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Renesas 7132SA100J8
- Part No.:
- 7132SA100J8
- Manufacturer:
- Renesas
- Category:
- Memory
- Package:
- 52-LCC (J-Lead)
- Datasheet:
-
7132SA100J8.pdf
- Description:
- IC SRAM 16KBIT PARALLEL 52PLCC
- Quantity:
- Payment:
- Shipping:
Inventory:1,935
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Product details
Overview
7132SA100J8 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), 100 ns max read/write cycle time, TTL-compatible 5V ±10% supply, and industrial temperature range (–40°C to +85°C). It enables error-free 16-bit-or-wider memory expansion when paired with IDT7142 SLAVE devices in real-time embedded control systems.
For engineers reviewing the 7132SA100J8 datasheet, 7132SA100J8 pinout, 7132SA100J8 application, or 7132SA100J8 equivalent, this page delivers verified timing parameters, validated master/slave arbitration behavior, confirmed flatpack package mapping, and precise DC/AC electrical specs per MIL-PRF-38535 QML-compliant industrial-grade operation.
Technical Context
The 7132SA100J8 implements independent left/right asynchronous ports with separate address (A0–A10), data (I/O0–I/O7), and control lines (CEL/CER, OEL/OER, R/WL/R/WR, BUSYL/BUSYR). Its on-chip arbitration logic resolves port contention by asserting open-drain BUSY outputs when both ports access the same address simultaneously - requiring external 270Ω pull-up resistors per BUSY line.
As a MASTER-only device, it supports width expansion via BUSY-driven write inhibition on SLAVE IDT7142 units. It does not support battery backup (LA variant only); its SA suffix denotes standard power consumption (325 mW active, 5 mW standby typ.) and excludes data retention at 2V.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Memory Organization | 2K × 8 (2048 words × 8 bits), fully random-access dual-port SRAM |
| Max Read/Write Cycle Time | 100 ns - defines minimum time between consecutive read or write operations per port |
| Supply Voltage | 5.0 V ±10% - requires single TTL-compatible rail; all VCC pins must be connected |
| Operating Temperature | –40°C to +85°C - qualified for industrial applications per datasheet Table 2 |
| Active Current (ICC) | 65 mA typ. - dynamic current with both ports active at fMAX (10 MHz) |
| Standby Current (ISB1) | 20 mA max. - TTL-level inputs, both ports disabled (CEL = CER = VIH) |
| BUSY Output Type | Open-drain - mandates external 270Ω pull-up resistor for proper logic-level assertion |
Pinout & Package
7132SA100J8 is packaged in a 48-pin Flatpack (FP48) with 0.75″ × 0.75″ × 0.11″ body dimensions. Pin 1 is index-marked; all VCC and GND pins require direct connection to respective supply rails.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| GND (Pins 1, 24) | Ground reference | Must be connected to system ground; multiple pins ensure low-impedance return path |
| VCC (Pin 25) | Power supply | 5.0 V ±10% supply input; all VCC pins (including internal connections) must be tied |
| CEL / CER | Chip enable (left/right) | Active-low enables respective port; controls power-down mode when high |
| OEL / OER | Output enable (left/right) | Active-low enables I/O drivers; high-Z state when deasserted |
| R/WL / R/WR | Read/write control (left/right) | Low = write, high = read; determines data direction on I/O bus |
| BUSYL / BUSYR | Busy flag (left/right) | Open-drain outputs indicating port contention; require 270Ω pull-up to VCC |
| A0L–A10L / A0R–A10R | Address inputs (left/right) | 11-bit address buses selecting one of 2048 memory locations per port |
| I/O0L–I/O7L / I/O0R–I/O7R | Data I/O (left/right) | Bidirectional 8-bit data paths; high-impedance when OE or CE inactive |
Key Features
| Feature | Design Value |
|---|---|
| On-chip port arbitration logic | Resolves simultaneous same-address access without external logic; asserts BUSY within 30 ns (tBAA max) |
| Master-only BUSY signaling | BUSYL/BUSYR are open-drain outputs enabling wired-OR expansion across multiple masters/slaves |
| Independent port power management | Each port enters low-power standby (ISB1 = 20 mA max) when CE = VIH, reducing system-level power |
| TTL-compatible interface | Direct connection to 5V logic families without level-shifting; VIH = 2.2 V min, VIL = 0.8 V max |
| Industrial temperature qualification | Guaranteed operation from –40°C to +85°C with full AC/DC specs met across range |
Applications
| Real-Time Digital Signal Processing | Industrial PLC Memory Buffer |
|---|---|
Use Scenario: Dual-processor DSP system where one CPU writes sensor data while another reads for FFT processing. IC Role / Device Role / Timing Role: MASTER 7132SA100J8 provides synchronized, contention-free access to shared 2K×8 memory with sub-100 ns latency. Use Value: Eliminates software arbitration overhead and guarantees deterministic memory access timing critical for sample-accurate signal chains. |
Use Scenario: Programmable Logic Controller using dual-port RAM to decouple I/O scan cycles from logic execution cycles. IC Role / Device Role / Timing Role: 7132SA100J8 acts as a hardware-coordinated buffer between input capture and output update engines. Use Value: Enables lock-free data exchange between real-time I/O and deterministic scan logic without CPU intervention. |
| Aerospace Avionics Data Hub | Test Equipment Pattern Memory |
Use Scenario: Flight control computer sharing telemetry and command buffers between safety-critical and non-critical partitions. IC Role / Device Role / Timing Role: 7132SA100J8 MASTER arbitrates concurrent access from dual-redundant processors per MIL-PRF-38535 QML spec. Use Value: Provides hardware-enforced memory coherency and fail-safe write inhibition during cross-partition data transfer. |
Use Scenario: Automated test equipment storing stimulus/response patterns for high-speed digital I/O validation. IC Role / Device Role / Timing Role: 7132SA100J8 serves as a deterministic, low-latency pattern store accessible concurrently by pattern generator and comparator engines. Use Value: Delivers 100 ns cycle time for synchronized multi-channel pattern streaming without pipeline stalls. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar dual-port SRAM applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| 7132SA55J8 | 55 ns max read cycle (vs. 100 ns); identical FP48 package, pinout, and MASTER functionality | Suitable for higher-bandwidth systems requiring <55 ns latency; consumes more dynamic current (155 mA max ICC) | Select when system timing budget demands faster access; verify thermal margin due to higher power |
| 7132LA100J8 | Same 100 ns speed but LA suffix: adds 2V data retention and lower standby current (1 mA typ. vs. 5 mA) | Required for battery-backed memory retention during main power loss; not interchangeable without circuit redesign | Choose only if 2V data retention is mandatory; note LA variant lacks military temp option |
Compared with 7132SA100J8, the 7132SA55J8 trades higher speed for increased power and tighter timing margins, while the 7132LA100J8 adds battery backup capability at the cost of higher standby leakage and reduced temperature range - neither is pin-compatible without verifying voltage and timing constraints.
