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Renesas 7132SA100P
- Part No.:
- 7132SA100P
- Manufacturer:
- Renesas
- Category:
- Memory
- Package:
- 48-DIP (0.600", 15.24mm)
- Datasheet:
-
7132SA100P.pdf
- Description:
- IC SRAM 16KBIT PARALLEL 48DIP
- Quantity:
- Payment:
- Shipping:
Inventory:4,180
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Product details
Overview
IDT7132SA100P from Integrated Device Technology (IDT) is a high-speed 2K × 8 dual-port static RAM configured as a MASTER device with on-chip arbitration logic, BUSY output flag, and 100 ns maximum read/write cycle time. It operates at 5V ±10%, supports independent asynchronous access on left/right ports, and enables 16-bit-or-wider memory expansion when paired with IDT7142 SLAVE devices in real-time embedded control systems.
For engineers reviewing the IDT7132SA100P datasheet, IDT7132SA100P pinout, IDT7132SA100P application, or IDT7132SA100P equivalent, key selection considerations include its open-drain BUSY output requiring 270 Ω pull-up, 48-pin flatpack (FP48) package compatibility, industrial temperature range (–40°C to +85°C), and master-side arbitration timing parameters (tBAA ≤ 50 ns, tBDD ≤ 65 ns).
Technical Context
The IDT7132SA100P implements hardware-based port arbitration using address and chip-enable inputs-ignoring R/W polarity-to assert BUSY outputs (BUSYL/BUSYR) when both ports access the same memory location. Its open-drain BUSY pins require external 270 Ω pull-up resistors for proper logic-level translation and system-level contention resolution.
It features two fully independent ports with separate A0–A10, I/O0–I/O7, CE/OE/R/W controls, enabling simultaneous read/write operations without external logic. The device enters low-power standby (ISB3 ≤ 4 µA) when both CEs are high, and supports battery backup data retention only in LA variants-not applicable to this SA-grade part.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Memory Size | 2K × 8 bits (2048 words × 8-bit wide), providing 16 KB total storage capacity per port |
| Access Time | 100 ns max read cycle time (tRC), defining minimum interval between successive reads on same port |
| Supply Voltage | 5.0 V ±10% (4.5–5.5 V), compatible with standard TTL logic families and legacy 5V system rails |
| Operating Temp | –40°C to +85°C (industrial grade), validated for use in motor drives, industrial PLCs, and avionics subsystems |
| Standby Current | ≤ 4 µA (ISB3, full CMOS standby), enabling ultra-low-power hold mode during processor sleep states |
| BUSY Timing | tBDD ≤ 65 ns (BUSY disable to valid data), critical for synchronizing write completion across master/slave configurations |
| Package | 48-lead flatpack (FP48), 0.75″ × 0.75″ × 0.11″ footprint with side-braze hermetic sealing for high-reliability applications |
Pinout & Package
Package: 48-pin flatpack (FP48), hermetically sealed ceramic body with side-braze leads; dimensions 0.75 in × 0.75 in × 0.11 in; requires all VCC and GND pins to be connected per datasheet Note 1–2.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| GND (Pins 1, 24) | Ground reference | Must be connected to system ground plane; dual GND pins reduce ground bounce in high-speed operation |
| VCC (Pin 25) | Power supply | 5V ±10% supply input; single VCC pin shared by both ports; decoupling capacitor required within 0.5 inch |
| BUSYL / BUSYR (Pins 12, 23) | Open-drain arbitration flag | Active-low signals indicating port contention; require 270 Ω external pull-up to VCC per datasheet Note 2 |
| CEL / CER (Pins 3, 4) | Chip enable (left/right) | Asynchronous port activation; high = standby (ISB1/ISB3), low = active; controls power-down state per port |
| OEL / OER (Pins 5, 44) | Output enable (left/right) | Tri-states I/O bus when high; allows shared data bus usage without external bus transceivers |
| R/WL / R/WR (Pins 11, 22) | Read/write direction (left/right) | Low = write, high = read; determines data flow direction on I/O lines during CE-active cycles |
