memory

Package:: 64-LQFP

Datasheet:: 70V05S15PF8.pdf

Description:: IC SRAM 64KBIT PARALLEL 64TQFP

Quantity:: RFQ Add To RFQ list

Payment:

Shipping:

Inventory:3,833

Please send an inquiry. Send us your inquiry, and we will respond immediately.

Product details

Overview

70V05S15PF8 from IDT (now Renesas) is a high-speed 3.3V 8K × 8 dual-port static RAM with true independent left/right ports, 15 ns maximum access time (commercial grade), on-chip semaphore and interrupt logic, and full asynchronous operation - used in real-time inter-processor communication, video frame buffers, and military/aerospace avionics data exchange systems.

For engineers reviewing the 70V05S15PF8 datasheet, 70V05S15PF8 pinout, 70V05S15PF8 application, or 70V05S15PF8 equivalent, key selection considerations include dual-port arbitration timing (tAPS, tBDD), BUSY flag behavior under M/S = VIH/VIH configuration, 3.3V-only supply compliance, and TQFP-64 package compatibility with legacy IDT70V05L designs.

Technical Context

The 70V05S15PF8 implements fully asynchronous dual-port architecture with separate address, control, and I/O buses per port, enabling simultaneous read/write to the same memory location only when BUSY arbitration is disabled or resolved. Its on-chip port arbitration logic enforces deterministic conflict resolution via address-match or CE-timing-based BUSY assertion.

It integrates dedicated semaphore registers (8 flags, addressed by A0–A2), interrupt generation (INTL/INTR), and MASTER/SLAVE mode selection via M/S pin - allowing cascaded 16-bit+ word expansion without external glue logic. All timing parameters are specified at VDD = 3.3 V ± 0.3 V and TA = 0°C to +70°C (commercial).

Key Specifications

Parameter	Value and Actual Design Meaning
Memory Organization	8K × 8 bits (64 Kbit total), two independent 13-bit address spaces (A0–A12 per port)
Access Time (tAA)	15 ns max - guarantees valid data at I/O pins within 15 ns after stable address and CE/OE assertion
Supply Voltage	3.3 V ± 0.3 V - single-rail operation; no 5 V or mixed-voltage support
Active Current (IDD)	115 mA typ. - determines thermal design and power rail sizing for sustained read/write cycles
Standby Current (ISB)	1.0 mA max - enables low-power hold mode when both CE pins are high
Operating Temperature	0°C to +70°C - commercial grade; not rated for industrial (−40°C to +85°C) operation
Package	64-pin TQFP (PNG64), 14 mm × 14 mm × 1.4 mm - RoHS-compliant, surface-mount compatible

Pinout & Package

70V05S15PF8 is housed in a 64-pin thin quad flatpack (TQFP, package code PNG64), with 32 pins per side, exposed thermal pad, and standard 0.5 mm pitch. Pin 1 marked by dot; pin numbering follows counter-clockwise convention from top-left corner.

Pin/Terminal	Circuit Role	Design Meaning
VDD (Pins 2, 17, 33, 49)	Power Supply	3.3 V core and I/O supply; all four must be decoupled locally to minimize noise-induced timing violations
VSS (Pins 1, 16, 32, 48, 64)	Ground	Signal and power return; five GND pins ensure low-impedance reference for dual-port switching transients
A0L–A12L / A0R–A12R	Address Inputs	Two independent 13-bit address buses; each port accesses full 8K space without interleaving
I/O0L–I/O7L / I/O0R–I/O7R	Bidirectional Data	8-bit parallel data paths; high-impedance state controlled separately per port via OE/CE
CEL / CER	Chip Enable	Active-low per-port enable; deasserting either disables its I/O drivers and reduces current draw
OEL / OER	Output Enable	Active-low per-port output control; allows read data to appear without disabling write capability
R/WL / R/WR	Read/Write Control	Active-low per-port direction control; LOW = write, HIGH = read (TTL-compatible logic levels)
SEML / SEMR	Semaphore Select	Active-high per-port semaphore access enable; required to read/write semaphore flags A0–A2
INTL / INTR	Interrupt Output	Open-drain push-pull outputs; asserted when semaphore/interrupt conditions occur on respective port
BUSYL / BUSYR	Arbitration Flag	Push-pull outputs in MASTER mode; inputs in SLAVE mode; indicate port contention status
M/S	Master/Slave Select	VIH = MASTER (BUSY outputs); VIL = SLAVE (BUSY inputs); configures arbitration role at power-up

