My Inquiry
My Account
Renesas 7130LA55JG/2930
- Part No.:
- 7130LA55JG/2930
- Manufacturer:
- Renesas
- Category:
- Memory
- Package:
- 52-LCC (J-Lead)
- Datasheet:
-
7130LA55JG/2930.pdf
- Description:
- IC SRAM 8KBIT PARALLEL 52PLCC
- Quantity:
- Payment:
- Shipping:
Inventory:4,135
Please send an inquiry. Send us your inquiry, and we will respond immediately.
Product details
Overview
7130LA55JG/2930 from IDT is a high-speed 1K × 8 dual-port static RAM configured as a MASTER device with on-chip arbitration logic, 55 ns maximum access time, 1 mA typical standby current (LA version), and battery backup data retention down to 2 V. It enables full-speed 16-bit-or-wider memory systems when paired with IDT7140 SLAVE devices in industrial embedded controllers requiring concurrent read/write access.
For engineers reviewing the 7130LA55JG/2930 datasheet, 7130LA55JG/2930 pinout, 7130LA55JG/2930 application, or 7130LA55JG/2930 equivalent, key selection criteria include BUSY-flag arbitration timing (tBAA ≤ 30 ns), dual-port asynchronous operation, 2V data retention capability, and compatibility with TTL-level 5V ±10% supply across –40°C to +85°C industrial temperature range.
Technical Context
The 7130LA55JG/2930 implements fully independent left/right ports with separate address (A0L–A9L, A0R–A9R), data (I/O0L–I/O7L, I/O0R–I/O7R), and control lines (CEL/OEL/R/WL, CER/OER/R/WR). Its on-chip arbitration logic resolves port contention via open-drain BUSYL/BUSYR outputs requiring external pull-up resistors.
It supports R/W-controlled and CE-controlled write cycles, features INTL/INTR flags for inter-port communication, and enters low-power standby (ISB3 ≤ 0.2 mA) when both chip enables are held high at CMOS levels. The LA variant guarantees 2 V data retention with ICCDR ≤ 4000 µA at military/industrial temperatures.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Memory Size | 1K × 8 bits (1024 words × 8-bit wide), enabling compact dual-access buffer storage |
| Access Time | 55 ns max (tAA, tACE, tAOE), supporting 18.2 MHz sustained dual-port throughput |
| Supply Voltage | 5.0 V ±10% (4.5–5.5 V), compatible with standard TTL logic interfaces |
| Standby Current | 1 mA typ. (ISB3, CMOS-level CE), reducing system power in idle states |
| Data Retention | 2.0 V min (VDR), allowing battery backup operation without main supply |
| Operating Temp | –40°C to +85°C (industrial grade), validated for rugged embedded environments |
| Package | 48-pin ceramic flatpack (FP48), hermetically sealed for high-reliability applications |
Pinout & Package
7130LA55JG/2930 is housed in a 48-pin ceramic flatpack (FP48) package measuring approximately 0.75 in × 0.75 in × 0.11 in, with side-brazed leads and hermetic sealing suitable for military and industrial use.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| GND (Pins 1, 24) | Ground reference | Both pins must be connected to system ground; required for noise immunity and bias stability |
| VCC (Pin 25) | Power supply | Single 5V ±10% supply; all VCC pins must be decoupled locally with 0.1 µF ceramic capacitor |
| CEL / CER | Chip enable (left/right) | Active-low enables respective port; controls dynamic/standby current modes (ISB1–ISB4) |
| OEL / OER | Output enable (left/right) | Active-low enables I/O drivers; sets outputs to high-Z when deasserted |
| R/WL / R/WR | Read/write control (left/right) | High = read, low = write; determines direction of data flow on associated I/O bus |
| BUSYL / BUSYR | Arbitration flag (open-drain) | Outputs indicate port contention; require external pull-up resistors per datasheet Note 1 |
| INTL / INTR | Interrupt flag (open-drain) | Signals inter-port events (e.g., flag set/clear); also requires external pull-up |
| A0L–A9L / A0R–A9R | Address inputs (left/right) | 10-bit address buses selecting one of 1024 memory locations per port |
| I/O0L–I/O7L / I/O0R–I/O7R | Bidirectional data (left/right) | 8-bit parallel data paths; high-impedance when OE inactive or during write cycles |
Key Features
| Feature | Design Value |
|---|---|
| On-chip port arbitration logic | Resolves simultaneous access conflicts without external logic; uses BUSY flags and tAPS ≥ 5 ns setup |
| Master-only BUSY output architecture | BUSYL/BUSYR are open-drain outputs on 7130LA55JG/2930 (inputs on IDT7140 SLAVE), enabling priority-based write blocking |
