Renesas 6116LA20SOG
- Part No.:
- 6116LA20SOG
- Manufacturer:
- Renesas
- Category:
- Memory
- Package:
- 24-SOIC (0.295", 7.50mm Width)
- Datasheet:
-
6116LA20SOG.pdf
- Description:
- IC SRAM 16KBIT PARALLEL 24SOIC
- Quantity:
- Payment:

- Shipping:

Inventory:647
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Product details
Overview
The 6116LA20SOG from Renesas Electronics is a 16K-bit (2K × 8) low-power CMOS static RAM with 20 ns maximum 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), supports standby power mode via chip select, and is packaged in 24-pin SOIC for high-density PCB layouts.
For engineers reviewing the 6116LA20SOG datasheet, 6116LA20SOG pinout, 6116LA20SOG application, or 6116LA20SOG equivalent, key selection criteria include its 20 ns read cycle time, 0.1 mA full-standby current at 5 V, 2 V data retention capability, industrial-grade reliability, and compatibility with legacy 6116-family system designs requiring low-power SRAM with no refresh circuitry.
Technical Context
This device implements fully static asynchronous operation-no clocks or refresh cycles required-using high-reliability CMOS technology that eliminates alpha-particle soft errors. Its control logic relies on three independent enables: Chip Select (CS), Output Enable (OE), and Write Enable (WE), supporting both CS-controlled and WE-controlled write cycles with defined setup/hold timing.
The memory array is organized as 128 × 128 bits, with address decoding handled internally. Input and output buffers are TTL-compatible (VIH = 2.2 V min, VOL = 0.4 V max), and the device features dual standby modes: TTL-level (ISB = 35 mA max) and CMOS-level (ISB1 = 0.1 mA max), activated by CS voltage thresholds relative to VCC.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Memory Size | 16,384 bits (2K × 8), enabling byte-wide data bus interfacing without external multiplexing |
| Access Time | 20 ns max (industrial grade), defining minimum read cycle time for synchronous bus timing budgets |
| Supply Voltage | 5.0 V ±10%, compatible with standard TTL/CMOS logic rails and legacy 5 V systems |
| Data Retention | 2.0 V min, allowing operation from coin-cell batteries during main power loss without data corruption |
| Standby Current | 0.1 mA (CMOS-level CS), reducing system power consumption during idle states in portable or energy-sensitive applications |
| Operating Temp | –40°C to +85°C, qualifying for industrial control, automotive body electronics, 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), ensuring direct interface with 74LS/ALS logic |
Pinout & Package
6116LA20SOG is housed in a 24-pin gull-wing SOIC (PSG24) package, 300 mil width, RoHS-compliant and green (lead-free).
| 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; high-impedance when disabled |
| CS | Chip Select | Active-low enable controlling device activation and entry into TTL/CMOS standby modes |
| WE | Write Enable | Active-low signal initiating write cycle; must be synchronized with CS and address stability |
| OE | Output Enable | Active-low control for output drivers; allows read data to appear on I/O lines only when asserted |
| VCC | Power Supply | +5 V supply pin; decoupling capacitor placement near this pin is critical for noise immunity |
| GND | Ground Reference | Signal and power ground return path; requires low-inductance connection to minimize switching noise |
Key Features
| Feature | Design Value |
|---|---|
| Static Operation | No clock or refresh circuitry required-simplifies system design and eliminates dynamic power overhead |
| Battery Backup Retention | Retains data at 2 V supply, enabling seamless transition to backup power during main supply interruption |
| Low Standby Power | 0.1 mA CMOS-level standby current reduces quiescent power in always-on or sleep-mode systems |
| TTL-Compatible I/O | Direct interface with legacy 74-series logic without level-shifting components or external pull-ups |
| Military/Industrial Qualification | MIL-STD-883 Class B compliance and extended temperature range support ruggedized embedded deployments |
Applications
| Industrial PLC Memory Buffer | Medical Device Data Logger |
|---|---|
Use Scenario: Storing real-time sensor readings and control state variables in programmable logic controllers operating in factory environments with wide ambient temperature swings. IC Role / Device Role / Timing Role: Non-refreshing, byte-accessible SRAM providing deterministic 20 ns read/write latency for deterministic scan-cycle execution. Use Value: Eliminates DRAM refresh overhead and controller complexity while maintaining data integrity across –40°C to +85°C operation and brown-out events via 2 V retention. | Use Scenario: Capturing patient vital signs in portable ECG or infusion pump devices where power interruption must not cause loss of critical session data. IC Role / Device Role / Timing Role: Low-power static RAM serving as volatile buffer with guaranteed data hold during main supply failure and automatic switchover to backup cell. Use Value: Enables zero-data-loss failover using coin-cell backup at 2 V, with sub-100 µA standby draw extending battery life between maintenance cycles. |
| Avionics System Configuration Store | Legacy Industrial Instrumentation |
Use Scenario: Holding flight-critical configuration tables and calibration constants in airborne navigation units subject to MIL-STD-810 thermal shock and vibration. IC Role / Device Role / Timing Role: Radiation-hardened CMOS SRAM delivering error-free storage under high-reliability aerospace conditions with no soft-error susceptibility. Use Value: Alpha-particle immunity and Class B qualification ensure long-term data integrity in high-altitude radiation environments without ECC overhead. | Use Scenario: Replacing obsolete 6116 variants in aging test equipment, oscilloscopes, and digital multimeters requiring drop-in compatibility and proven field reliability. IC Role / Device Role / Timing Role: Pin- and function-compatible upgrade path preserving existing PCB layout, firmware timing, and power delivery design. Use Value: Maintains identical 24-pin SOIC footprint and AC/DC electrical behavior-enabling seamless replacement without redesign or requalification effort. |
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, 2K × 8, but lacks 2 V data retention and industrial temp rating | Suitable for commercial-only systems; not qualified for –40°C operation or battery backup use | Select only if 2 V retention and industrial temperature are not required |
| IS61LV25616AL-20TQLI | 3.3 V core, 256K × 16 organization, 20 ns, LVCMOS I/O-not TTL-compatible | Requires level translation and bus-width adaptation; incompatible with 8-bit legacy buses | Choose only for new 3.3 V designs needing higher density and lower voltage operation |
Compared with AS6C1008-20TIN and IS61LV25616AL-20TQLI, the 6116LA20SOG uniquely delivers 2 V data retention, industrial temperature support, and native TTL compatibility in a direct 2K × 8 replacement-making it the sole option for legacy 5 V systems requiring battery-backed SRAM without redesign.