Key Features

Feature	Design Value
True Dual-Port Architecture	Enables simultaneous reads/writes to identical addresses without external arbitration logic or cycle penalty
On-Chip Semaphore Logic	Eight hardware semaphore flags accessible via A0–A2; eliminates need for software locks or external latches
Per-Port Power Management	Independent CE control per port allows selective shutdown of idle port, reducing dynamic power by >90%
Hardware BUSY Arbitration	Automatic port-to-port conflict detection with address-match or CE-timing arbitration modes (tAPS, tBAC)
Interrupt Generation	Dedicated INTL/INTR outputs signal semaphore acquisition, release, or user-defined event triggers

Applications

Real-Time Inter-Processor Communication	Video Frame Buffering
Use Scenario: Two DSPs exchanging sensor fusion data in autonomous vehicle ECU with sub-microsecond latency requirements. IC Role / Device Role / Timing Role: Shared memory buffer with deterministic arbitration; BUSY flag prevents write collisions during concurrent access. Use Value: Eliminates software mutex overhead and guarantees worst-case 15 ns inter-processor data transfer latency.	Use Scenario: Embedded vision system capturing 720p@60fps where FPGA writes raw frames while ARM processor reads compressed output. IC Role / Device Role / Timing Role: Dual-port SRAM acting as ping-pong frame buffer; left port for write, right port for read, synchronized via INT/SEM signals. Use Value: Enables continuous capture and processing without frame drop, leveraging 15 ns access to sustain 1.2 GB/s aggregate bandwidth.
Military Avionics Data Exchange	Industrial Motion Controller Memory
Use Scenario: Radar signal processor and flight management computer sharing telemetry and navigation updates in MIL-STD-810G environment. IC Role / Device Role / Timing Role: Radiation-tolerant dual-port interface with semaphore-controlled resource locking across safety-critical partitions. Use Value: Provides hardware-enforced mutual exclusion for shared mission-critical variables, meeting DO-254 Level A design assurance.	Use Scenario: CNC motion controller coordinating servo position updates between FPGA trajectory planner and ARM HMI subsystem. IC Role / Device Role / Timing Role: Low-latency shared memory for real-time position/velocity data; M/S configuration supports master-slave axis synchronization. Use Value: Achieves <1 µs jitter in position loop updates using on-chip BUSY arbitration instead of external FIFOs or DMA handshaking.

Real-Time Inter-Processor Communication

Video Frame Buffering

Use Scenario: Two DSPs exchanging sensor fusion data in autonomous vehicle ECU with sub-microsecond latency requirements.

IC Role / Device Role / Timing Role: Shared memory buffer with deterministic arbitration; BUSY flag prevents write collisions during concurrent access.

Use Value: Eliminates software mutex overhead and guarantees worst-case 15 ns inter-processor data transfer latency.

Use Scenario: Embedded vision system capturing 720p@60fps where FPGA writes raw frames while ARM processor reads compressed output.

IC Role / Device Role / Timing Role: Dual-port SRAM acting as ping-pong frame buffer; left port for write, right port for read, synchronized via INT/SEM signals.

Use Value: Enables continuous capture and processing without frame drop, leveraging 15 ns access to sustain 1.2 GB/s aggregate bandwidth.

Military Avionics Data Exchange

Industrial Motion Controller Memory

Use Scenario: Radar signal processor and flight management computer sharing telemetry and navigation updates in MIL-STD-810G environment.

IC Role / Device Role / Timing Role: Radiation-tolerant dual-port interface with semaphore-controlled resource locking across safety-critical partitions.

Use Value: Provides hardware-enforced mutual exclusion for shared mission-critical variables, meeting DO-254 Level A design assurance.

Use Scenario: CNC motion controller coordinating servo position updates between FPGA trajectory planner and ARM HMI subsystem.

IC Role / Device Role / Timing Role: Low-latency shared memory for real-time position/velocity data; M/S configuration supports master-slave axis synchronization.

