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Renesas 70V06L25PF8
- Part No.:
- 70V06L25PF8
- Manufacturer:
- Renesas
- Category:
- Memory
- Package:
- 64-LQFP
- Datasheet:
-
70V06L25PF8.pdf
- Description:
- IC SRAM 128KBIT PARALLEL 64TQFP
- Quantity:
- Payment:
- Shipping:
Inventory:3,324
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Product details
Overview
70V06L25PF8 from IDT (Integrated Device Technology) is a high-speed, 3.3V, 16K × 8 true dual-port static RAM with independent left/right ports, 25 ns maximum read cycle time, industrial temperature range (–40°C to +85°C), and on-chip semaphore and interrupt logic for inter-processor communication in real-time embedded systems.
For engineers reviewing the 70V06L25PF8 datasheet, 70V06L25PF8 pinout, 70V06L25PF8 application, or 70V06L25PF8 equivalent, key selection considerations include port arbitration timing (tAPS = 5 ns), BUSY flag behavior under address contention, dual-port power-down current (ISB3 = 0.2 mA typ.), and compatibility with 64-pin TQFP layout for space-constrained industrial controllers.
Technical Context
The 70V06L25PF8 implements fully asynchronous dual-port operation with separate address, data, and control buses per port-enabling simultaneous reads of the same memory location without conflict. Its hardware arbitration uses push-pull BUSY outputs (not open-drain) and supports both address-match and chip-enable arbitration modes.
It integrates dedicated semaphore logic (8 flags, addressed via A0–A2) and interrupt signaling (INTL/INTR tied to fixed addresses 3FFEh/3FFFh), with all control signals (CEL/CER, R/WL/R/WR, OEL/OER, SEML/SEMR) operating at TTL-compatible 3.3V levels and supporting CMOS-level standby inputs for ultra-low ISB3 current.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Memory Size | 16K × 8 bits (128 Kbit), organized as two independent 16-bit-addressable banks |
| Access Time | 25 ns max tRC - guarantees deterministic latency for real-time inter-processor handshaking |
| Supply Voltage | 3.3 V ± 0.3 V - single-rail operation compatible with modern 3.3V logic families |
| Operating Temp | –40°C to +85°C - qualified for industrial control, motor drives, and telecom infrastructure |
| Standby Current | 0.2 mA typ. ISB3 - enables battery-backed retention down to 2V with <1 µA leakage |
| Bus Interface | True dual-port: full 14-bit address (A0–A13), 8-bit bidirectional I/O (I/O0–I/O7), and independent CE/R/W/OE per port |
| Arbitration Logic | On-chip BUSY flag generation (tBAA ≤ 20 ns), priority setup time tAPS = 5 ns, and semaphore contention window tSPS = 5 ns |
Pinout & Package
70V06L25PF8 is packaged in a 64-pin thin quad flatpack (TQFP), body size 14 mm × 14 mm × 1.4 mm, lead pitch 0.5 mm, RoHS-compliant and green-part qualified.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| CEL / CER | Chip Enable (Left / Right) | Active-low enable per port; controls port power-down (ISB3 mode when VIH) |
| R/WL / R/WR | Read/Write Control (Left / Right) | Active-low write strobe; determines direction of I/O bus during access |
| OEL / OER | Output Enable (Left / Right) | Active-low tri-state control for output drivers; decoupled from R/W for flexible timing |
| A0L–A13L / A0R–A13R | Address Inputs (Left / Right) | 14-bit address bus per port; supports full 16K-word addressing independently |
| I/O0L–I/O7L / I/O0R–I/O7R | Data I/O (Left / Right) | Bidirectional 8-bit data path per port; electrically isolated with no internal contention |
| SEML / SEMR | Semaphore Enable (Left / Right) | Active-low select for semaphore register access (A0–A2 address semaphores 0–7) |
| INTL / INTR | Interrupt Flag Output (Left / Right) | Open-collector compatible (push-pull), asserted when opposite port writes to mailbox address |
| BUSYL / BUSYR | Busy Flag (Left / Right) | Push-pull output (Master) or input (Slave); indicates address contention between ports |
| M/S | Master/Slave Select | VIH configures BUSY as output (Master); VIL configures BUSY as input (Slave) for cascaded systems |
| VDD / VSS | Power / Ground | Multiple VDD (pins 2, 16, 37, 49, 64) and VSS (pins 3, 17, 38, 50) pins ensure low-noise, low-impedance supply routing |
