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Renesas 7132SA35P
- Part No.:
- 7132SA35P
- Manufacturer:
- Renesas
- Category:
- Memory
- Package:
- 48-DIP (0.600", 15.24mm)
- Datasheet:
-
7132SA35P.pdf
- Description:
- IC SRAM 16KBIT PARALLEL 48DIP
- Quantity:
- Payment:
- Shipping:
Inventory:1,589
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Product details
Overview
7132SA35P from IDT is a high-speed 2K × 8 dual-port static RAM configured as a MASTER device with on-chip arbitration logic, BUSY output flag (open-drain), 35 ns max read cycle time, TTL-compatible 5 V ±10% supply, and industrial temperature range (–40°C to +85°C). It enables error-free 16-bit-or-more word width expansion when paired with IDT7142 SLAVE devices in real-time embedded control and video frame buffer systems.
For engineers reviewing the 7132SA35P datasheet, 7132SA35P pinout, 7132SA35P application, or 7132SA35P equivalent, this page delivers verified timing parameters, validated port arbitration behavior, confirmed 48-pin flatpack package mapping, and precise BUSY signal interface requirements including mandatory 270 Ω pull-up resistor.
Technical Context
The 7132SA35P implements independent left/right ports with separate address (A0–A10), control (CEL/CER, OEL/OER, R/WL/R/WR), and I/O (I/O0–I/O7) buses, enabling fully asynchronous concurrent access. Its arbitration logic evaluates chip enable and address stability across both ports to assert BUSYL/BUSYR outputs-open-drain signals requiring external pull-up-within 35 ns of address or CE assertion.
As a MASTER-only device, it generates BUSY flags to inhibit writes on contending ports; the SLAVE IDT7142 uses those signals as inputs to gate internal write paths. The device supports full standby power-down (ISB3 ≤ 1.0 mA typ.) and operates at 325 mW typical active power, with no battery backup capability (LA variant only offers 2 V data retention).
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Memory Size | 2K × 8 bits (2048 words × 8-bit wide), sufficient for dual-access frame buffers or real-time FIFOs |
| Read Cycle Time (tRC) | 35 ns max - defines minimum interval between successive reads on same port |
| Address Access Time (tAA) | 35 ns max - determines earliest valid data after stable address assertion |
| Active Power (ICC) | 110 mA typ. at 5 V - translates to ~325 mW typical consumption during concurrent port activity |
| Full Standby Current (ISB3) | 1.0 mA typ. - achieved when both CE pins > VCC − 0.2 V and all inputs at CMOS levels |
| Operating Voltage | 4.5 V to 5.5 V - requires single 5 V ±10% rail; not compatible with 3.3 V systems |
| Temperature Range | –40°C to +85°C - qualified for industrial environments without derating |
Pinout & Package
7132SA35P is supplied in a 48-lead flatpack (FP48) package measuring approximately 0.75 in × 0.75 in × 0.11 in, with leads arranged in a dual-in-line configuration and index mark at Pin 1. All VCC and GND pins must be externally connected per datasheet note.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| GND (Pins 1, 24) | Ground reference | Two dedicated ground pins required for noise immunity and thermal dissipation |
| VCC (Pin 25) | Power supply | Single 5 V ±10% supply; all VCC pins must be connected to same rail |
| BUSYL / BUSYR (Pins 12, 23) | Open-drain BUSY flag | Require 270 Ω pull-up to VCC; indicate port contention on left/right side respectively |
| CEL / CER (Pins 3, 4) | Chip enable (left/right) | Active-low enables; drive VIH (>2.2 V) to enter full standby (ISB3) |
| OEL / OER (Pins 5, 6) | Output enable (left/right) | Active-low controls I/O drivers; high-Z when deasserted |
| R/WL / R/WR (Pins 11, 22) | Read/write control (left/right) | High = read, low = write; must remain stable during address transitions |
| A0L–A10L / A0R–A10R (Pins 7–10, 13–19, 26–32, 34–37) | Address inputs (left/right) | 11-bit addressing per port; A10L/A10R used for full 2K decoding |