| A0L–A10L / A0R–A10R (Pins 6–10, 13–19, 30–34, 40–43) | Address inputs (left/right) | 11-bit address buses selecting one of 2048 memory locations per port; no internal latching |
| I/O0L–I/O7L / I/O0R–I/O7R (Pins 14–17, 20–21, 26–29, 35–39, 45–48) | Data I/O (left/right) | Bidirectional 8-bit data paths; high-impedance when OE high or CE high; driven by internal drivers during active cycles |
Key Features
| Feature | Design Value |
|---|---|
| On-chip arbitration logic | Hardware-resolved port contention without external gates; uses address + CE match detection to assert BUSY |
| Master-only BUSY output | BUSYL/BUSYR are open-drain outputs (not inputs); enables wired-OR expansion across multiple masters in depth-expanded arrays |
| Independent port power control | Per-port CE enables selective standby: one port active (ISB2 ≤ 90 mA), other in full CMOS standby (ISB4 ≤ 85 mA) |
| TTL-compatible interface | Direct connection to 5V microcontrollers, FPGAs, and ASICs without level-shifting; VIH = 2.2 V min, VIL = 0.8 V max |
| Industrial temperature support | Validated operation from –40°C to +85°C at 100 ns speed grade; qualified per MIL-PRF-38535 QML for high-reliability deployment |
Applications
| Real-Time Motor Control | Digital Signal Processing Buffer |
|---|---|
|
Use Scenario: Simultaneous position feedback capture (left port) and PWM command update (right port) in servo drive firmware. IC Role / Device Role / Timing Role: Dual-port RAM acts as coherently shared register file between motion controller CPU and FPGA-based current loop engine. Use Value: Eliminates software semaphore overhead and guarantees atomic 2K-word data exchange at 10 MHz effective bandwidth. |
Use Scenario: Streaming FFT input buffer where ADC samples fill one port while DSP core reads transformed results from the other. IC Role / Device Role / Timing Role: Serves as zero-wait-state ping-pong memory between pipeline stages, synchronized via BUSY arbitration. Use Value: Enables continuous 100 ns-cycle throughput without DMA stalls or FIFO overflow in 16-bit audio processing chains. |
| Avionics Data Acquisition | Industrial PLC I/O Mapping |
|
Use Scenario: Redundant sensor fusion module reading analog inputs (left port) while writing health status to flight management system (right port). IC Role / Device Role / Timing Role: MASTER IDT7132SA100P coordinates with IDT7142 SLAVEs to form fault-tolerant 32-bit memory banks. Use Value: Hardware arbitration prevents corrupted writes during cross-channel sampling misalignment under EMI stress. |
Use Scenario: Distributed control network node buffering fieldbus commands (right port) and local actuator feedback (left port) in cyclic scan mode. IC Role / Device Role / Timing Role: Provides deterministic 100 ns memory access for hard real-time I/O image updates in 2 ms PLC scan cycles. Use Value: Guarantees sub-microsecond interlock response for safety-critical emergency stop sequences. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar dual-port SRAM applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| Cypress CY7C136-100AXC | 100 ns access, 2K × 8, but lacks on-chip arbitration logic and BUSY outputs; requires external logic for contention resolution | Not suitable for master/slave expansion without added gates; limited to single-port or externally arbitrated dual-port use cases | Select only if arbitration is handled in FPGA or if cost sensitivity outweighs design simplicity requirements |
| ISSI IS61LV25616AL-100TQLI | 100 ns, 256K × 16 configuration; wider data bus but no BUSY signaling; CMOS-only I/O, no TTL compatibility | Requires level shifters for 5V systems; no hardware contention management-software polling or external arbiter needed | Prefer for high-density memory needs where arbitration is unnecessary and voltage scaling to 3.3V is acceptable |
Compared with CY7C136-100AXC and IS61LV25616AL-100TQLI, the IDT7132SA100P uniquely integrates arbitration logic and open-drain BUSY outputs in a TTL-compatible 5V package-enabling drop-in replacement in legacy industrial controllers without layout or firmware changes.