Key Features
| Feature | Design Value |
|---|---|
| True Dual-Port Architecture | Enables simultaneous read/write access to same location - eliminates software polling and lock-step synchronization overhead |
| Hardware Semaphore Logic | Eight dedicated flags accessible via A0–A2; resolves resource contention without external logic or CPU intervention |
| Configurable BUSY Arbitration | Supports both address-match and CE-based arbitration with 5 ns priority setup (tAPS), ensuring deterministic resolution in multi-master systems |
| Interrupt Mailbox Protocol | Fixed-address mailboxes (3FFEh/3FFFh) provide zero-latency inter-processor notification without shared register scanning |
| Ultra-Low Standby Power | 0.2 mA typical ISB3 current at CMOS-level inputs - extends battery life in backup-retention applications |
| 3.3V TTL-Compatible I/O | VIH = 2.0 V min, VIL = 0.8 V max - ensures robust noise margin and direct interfacing with FPGA/CPLD I/O banks |
Applications
| Industrial PLC Communication Bridge | Dual-Core DSP Memory Coherency |
|---|---|
Use Scenario: Two independent PLC CPUs share status, command, and fault data across a common memory space without bus arbitration logic. IC Role / Device Role / Timing Role: 70V06L25PF8 acts as a non-blocking memory bridge with hardware BUSY flag signaling to prevent concurrent writes to shared registers. Use Value: Eliminates need for external glue logic and reduces inter-CPU handshake latency to ≤20 ns (tBAA), enabling sub-millisecond control loop synchronization. | Use Scenario: A dual-core DSP system requires low-latency, deterministic sharing of filter coefficients and FFT buffers between processing cores. IC Role / Device Role / Timing Role: 70V06L25PF8 provides independent 25 ns access per core, with semaphore flags coordinating buffer ownership and preventing race conditions. Use Value: Enables lock-free data exchange with guaranteed atomic flag updates (tSOP = 10 ns), increasing effective throughput by >35% vs. software-managed shared memory. |
| Telecom Line Card Packet Buffer | Automotive ADAS Sensor Fusion Hub |
Use Scenario: A line card processor and network interface ASIC exchange packet headers and metadata in real time with minimal jitter. IC Role / Device Role / Timing Role: 70V06L25PF8 serves as a dual-port FIFO buffer with interrupt-driven notification (INTL/INTR) for packet arrival and readiness. Use Value: Reduces packet processing latency variance to <5 ns (tINR/tINS), meeting strict jitter budgets for IEEE 1588 PTP timestamping in carrier-grade equipment. | Use Scenario: Camera, radar, and ultrasonic sensor processors write fused object lists to a central memory region accessible by the main ADAS controller. IC Role / Device Role / Timing Role: 70V06L25PF8 operates as a safety-critical shared memory hub with BUSY-flag arbitration ensuring deterministic write ordering during sensor fusion bursts. Use Value: Guarantees memory coherency under worst-case timing (tBDD ≤ 30 ns), satisfying ASIL-B functional safety requirements for sensor data integrity. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar dual-port SRAM applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| CY7C024AV-25AXC | 25 ns access, 16K × 16 organization, 100-pin TQFP, 3.3V only; no integrated semaphore logic | Requires external arbitration logic for semaphore use; wider data bus suits 16-bit microcontrollers | Select when 16-bit word width is required and external logic is acceptable for inter-processor signaling |
| AS7C316000B-25JIN | 25 ns access, 16K × 16, 100-pin TQFP, 3.3V/2.5V dual-supply; no BUSY/interrupt features | Lacks hardware arbitration - relies on software protocols or external CPLD for contention management | Choose for cost-sensitive, non-real-time applications where deterministic arbitration is not required |
Compared with CY7C024AV-25AXC and AS7C316000B-25JIN, the 70V06L25PF8 uniquely delivers integrated semaphore, interrupt, and BUSY arbitration in a compact 64-pin TQFP - reducing BOM count, PCB area, and firmware complexity for tightly coupled dual-processor systems.