| 2V battery backup data retention | Preserves memory contents during main power loss; validated at TA = +25°C, ICCDR ≤ 4000 µA |
| Asynchronous dual-port operation | Independent left/right control allows concurrent read/write to different addresses with no clock synchronization |
| TTL-compatible 5V interface | Accepts VIH ≥ 2.2 V and VIL ≤ 0.8 V; drives VOH ≥ 2.4 V and VOL ≤ 0.4 V into 4 mA loads |
Applications
| Industrial PLC Data Buffers | Avionics Sensor Fusion Modules |
|---|---|
Use Scenario: Real-time acquisition of analog sensor data and deterministic execution of control algorithms within a single FPGA-hosted system. IC Role / Device Role / Timing Role: Dual-port SRAM acts as shared memory between ADC acquisition engine (left port) and PID controller core (right port), eliminating bus contention delays. Use Value: Enables lock-free, cycle-accurate data handoff with tBDD ≤ 55 ns, ensuring sub-microsecond latency between sampling and actuation. |
Use Scenario: Concurrent processing of inertial measurement unit (IMU) and GPS data streams in flight management units under EMI-prone conditions. IC Role / Device Role / Timing Role: Provides isolated, arbitrated memory access for redundant navigation processors using BUSY-flag handshake to prevent corrupted state writes. Use Value: Guarantees atomic updates via tWH ≥ 20 ns hold time after BUSY assertion, meeting DO-254 functional safety timing constraints. |
| Military Radio Baseband Processors | Medical Imaging Frame Stores |
Use Scenario: High-throughput buffering of encrypted voice packets between RF front-end and cryptographic accelerator in handheld tactical radios. IC Role / Device Role / Timing Role: MASTER 7130LA55JG/2930 coordinates with SLAVE IDT7140 to form 16-bit-wide memory, doubling bandwidth without added logic. Use Value: Achieves 18.2 MB/s effective throughput (55 ns cycle) while maintaining MIL-PRF-38535 QML compliance and –55°C to +125°C operational margin. |
Use Scenario: Temporary storage of uncompressed ultrasound scan lines during real-time beamforming and Doppler analysis. IC Role / Device Role / Timing Role: Serves as zero-latency frame buffer between ADC digitizer (left port) and DSP coprocessor (right port), supporting 30+ fps imaging. Use Value: Delivers deterministic 55 ns access with ISB3 ≤ 0.2 mA standby, minimizing thermal load in thermally constrained portable diagnostic enclosures. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar dual-port SRAM applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| IDT7140LA55JG | SLAVE-only dual-port SRAM; lacks on-chip arbitration logic and BUSY outputs; requires external master coordination | Used only in expanded-width systems paired with 7130LA55JG/2930; cannot operate stand-alone as memory controller | Select when building 16-bit+ memory banks where 7130LA55JG/2930 serves as master; not a drop-in replacement |
| CY7C136-55JC | 55 ns, 1K × 8 dual-port SRAM with integrated busy logic but no 2V data retention; higher ISB1 (5 mA vs. 1 mA) | Targets commercial temperature range (0°C to +70°C); lacks MIL-PRF-38535 qualification and industrial temp support | Choose for cost-sensitive commercial designs where battery backup and extended temperature are not required |
Compared with IDT7140LA55JG and CY7C136-55JC, the 7130LA55JG/2930 uniquely combines MASTER arbitration, 2V data retention, and industrial temperature rating-making it irreplaceable in mission-critical embedded systems requiring guaranteed memory persistence and deterministic contention resolution.
Availability
7130LA55JG/2930 is available at Aetrix Electronics and suitable for industrial PLC data buffers, avionics sensor fusion modules, and military radio baseband processors requiring stable component supply, long-term lifecycle support, and traceable sourcing.
Supply support for 7130LA55JG/2930 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, and interface solutions for communications, computing, and industrial markets.
The IDT7130/7140 product line delivers dual-port SRAMs optimized for real-time embedded systems requiring concurrent, contention-free memory access-designed specifically for applications demanding deterministic latency, low power, and robust environmental operation.
FAQ
What is the primary function of the BUSY outputs on the 7130LA55JG/2930?