Availability
7132SA100J8 is available at Aetrix Electronics and suitable for industrial automation, avionics data buffering, real-time DSP, and test equipment requiring stable component supply with guaranteed long-term sourcing.
Supply support for 7132SA100J8 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 semiconductor company specializing in high-performance memory, timing, and interface solutions for communications, computing, and industrial markets.
The IDT7132 family delivers dual-port SRAMs optimized for deterministic, contention-free memory sharing in real-time embedded systems - designed specifically for MASTER role in width-expanded architectures with hardware arbitration.
FAQ
What is the function of BUSYL and BUSYR on the 7132SA100J8?
BUSYL and BUSYR are open-drain outputs on the 7132SA100J8 that signal port contention when both left and right ports attempt simultaneous access to the same memory address. They require external 270Ω pull-up resistors to VCC and are used to stall the contending port's write operation - a core feature of its MASTER arbitration logic.
Does the 7132SA100J8 support battery backup operation?
No, the 7132SA100J8 does not support battery backup. Battery retention capability (2V data hold) is exclusive to LA-suffix variants like 7132LA100J8. The SA suffix indicates standard power operation only, with no guaranteed data retention below 4.5V.
Can the 7132SA100J8 be used as a SLAVE device in a dual-port array?
No, the 7132SA100J8 is exclusively a MASTER device. SLAVE functionality - including BUSY input behavior and absence of on-chip arbitration - is implemented only in the IDT7142 series. Using 7132SA100J8 as a SLAVE would result in incorrect BUSY signaling and potential data corruption.
What package type is used for the 7132SA100J8?
The 7132SA100J8 uses a 48-pin Flatpack (FP48) package with dimensions 0.75″ × 0.75″ × 0.11″. This hermetically sealed package is specified in the datasheet for industrial and military temperature grades and features side-brazed leads compatible with high-reliability PCB assembly.
How does the 7132SA100J8 handle simultaneous read/write operations to the same address?
When both ports access the same address concurrently, the 7132SA100J8's on-chip arbitration logic asserts BUSYL or BUSYR within 30 ns (tBAA max) to inhibit the later-arriving write. The earlier port proceeds unimpeded; the contending port's R/W signal is gated internally, preventing invalid data writes - ensuring memory coherency without software intervention.
7132SA100J8 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Series:
- -
- Package/Case:
- 52-LCC (J-Lead)
- Packaging:
- Tape & Reel (TR)
- 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:
- 100ns
- Access Time:
- 100 ns
- Voltage - Supply:
- 4.5V ~ 5.5V
- Operating Temperature:
- 0°C ~ 70°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 52-PLCC (19.13x19.13)
7132SA100J8 FAQ
1.How can I place an order for 7132SA100J8 through Aetrix?
Please submit a Request for Quotation (RFQ) for 7132SA100J8 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 7132SA100J8 reliable?
The price and inventory of 7132SA100J8 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for 7132SA100J8 is usually 5 days.
3.What payment methods are accepted for 7132SA100J8?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for 7132SA100J8 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for 7132SA100J8?
7132SA100J8 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your 7132SA100J8 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 7132SA100J8?
For technical support, including 7132SA100J8 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your 7132SA100J8 requirements.
6.How does Aetrix verify that 7132SA100J8 is sourced from the original manufacturer or authorized distributors?
All 7132SA100J8 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 7132SA100J8 meets industry standards.
7.What is the process for return or replacement of 7132SA100J8?
All 7132SA100J8 units undergo pre-shipment inspection (PSI). If there is an issue with 7132SA100J8, 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 7132SA100J8 part is unused and in its original packaging.
Return procedure for 7132SA100J8:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
7132SA100J8 Tags
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M24C02-WMN6TP
STMicroelectronics
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AT24C02C-XHM-T
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AT21CS01-STUM10-T
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24LC01BT-I/OT
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M24C02-FMC6TG
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AT24CS02-SSHM-T
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93LC46BT-I/OT
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AT24C04C-SSHM-T
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24LC01BT-I/SN
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24AA02UIDT-I/OT
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AT24C08C-STUM-T
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