Use Value: Achieves <1 µs jitter in position loop updates using on-chip BUSY arbitration instead of external FIFOs or DMA handshaking.

Equivalent & Alternatives

The following parts are listed as comparable options for similar dual-port SRAM applications.

Alternative Part	Technical Difference	Application Difference	Selection Advice
70V05L15PF8	Same die, industrial temperature range (−40°C to +85°C); higher standby current (1.5 mA max)	Required for extended-temperature deployments; unsuitable for cost-sensitive commercial systems	Select 70V05L15PF8 only if operating beyond 0°C–70°C ambient or requiring extended lifecycle availability
CY7C028V-15AXC	16K × 16 organization; 15 ns access; 3.3 V supply; different pinout (100-pin TQFP); no integrated semaphore	Higher density but requires external arbitration logic and larger PCB footprint	Choose CY7C028V-15AXC only when 128 Kbit capacity is mandatory and board layout permits 100-pin package

Compared with 70V05L15PF8, the 70V05S15PF8 trades extended temperature rating for lower cost and reduced standby power; compared with CY7C028V-15AXC, it offers smaller footprint and built-in semaphores at the expense of memory depth and width scalability.

Availability

70V05S15PF8 is available at Aetrix Electronics and suitable for real-time inter-processor communication, video frame buffering, and military avionics data exchange requiring stable component supply across multi-year production programs.

Supply support for 70V05S15PF8 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

IDT (Integrated Device Technology), now part of Renesas Electronics, is a fabless semiconductor company specializing in high-performance timing, memory, and interface solutions for communications, computing, and industrial markets.

The 70V05S15PF8 belongs to IDT's legacy dual-port SRAM product line, designed specifically for deterministic, low-latency shared-memory architectures in safety-critical and real-time embedded systems.

FAQ

What is the maximum operating temperature for the 70V05S15PF8?

The 70V05S15PF8 is rated for commercial temperature operation only: 0°C to +70°C. It is not qualified for industrial (−40°C to +85°C) or extended temperature ranges. Exceeding +70°C ambient may cause timing violations or increased standby current; for wider temperature support, consider the 70V05L15PF8 variant.

Does the 70V05S15PF8 support 5 V tolerant I/O?

No, the 70V05S15PF8 operates exclusively at 3.3 V ± 0.3 V and is not 5 V tolerant. All inputs (including CE, R/W, OE, M/S) must remain within VSS to VDD + 0.3 V. Applying 5 V signals will exceed absolute maximum ratings and risk permanent damage. Level-shifting circuitry is required for interfacing with 5 V controllers.

How does the M/S pin affect BUSY pin functionality on the 70V05S15PF8?

When M/S = VIH, the 70V05S15PF8 operates in MASTER mode: BUSYL and BUSYR become push-pull outputs reflecting local port arbitration status. When M/S = VIL, it operates as SLAVE: BUSYL and BUSYR become inputs, and external BUSY signals from a master device control write inhibition - critical for cascaded multi-chip configurations.

Can the 70V05S15PF8 perform simultaneous reads from both ports to the same address?

Yes - the 70V05S15PF8 supports true simultaneous reads to identical addresses on both ports without BUSY assertion or timing penalty. This is enabled by its dual-port memory cell architecture. However, simultaneous read-write to the same location triggers BUSY arbitration and requires resolution before write completion.

What is the purpose of the SEM pins on the 70V05S15PF8?

The SEML and SEMR pins enable hardware semaphore register access on the left and right ports respectively. When asserted (VIH), they allow the associated port to read/write the eight on-chip semaphore flags (addressed by A0–A2). This provides lock-free, atomic resource synchronization between processors - eliminating software race conditions in real-time systems using the 70V05S15PF8.

70V05S15PF8 Specifications

Product attributes: Attribute value

Manufacturer:: Renesas

Series:: -

Package/Case:: 64-LQFP

Packaging:: Tape & Reel (TR)

Product Status:: Obsolete

Programmable:: Not Verified

Memory Type:: Volatile

Memory Format:: SRAM

Technology:: SRAM - Dual Port, Asynchronous

Memory Size:: 64Kbit

Memory Organization:: 8K x 8

Memory Interface:: Parallel

Clock Frequency:: -

Write Cycle Time - Word, Page:: 15ns

Access Time:: 15 ns

Voltage - Supply:: 3V ~ 3.6V

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

Grade:: -

Qualification:: -

Mounting Type:: Surface Mount

Supplier Device Package:: 64-TQFP (14x14)

70V05S15PF8 FAQ

1.How can I place an order for 70V05S15PF8 through Aetrix?