Availability
70V06L25PF8 is available at Aetrix Electronics and suitable for industrial PLCs, telecom line cards, dual-core DSP subsystems, and automotive ADAS sensor hubs requiring stable component supply, long-term lifecycle support, and traceable sourcing.
Supply support for 70V06L25PF8 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) is a fabless semiconductor company specializing in high-performance timing, memory interface, RF, and sensor signal conditioning ICs, now part of Renesas Electronics.
The 70V06L25PF8 belongs to IDT's legacy dual-port SRAM product line, designed specifically for deterministic, low-latency inter-processor communication in real-time embedded systems requiring hardware-enforced memory coherency.
FAQ
What is the maximum operating speed of the 70V06L25PF8?
The 70V06L25PF8 has a maximum read cycle time (tRC) of 25 ns, supporting up to 40 MHz sustained random access on each port. This speed is guaranteed over the full industrial temperature range (–40°C to +85°C) and 3.3V ± 0.3V supply, making it suitable for real-time control loops and high-throughput data exchange in the 70V06L25PF8-based systems.
Does the 70V06L25PF8 support battery backup operation?
Yes, the 70V06L25PF8 supports battery backup operation with data retention down to 2.0 V on VDD. In this mode, standby current drops to ≤5 µA (ISB3), preserving memory contents during main power loss while maintaining fast wake-up capability - a critical feature for fault logging and state recovery in the 70V06L25PF8-based industrial controllers.
How does the BUSY arbitration work on the 70V06L25PF8?
The 70V06L25PF8 generates BUSY flags (BUSYL/BUSYR) when both ports attempt to access the same address simultaneously. With M/S = VIH (Master), BUSY outputs indicate contention; with M/S = VIL (Slave), BUSY inputs inhibit writes. The arbitration priority setup time (tAPS = 5 ns) ensures deterministic resolution, and tBDD ≤ 30 ns defines the delay from BUSY deassertion to valid read data - all essential timing parameters for reliable operation of the 70V06L25PF8 in multi-processor environments.
Can the 70V06L25PF8 be used in a Master/Slave configuration?
Yes, the 70V06L25PF8 supports Master/Slave cascading via the M/S pin: when M/S = VIH, BUSY signals are outputs for arbitration; when M/S = VIL, BUSY signals become inputs to accept arbitration from a master device. This allows expansion to 16-bit or wider data paths without external logic - a core design feature explicitly supported in the 70V06L25PF8 datasheet and functional block diagram.
What are the interrupt mailbox addresses for the 70V06L25PF8?
The 70V06L25PF8 uses fixed addresses for interrupt signaling: writing to address 3FFFh sets the right-port interrupt flag (INTR), and reading that address clears it; writing to 3FFEh sets the left-port flag (INTL), and reading clears it. These mailboxes operate independently of general memory access and are integral to the 70V06L25PF8's inter-processor communication architecture - enabling zero-software-overhead notification between synchronized processors.
70V06L25PF8 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:
- 128Kbit
- Memory Organization:
- 16K x 8
- Memory Interface:
- Parallel
- Clock Frequency:
- -
- Write Cycle Time - Word, Page:
- 25ns
- Access Time:
- 25 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)
70V06L25PF8 FAQ
1.How can I place an order for 70V06L25PF8 through Aetrix?
Please submit a Request for Quotation (RFQ) for 70V06L25PF8 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 70V06L25PF8 reliable?
The price and inventory of 70V06L25PF8 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for 70V06L25PF8 is usually 5 days.
3.What payment methods are accepted for 70V06L25PF8?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for 70V06L25PF8 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for 70V06L25PF8?
70V06L25PF8 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your 70V06L25PF8 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 70V06L25PF8?
For technical support, including 70V06L25PF8 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your 70V06L25PF8 requirements.
6.How does Aetrix verify that 70V06L25PF8 is sourced from the original manufacturer or authorized distributors?
All 70V06L25PF8 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 70V06L25PF8 meets industry standards.
7.What is the process for return or replacement of 70V06L25PF8?
All 70V06L25PF8 units undergo pre-shipment inspection (PSI). If there is an issue with 70V06L25PF8, 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 70V06L25PF8 part is unused and in its original packaging.
Return procedure for 70V06L25PF8:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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