Availability
IDT7132SA100P is available at Aetrix Electronics and suitable for real-time motor control, digital signal processing buffers, avionics data acquisition, and industrial PLC I/O mapping requiring stable component supply across extended product lifecycles.
Supply support for IDT7132SA100P 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
Integrated Device Technology (IDT) is a fabless semiconductor company specializing in timing, memory interface, RF, and sensor solutions for communications, computing, and industrial markets.
The IDT7132SA100P belongs to IDT's high-speed dual-port SRAM product line, designed specifically for deterministic, low-latency memory sharing between heterogeneous processors, FPGAs, and real-time control subsystems.
FAQ
What is the function of the BUSY pins on the IDT7132SA100P?
The BUSYL and BUSYR pins on the IDT7132SA100P are open-drain outputs that signal port contention when both left and right ports attempt simultaneous access to the same memory address. They require 270 Ω pull-up resistors to VCC and are used to stall one port's write operation until the other completes-ensuring data integrity in master/slave configurations. This behavior is intrinsic to the IDT7132SA100P's on-chip arbitration logic.
Does the IDT7132SA100P support battery backup data retention?
No, the IDT7132SA100P does not support battery backup data retention. That feature is exclusive to the LA variant (e.g., IDT7132LA100P), which specifies 2V data retention capability. The "SA" suffix denotes standard power operation only, with standby current ISB3 ≤ 4 µA at 5V but no guaranteed retention below nominal supply.
Which packages are available for the IDT7132SA100P?
The IDT7132SA100P is offered in 48-pin flatpack (FP48), 48-pin LCC (LC48), 48-pin DIP (PDG48/SB48), and 52-pin PLCC (PLG52) packages. The FP48 variant-used in the IDT7132SA100P-is a hermetically sealed ceramic flatpack measuring 0.75″ × 0.75″ × 0.11″, optimized for high-reliability industrial and aerospace applications.
Can the IDT7132SA100P be used as a SLAVE device in a dual-port array?
No, the IDT7132SA100P is strictly a MASTER device. Its BUSY pins are outputs, and it contains on-chip arbitration logic-features absent in SLAVE devices like the IDT7142 series. To build a 16-bit-or-wider array, the IDT7132SA100P must serve as the MASTER, coordinating with one or more IDT7142 SLAVE parts whose BUSY pins are inputs and lack arbitration circuitry.
What is the maximum operating frequency implied by the 100 ns access time of the IDT7132SA100P?
The 100 ns access time (tRC) of the IDT7132SA100P defines the minimum read or write cycle period-translating to a maximum sustained throughput of 10 MHz per port. This assumes full address/control setup and hold timing compliance; actual system clock rate depends on controller interface timing margins, not just tRC. The IDT7132SA100P does not specify a maximum clock frequency because it is an asynchronous SRAM.
7132SA100P 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:
- 100ns
- Access Time:
- 100 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
7132SA100P FAQ
1.How can I place an order for 7132SA100P through Aetrix?
Please submit a Request for Quotation (RFQ) for 7132SA100P 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 7132SA100P reliable?
The price and inventory of 7132SA100P are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for 7132SA100P is usually 5 days.
3.What payment methods are accepted for 7132SA100P?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for 7132SA100P transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for 7132SA100P?
7132SA100P orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your 7132SA100P 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 7132SA100P?
For technical support, including 7132SA100P datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your 7132SA100P requirements.
6.How does Aetrix verify that 7132SA100P is sourced from the original manufacturer or authorized distributors?
All 7132SA100P 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 7132SA100P meets industry standards.
7.What is the process for return or replacement of 7132SA100P?
All 7132SA100P units undergo pre-shipment inspection (PSI). If there is an issue with 7132SA100P, 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 7132SA100P part is unused and in its original packaging.
Return procedure for 7132SA100P:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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