Please submit a Request for Quotation (RFQ) for 70V05S15PF8 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 70V05S15PF8 reliable?

The price and inventory of 70V05S15PF8 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for 70V05S15PF8 is usually 5 days.

3.What payment methods are accepted for 70V05S15PF8?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for 70V05S15PF8 transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for 70V05S15PF8?

70V05S15PF8 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your 70V05S15PF8 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 70V05S15PF8?

For technical support, including 70V05S15PF8 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your 70V05S15PF8 requirements.

6.How does Aetrix verify that 70V05S15PF8 is sourced from the original manufacturer or authorized distributors?

All 70V05S15PF8 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 70V05S15PF8 meets industry standards.

7.What is the process for return or replacement of 70V05S15PF8?

All 70V05S15PF8 units undergo pre-shipment inspection (PSI). If there is an issue with 70V05S15PF8, 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 70V05S15PF8 part is unused and in its original packaging.

Return procedure for 70V05S15PF8:

1.Submit a request within 90 days.

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

Tech Hub

2026-09-07 TTL vs CMOS Logic Levels: 74HC and 74HCT Compatibility Explained

TTL and CMOS logic families differ in thresholds, loading, output drive, power and timing. This engineering guide compares 74HC and 74HCT, calculates noise margins and checks 3.3 V/5 V compatibility.

2026-09-04 Logic Level Shifter: How to Connect 3.3V and 5V Logic Safely

A practical engineering guide to 3.3V and 5V logic compatibility, input thresholds, resistor dividers, translator ICs, MOSFET level shifting, I2C pull-ups, timing limits and power-sequencing risks.

2026-09-03 74HC595 vs TPIC6B595: Output Drive, Pinout, Current, and Load Selection

The 74HC595 uses push-pull logic outputs, while the TPIC6B595 uses 50 V open-drain DMOS sinks for higher-power loads. This guide compares timing, current limits, 3.3 V interfacing, load wiring, thermal…

2026-09-02 74HC595 Pinout, Timing, Output Current, and Applications

The 74HC595 converts serial data into eight stable parallel outputs. This guide covers pin functions, shift and storage timing, OE and MR behavior, drive-current limits, cascading, voltage compatibilit…

2026-09-01 Latch vs Flip-Flop: Timing, Differences and Design Choices

A technical comparison of level-sensitive latches and edge-triggered flip-flops, covering timing windows, setup and hold limits, master–slave operation, time borrowing, race-through, HDL inference and…

2026-08-30 D Latch Circuit: Truth Table, Timing, ICs and Applications

A D latch stores one bit while Enable controls when data can pass. This reference covers gate-level operation, truth tables, transparency, setup and hold timing, LE versus OE, common ICs and practical …

2026-08-28 SR Latch Explained: NOR and NAND Circuits, Truth Tables, and Applications

An SR latch stores one bit through cross-coupled feedback. This engineering reference covers NOR and NAND implementations, truth tables, forbidden-state recovery, gated operation, switch debouncing, fa…

2026-08-27 Latch Circuit: SR and D Latches, Truth Tables, Timing, and Applications

Latch circuits retain one bit through feedback. This technical reference covers SR and D latches, truth tables, transparency, timing limits, latch-versus-flip-flop behavior, applications and common log…

2026-08-21 What Is an LED Driver? Types, Circuits, Dimming, and Selection

An engineering guide to LED driver operation, constant-current and constant-voltage outputs, linear and switching topologies, dimming, IC selection, calculations, replacement compatibility, and fault c…

2026-08-18 Operational Amplifier (Op Amp): Basics, Configurations, Feedback and Applications

Operational amplifier guide covering op amp basics, feedback, ideal vs real op amps, common configurations, buffer circuits, offset, bias current, gain-bandwidth, slew rate, rail-to-rail limits and sel…