Renesas 6116LA20SOG8
- Part No.:
- 6116LA20SOG8
- Manufacturer:
- Renesas
- Category:
- Memory
- Package:
- 24-SOIC (0.295", 7.50mm Width)
- Datasheet:
-
6116LA20SOG8.pdf
- Description:
- IC SRAM 16KBIT PARALLEL 24SOIC
- Quantity:
- Payment:

- Shipping:

Inventory:4,828
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Product details
Overview
The 6116LA20SOG8 from Renesas Electronics is a 16K-bit (2K × 8) low-power CMOS static RAM with 20 ns access time, TTL-compatible I/O, and battery backup data retention down to 2 V. It operates across industrial temperature range (–40°C to +85°C), consumes ≤95 mA active current and only 0.1 µA in full standby mode, and is used in embedded controllers, instrumentation, and legacy system memory expansion.
For engineers reviewing the 6116LA20SOG8 datasheet, 6116LA20SOG8 pinout, 6116LA20SOG8 application, or 6116LA20SOG8 equivalent, key selection criteria include its 20 ns read cycle time, 2 V data retention capability, SOIC-24 gull-wing package, industrial-grade reliability, and compatibility with 5 V TTL logic systems.
Technical Context
This device implements fully static asynchronous operation-no clocks or refresh required-and uses high-reliability CMOS technology with alpha-particle soft-error immunity. Its control logic supports three operational modes: standby (CS HIGH), read (CS & OE LOW, WE HIGH), and write (CS & WE LOW).
The 6116LA20SOG8 features dual standby power states: TTL-level standby (ISB = 35 mA max) and CMOS-level full standby (ISB1 = 0.1 µA max). Data retention is guaranteed at VCC ≥ 2.0 V across all temperatures, with typical ICCDR of 0.5 µA at 2.0 V and 20 µA at 3.0 V.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Memory Size | 16,384 bits (2K × 8), enabling byte-wide data bus interfacing without external demultiplexing |
| Access Time | 20 ns (max), supporting CPU bus cycles up to ~40 MHz in tightly coupled systems |
| Supply Voltage | 5.0 V ±10%, compatible with standard TTL/CMOS 5 V logic rails |
| Data Retention Voltage | 2.0 V minimum, allowing direct connection to coin-cell batteries for nonvolatile backup |
| Standby Current | 0.1 µA (CMOS-level), reducing power budget in always-on monitoring or sleep-mode applications |
| Operating Temperature | –40°C to +85°C, qualified for industrial environments including factory automation and telecom infrastructure |
| I/O Compatibility | TTL input thresholds (VIH = 2.2 V, VIL = 0.8 V) and output drive (IOH = –4 mA, IOL = 8 mA) |
Pinout & Package
6116LA20SOG8 is housed in a 24-pin gull-wing SOIC (PSG24) package measuring 7.5 mm × 15.4 mm with 1.27 mm pitch, optimized for surface-mount assembly and high-density PCB layouts.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| A0–A10 | Address Inputs | 11-bit address bus accepting 0–2047 to select one of 2K memory locations |
| I/O0–I/O7 | Bi-directional Data Bus | 8-bit parallel interface supporting read and write operations on shared pins |
| CS | Chip Select | Active-low enable controlling device activation and automatic entry into standby when HIGH |
| WE | Write Enable | Active-low signal determining direction: LOW enables write, HIGH enables read (with OE) |
| OE | Output Enable | Active-low control for output drivers; HIGH places I/O pins in high-impedance state |
| VCC | Power Supply | 5 V supply pin; decoupling capacitor placement near this pin is critical for noise immunity |
| GND | Ground Reference | Signal and power return path; requires low-inductance connection to minimize ground bounce |
Key Features
| Feature | Design Value |
|---|---|
| Static Operation | No clock or refresh circuitry required-simplifies timing design and eliminates dynamic power overhead |
| Battery Backup Retention | Maintains stored data at 2 V supply, enabling seamless transition to backup power during main rail failure |
| Low-Power Standby | 0.1 µA full standby current allows multi-year operation on microampere-scale energy sources |
| TTL-Compatible I/O | Direct interface with legacy 5 V microcontrollers and FPGAs without level-shifting components |
| MIL-STD-883 Qualified Options | Same architecture available in military-grade ceramic DIP variants for aerospace and defense deployments |
Applications
| Industrial PLC Memory Buffer | Medical Instrument Data Logger |
|---|---|
Use Scenario: Storing real-time sensor readings and configuration parameters in programmable logic controllers during power interruptions. IC Role / Device Role / Timing Role: Nonvolatile buffer memory holding critical state data during brownout conditions using 2 V battery backup. Use Value: Prevents loss of machine state or calibration data, ensuring deterministic restart after power recovery. | Use Scenario: Capturing ECG waveforms and patient identifiers in portable diagnostic devices with intermittent power. IC Role / Device Role / Timing Role: High-reliability SRAM providing fast, deterministic read/write access for time-critical waveform capture. Use Value: Enables sub-20 ns sampling alignment and zero-refresh latency, preserving waveform fidelity. |
| Avionics System Configuration Store | Legacy Industrial Controller Upgrade |
Use Scenario: Holding flight-critical configuration tables and fault history logs in airborne computing modules. IC Role / Device Role / Timing Role: Radiation-tolerant CMOS SRAM with MIL-STD-883 Class B qualification for extended mission life. Use Value: Eliminates soft errors from cosmic radiation while maintaining compatibility with existing 5 V avionics buses. | Use Scenario: Replacing obsolete 6116 variants in aging CNC machines and motion controllers requiring drop-in reliability. IC Role / Device Role / Timing Role: Pin-compatible upgrade offering lower standby current and extended industrial temperature support. Use Value: Extends service life of legacy equipment without board redesign or firmware changes. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar static RAM applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| AS6C1008-20TIN | 20 ns access, 5 V, SOIC-28, 128K × 8 (larger density), no battery retention | Higher capacity but incompatible pinout and no 2 V data retention | Select when memory size > 16K is required and battery backup is unnecessary |
| IS61LV25616AL-20TQLI | 20 ns, 3.3 V core, SOIC-44, 256K × 16, LVCMOS I/O, no 2 V retention | Lower voltage, wider bus, different footprint-requires level shifters and PCB revision | Choose for new 3.3 V designs needing higher bandwidth and density, not for drop-in replacement |
Compared with AS6C1008-20TIN and IS61LV25616AL-20TQLI, the 6116LA20SOG8 uniquely delivers 2 V battery-backed data retention in a compact SOIC-24 footprint with proven 5 V TTL interoperability-making it irreplaceable in legacy industrial and medical systems where power fail-safe behavior is mandatory.