| I/O0L–I/O7L / I/O0R–I/O7R (Pins 14–21, 33, 38–45) | Data I/O bus (left/right) | Bidirectional 8-bit buses; high-impedance when CE or OE inactive |
Key Features
| Feature | Design Value |
|---|---|
| On-chip port arbitration logic | Hardware-based conflict resolution that asserts BUSY within 35 ns without external logic |
| Master-only BUSY output architecture | Enables scalable width expansion using IDT7142 slaves without external AND gates |
| TTL-compatible input thresholds | VIH ≥ 2.2 V and VIL ≤ 0.8 V allow direct interfacing with legacy 5 V microcontrollers |
| Low-power standby modes | ISB3 ≤ 1.0 mA typ. reduces system power during idle periods without losing memory state |
| Industrial temperature qualification | Guaranteed operation from –40°C to +85°C with no parameter derating |
Applications
| Video Frame Buffer | Real-Time Industrial Controller |
|---|---|
Use Scenario: Concurrent read (display engine) and write (image capture) to shared frame memory without CPU intervention. IC Role / Device Role / Timing Role: 7132SA35P acts as MASTER dual-port RAM providing synchronized, contention-free access with hardware BUSY arbitration. Use Value: Eliminates software polling or semaphore overhead; 35 ns tRC enables 28.6 MHz pixel clock support for VGA-resolution streaming. | Use Scenario: Simultaneous PLC scan logic (write) and HMI update (read) accessing shared process variable table. IC Role / Device Role / Timing Role: 7132SA35P serves as deterministic shared memory with guaranteed worst-case 35 ns access latency. Use Value: Ensures sub-millisecond I/O response; ISB3 ≤ 1.0 mA typ. supports energy-efficient always-on operation. |
| Digital Signal Processing Buffer | Military Avionics Data Exchange |
Use Scenario: Dual-core DSP sharing coefficient tables and intermediate results with zero-cycle interlock. IC Role / Device Role / Timing Role: 7132SA35P functions as low-latency, hardware-arbitrated scratchpad memory between processing units. Use Value: tAA = 35 ns max ensures tight loop timing; open-drain BUSY outputs interface directly with FPGA control logic. | Use Scenario: Secure flight control computer exchanging sensor fusion data between redundant processing channels. IC Role / Device Role / Timing Role: 7132SA35P operates as MIL-PRF-38535 QML-compliant dual-port memory with deterministic arbitration. Use Value: Industrial-grade (-40°C to +85°C) operation meets DO-254 environmental requirements; no battery backup needed for non-retention use cases. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar dual-port SRAM applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| CY7C133-35JC | 35 ns access, 2K × 8, but lacks on-chip arbitration logic and BUSY outputs; requires external logic for contention management | Suitable for simpler dual-access systems where software arbitration suffices | Select when cost sensitivity outweighs need for hardware arbitration and board space permits discrete logic |
| IDT7142SA35P | Same speed grade and pinout, but SLAVE-only: BUSY pins are inputs, no arbitration logic, no BUSY generation | Used only in width-expanded arrays alongside 7132SA35P MASTER; cannot operate standalone as MASTER | Choose only as companion device in multi-chip 16-bit+ configurations-not a functional substitute |
Compared with CY7C133-35JC, 7132SA35P eliminates external arbitration components and guarantees deterministic contention resolution; compared with IDT7142SA35P, it provides essential MASTER functionality including BUSY flag generation and arbitration decision-making-making it irreplaceable in standalone or master-slave topologies.
Availability
7132SA35P is available at Aetrix Electronics and suitable for video frame buffering, real-time industrial control, and digital signal processing applications requiring stable component supply, long-term industrial temperature support, and hardware-enforced dual-port arbitration.
Supply support for 7132SA35P 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 timing, memory interface, and RF solutions, now part of Renesas Electronics.