Availability
6116LA20SOG is available at Aetrix Electronics and suitable for industrial control systems, medical data loggers, avionics configuration storage, and legacy instrumentation requiring stable component supply and long-lifecycle support.
Supply support for 6116LA20SOG 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 specializing in microcontrollers, analog, power, and memory solutions for industrial, automotive, and infrastructure markets.
The 6116LA20SOG belongs to Renesas' legacy CMOS SRAM product line, designed specifically for reliable, low-power, non-refreshing memory in mission-critical industrial and aerospace applications where data integrity and wide-temperature operation are essential.
FAQ
What is the maximum access time specified for the 6116LA20SOG?
The 6116LA20SOG has a maximum access time of 20 ns across the industrial temperature range (–40°C to +85°C). This value is guaranteed under VCC = 5.0 V ±10% and defines the time from address valid to valid data appearing at the outputs during read operations. The 6116LA20SOG achieves this performance while maintaining low power consumption and 2 V data retention capability.
Does the 6116LA20SOG require a refresh circuit or clock signal?
No, the 6116LA20SOG is a fully static RAM and requires no refresh circuitry or clock signal. Its internal CMOS latches retain data indefinitely as long as power is applied and CS remains active. This eliminates timing-critical refresh overhead and simplifies integration into microcontroller-based systems. The 6116LA20SOG operates asynchronously using only address, data, and control signals (CS, OE, WE).
What is the minimum supply voltage required to retain data in the 6116LA20SOG?
The 6116LA20SOG guarantees data retention down to 2.0 V (VDR = 2.0 V), a feature exclusive to the LA version. At this voltage, typical data retention current is 0.5–1.5 µA over temperature, enabling reliable operation from small backup batteries during main power loss. This specification is validated per the 6116LA20SOG datasheet's Data Retention Characteristics table and applies across the full industrial temperature range.
Is the 6116LA20SOG pin-compatible with other 6116-series SRAMs?
Yes, the 6116LA20SOG shares identical pinout, signal definitions, and DC/AC electrical characteristics with all 6116SA/LA variants in the same package (e.g., 24-pin SOIC). It is functionally and physically compatible with legacy 6116 designs-no PCB changes are needed when upgrading from faster or slower speed grades or switching between SA and LA versions, provided timing margins accommodate the selected access time.
What package type and lead finish does the 6116LA20SOG use?
The 6116LA20SOG is supplied in a 24-pin gull-wing SOIC (PSG24) package, 300 mil width, with lead-free (RoHS-compliant) and green (halogen-free) construction. This package meets JEDEC MS-012 standards and supports standard surface-mount reflow profiles. The 6116LA20SOG's pin pitch is 1.27 mm, and its body dimensions are 7.5 mm × 15.4 mm, enabling high-density board layouts in space-constrained industrial modules.
6116LA20SOG Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Series:
- -
- Package/Case:
- 24-SOIC (0.295", 7.50mm Width)
- Packaging:
- Tube
- 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
6116LA20SOG FAQ
1.How can I place an order for 6116LA20SOG through Aetrix?
Please submit a Request for Quotation (RFQ) for 6116LA20SOG 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 6116LA20SOG reliable?
The price and inventory of 6116LA20SOG are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for 6116LA20SOG is usually 5 days.
3.What payment methods are accepted for 6116LA20SOG?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for 6116LA20SOG transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for 6116LA20SOG?
6116LA20SOG orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your 6116LA20SOG 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 6116LA20SOG?
For technical support, including 6116LA20SOG datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your 6116LA20SOG requirements.
6.How does Aetrix verify that 6116LA20SOG is sourced from the original manufacturer or authorized distributors?
All 6116LA20SOG 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 6116LA20SOG meets industry standards.
7.What is the process for return or replacement of 6116LA20SOG?
All 6116LA20SOG units undergo pre-shipment inspection (PSI). If there is an issue with 6116LA20SOG, 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 6116LA20SOG part is unused and in its original packaging.
Return procedure for 6116LA20SOG:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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