Availability
6116LA20SOG8 is available at Aetrix Electronics and suitable for industrial automation, medical instrumentation, and avionics subsystems requiring stable component supply, long-term lifecycle support, and guaranteed 2 V data retention capability.
Supply support for 6116LA20SOG8 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
Renesas Electronics Corporation is a global semiconductor leader delivering microcontrollers, analog, power, and SoC solutions for automotive, industrial, and IoT markets.
The 6116LA20SOG8 belongs to Renesas' legacy CMOS SRAM product line, designed specifically for robust, low-power, pin-compatible memory upgrades in industrial control and instrumentation systems operating under wide temperature and voltage stress.
FAQ
What is the maximum operating frequency supported by the 6116LA20SOG8?
The 6116LA20SOG8 does not operate on a clock but supports asynchronous bus cycles with a 20 ns read cycle time (tRC), enabling effective data throughput up to approximately 40 MHz in systems with minimal address setup/hold overhead. Its static architecture means timing depends solely on external control signal sequencing-not internal clocking.
Does the 6116LA20SOG8 require external refresh circuitry?
No, the 6116LA20SOG8 is a fully static RAM and requires no refresh cycles or external refresh circuitry. Its CMOS latch-based memory cells retain data indefinitely as long as power is applied above the 2.0 V retention threshold, simplifying system design and eliminating refresh-related timing constraints.
Can the 6116LA20SOG8 be used with 3.3 V logic systems?
The 6116LA20SOG8 is specified for 5.0 V ±10% operation and TTL-compatible I/O levels (VIH = 2.2 V min, VIL = 0.8 V max). While some 3.3 V systems may interface successfully, Renesas does not guarantee operation below 4.5 V supply or with 3.3 V logic thresholds-level translation is recommended for reliable interoperability with 3.3 V controllers.
What is the meaning of "SOG8" in the part number 6116LA20SOG8?
"SOG8" denotes the packaging variant: "SO" = Small Outline IC, "G" = gull-wing leads, and "8" = tape-and-reel packaging format (8 mm carrier tape, 2,000 units per reel). This distinguishes it from tube-packaged versions (e.g., 6116LA20SOG) and confirms surface-mount readiness for automated assembly.
Is the 6116LA20SOG8 compliant with RoHS and REACH regulations?
Yes, the 6116LA20SOG8 is a Renesas "Green" part, meaning it complies with RoHS Directive 2011/65/EU and REACH Regulation (EC) No. 1907/2006, containing no lead, mercury, cadmium, hexavalent chromium, PBB, or PBDE above threshold limits, and fully halogen-free per JESD209-4 standards.
6116LA20SOG8 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Series:
- -
- Package/Case:
- 24-SOIC (0.295", 7.50mm Width)
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Programmable:
- Not Verified
- Memory Type:
- Volatile
- Memory Format:
- SRAM
- Technology:
- SRAM - Asynchronous
- Memory Size:
- 16Kbit
- Memory Organization:
- 2K x 8
- Memory Interface:
- Parallel
- Clock Frequency:
- -
- Write Cycle Time - Word, Page:
- 20ns
- Access Time:
- 20 ns
- Voltage - Supply:
- 4.5V ~ 5.5V
- Operating Temperature:
- 0°C ~ 70°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 24-SOIC
6116LA20SOG8 FAQ
1.How can I place an order for 6116LA20SOG8 through Aetrix?
Please submit a Request for Quotation (RFQ) for 6116LA20SOG8 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 6116LA20SOG8 reliable?
The price and inventory of 6116LA20SOG8 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for 6116LA20SOG8 is usually 5 days.
3.What payment methods are accepted for 6116LA20SOG8?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for 6116LA20SOG8 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for 6116LA20SOG8?
6116LA20SOG8 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your 6116LA20SOG8 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 6116LA20SOG8?
For technical support, including 6116LA20SOG8 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your 6116LA20SOG8 requirements.
6.How does Aetrix verify that 6116LA20SOG8 is sourced from the original manufacturer or authorized distributors?
All 6116LA20SOG8 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 6116LA20SOG8 meets industry standards.
7.What is the process for return or replacement of 6116LA20SOG8?
All 6116LA20SOG8 units undergo pre-shipment inspection (PSI). If there is an issue with 6116LA20SOG8, 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 6116LA20SOG8 part is unused and in its original packaging.
Return procedure for 6116LA20SOG8:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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