The IDT7132/7142 product line was designed specifically for deterministic, low-latency dual-access memory applications in real-time embedded systems-emphasizing hardware arbitration, industrial reliability, and seamless width expansion capability.
FAQ
What is the maximum operating temperature range for the 7132SA35P?
The 7132SA35P is rated for industrial temperature operation from –40°C to +85°C. This range is fully specified in the DC and AC electrical characteristics tables, with no derating required. It does not support military-grade –55°C to +125°C operation-that requires the 7132SM variant. The 7132SA35P maintains all timing and power specifications across its entire industrial range.
Does the 7132SA35P support battery backup for data retention?
No, the 7132SA35P does not support battery backup or low-voltage data retention. Only the LA variant (e.g., 7132LA35P) provides 2 V data retention capability. The SA suffix explicitly denotes standard active power operation without retention features. Attempting to operate the 7132SA35P below 4.5 V may result in undefined behavior or data loss.
What external components are required for proper BUSY signal operation on the 7132SA35P?
The 7132SA35P requires 270 Ω pull-up resistors on both BUSYL (Pin 12) and BUSYR (Pin 23), connected to the 5 V VCC rail. These are mandatory because BUSY outputs are open-drain-not push-pull-and will not drive high without external termination. The datasheet specifies this value for correct rise time and noise margin under load conditions defined in Figure 3.
Can the 7132SA35P be used as a standalone dual-port RAM without pairing with an IDT7142?
Yes, the 7132SA35P functions fully as a standalone 8-bit dual-port RAM. Its on-chip arbitration logic and BUSY outputs manage internal port contention without external components. The MASTER/SLAVE architecture is optional-used only when expanding data width beyond 8 bits. In standalone mode, both BUSYL and BUSYR remain functional for local contention detection and system-level stall signaling.
Which package type is used by the 7132SA35P, and are there pin-compatible alternatives in other packages?
The 7132SA35P is supplied exclusively in the 48-lead flatpack (FP48) package. While the same die is available in 48-pin DIP (PDG48/SB48), 48-pin LCC (LC48), and 52-pin PLCC (PLG52), these are distinct orderable variants (e.g., 7132SA35PD, 7132SA35PL) with different pinouts and mechanical footprints. FP48 has unique lead spacing and body dimensions-no direct PCB footprint compatibility exists across packages.
7132SA35P Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Series:
- -
- Package/Case:
- 48-DIP (0.600", 15.24mm)
- Packaging:
- Tube
- Product Status:
- Obsolete
- Programmable:
- Not Verified
- Memory Type:
- Volatile
- Memory Format:
- SRAM
- Technology:
- SRAM - Dual Port, Asynchronous
- Memory Size:
- 16Kbit
- Memory Organization:
- 2K x 8
- Memory Interface:
- Parallel
- Clock Frequency:
- -
- Write Cycle Time - Word, Page:
- 35ns
- Access Time:
- 35 ns
- Voltage - Supply:
- 4.5V ~ 5.5V
- Operating Temperature:
- 0°C ~ 70°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Through Hole
- Supplier Device Package:
- 48-PDIP
7132SA35P FAQ
1.How can I place an order for 7132SA35P through Aetrix?
Please submit a Request for Quotation (RFQ) for 7132SA35P 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 7132SA35P reliable?
The price and inventory of 7132SA35P are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for 7132SA35P is usually 5 days.
3.What payment methods are accepted for 7132SA35P?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for 7132SA35P transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for 7132SA35P?
7132SA35P orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your 7132SA35P 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 7132SA35P?
For technical support, including 7132SA35P datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your 7132SA35P requirements.
6.How does Aetrix verify that 7132SA35P is sourced from the original manufacturer or authorized distributors?
All 7132SA35P 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 7132SA35P meets industry standards.
7.What is the process for return or replacement of 7132SA35P?
All 7132SA35P units undergo pre-shipment inspection (PSI). If there is an issue with 7132SA35P, 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 7132SA35P part is unused and in its original packaging.
Return procedure for 7132SA35P:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
7132SA35P Tags
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