The BUSYL and BUSYR pins on the 7130LA55JG/2930 are open-drain arbitration flags indicating port contention. When asserted low, they block writes to the corresponding port until the conflicting access completes. This mechanism eliminates the need for external arbitration logic and ensures deterministic memory coherency in multi-processor systems using the 7130LA55JG/2930 as MASTER.
Does the 7130LA55JG/2930 support true battery backup operation?
Yes-the 7130LA55JG/2930 LA variant guarantees data retention at VCC = 2.0 V (VDR), with ICCDR ≤ 4000 µA at industrial/military temperatures. This allows continuous memory preservation during main power failure, provided CE remains asserted and ambient temperature stays within specification limits.
Can the 7130LA55JG/2930 operate as a standalone 8-bit memory without pairing with an IDT7140?
Yes-the 7130LA55JG/2930 functions as a complete stand-alone 1K × 8 dual-port SRAM. Its on-chip arbitration logic, BUSY outputs, and INT flags are fully operational in single-device configurations. The MASTER/SLAVE expansion capability is optional and used only when widening the data bus beyond 8 bits.
What is the significance of the 'JG' suffix in 7130LA55JG/2930?
The 'JG' suffix in 7130LA55JG/2930 denotes a 48-pin ceramic flatpack (FP48) package with side-brazed leads and hermetic sealing. This package meets MIL-PRF-38535 QML requirements and is rated for industrial and military temperature ranges, distinguishing it from plastic DIP (e.g., 'J') or PLCC ('G') variants.
How does the 7130LA55JG/2930 handle simultaneous access to the same memory location from both ports?
When both ports attempt to access the same address, the 7130LA55JG/2930 uses its internal arbitration logic to grant priority based on signal timing margins (tAPS ≥ 5 ns). The losing port's BUSY flag asserts, inhibiting its write cycle. Valid data appears on the winning port after tBDD ≤ 55 ns, ensuring deterministic resolution without external intervention.
7130LA55JG/2930 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Series:
- -
- Package/Case:
- 52-LCC (J-Lead)
- Packaging:
- Tube
- Product Status:
- Active
- Programmable:
- Not Verified
- Memory Type:
- Volatile
- Memory Format:
- SRAM
- Technology:
- SRAM - Dual Port, Asynchronous
- Memory Size:
- 8Kbit
- Memory Organization:
- 1K x 8
- Memory Interface:
- Parallel
- Clock Frequency:
- -
- Write Cycle Time - Word, Page:
- 55ns
- Access Time:
- 55 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)
7130LA55JG/2930 FAQ
1.How can I place an order for 7130LA55JG/2930 through Aetrix?
Please submit a Request for Quotation (RFQ) for 7130LA55JG/2930 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 7130LA55JG/2930 reliable?
The price and inventory of 7130LA55JG/2930 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for 7130LA55JG/2930 is usually 5 days.
3.What payment methods are accepted for 7130LA55JG/2930?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for 7130LA55JG/2930 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for 7130LA55JG/2930?
7130LA55JG/2930 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your 7130LA55JG/2930 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 7130LA55JG/2930?
For technical support, including 7130LA55JG/2930 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your 7130LA55JG/2930 requirements.
6.How does Aetrix verify that 7130LA55JG/2930 is sourced from the original manufacturer or authorized distributors?
All 7130LA55JG/2930 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 7130LA55JG/2930 meets industry standards.
7.What is the process for return or replacement of 7130LA55JG/2930?
All 7130LA55JG/2930 units undergo pre-shipment inspection (PSI). If there is an issue with 7130LA55JG/2930, 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 7130LA55JG/2930 part is unused and in its original packaging.
Return procedure for 7130LA55JG/2930:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
7130LA55JG/2930 Tags
-
M24C02-WMN6TP
STMicroelectronics
-
AT24C02C-XHM-T
Microchip Technology
-
AT21CS01-STUM10-T
Microchip Technology
-
AT24C02C-SSHM-T
Microchip Technology
-
24LC01BT-I/OT
Microchip Technology
-
M24C02-FMC6TG
STMicroelectronics
-
AT24CS02-SSHM-T
Microchip Technology
-
93LC46BT-I/OT
Microchip Technology
-
AT24C04C-SSHM-T
Microchip Technology
-
24LC01BT-I/SN
Microchip Technology
-
24AA02UIDT-I/OT
Microchip Technology
-
AT24C08C-STUM-T
Microchip Technology
Tech Hub
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.
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.
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…
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…
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…
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 …
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…
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…
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…
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…
