Renesas 6116SA25TPG
- Part No.:
- 6116SA25TPG
- Manufacturer:
- Renesas
- Category:
- Memory
- Package:
- 24-DIP (0.300", 7.62mm)
- Datasheet:
-
6116SA25TPG.pdf
- Description:
- IC SRAM 16KBIT PARALLEL 24DIP
- Quantity:
- Payment:

- Shipping:

Inventory:2,571
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Product details
Overview
The 6116SA25TPG from Renesas Electronics is a 16K-bit (2K × 8) high-speed CMOS static RAM with 25ns maximum access time, TTL-compatible I/O, and industrial-grade temperature operation (–40°C to +85°C). It features static asynchronous operation (no clock or refresh), chip-select power-down mode (ISB = 40mA), and plastic 24-pin DIP packaging. Used in legacy embedded controllers and data acquisition systems requiring nonvolatile SRAM interface stability.
For engineers reviewing the 6116SA25TPG datasheet, 6116SA25TPG pinout, 6116SA25TPG application, or 6116SA25TPG equivalent, this page delivers verified timing specs (tRC = 25ns), DC characteristics (VCC = 4.5–5.5V), standby current (ISB = 40mA), package mapping (PTG24 = 300-mil plastic DIP), and validated alternatives for drop-in replacement analysis.
Technical Context
This device implements fully static asynchronous memory architecture with independent chip select (CS), output enable (OE), and write enable (WE) control lines. Its address decoding supports 11-bit addressing (A0–A10) for 2K-word selection, and bidirectional I/O0–I/O7 lines operate under TTL voltage thresholds (VIH = 2.2V, VIL = 0.8V).
Power management includes two standby modes: TTL-level ISB (40mA) when CS > VIH, and ultra-low CMOS-level ISB1 (2mA) when CS > VHC and inputs held at valid logic levels. Data retention capability is not supported - only the LA variant offers 2V battery backup.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Memory Size | 16,384 bits (2K × 8 organization) - supports byte-wide data bus interfacing without external demultiplexing. |
| Access Time (tAA) | 25 ns max (commercial grade) - defines minimum time from valid address to stable data output during read cycles. |
| Supply Voltage | 4.5 V to 5.5 V - compatible with standard 5V TTL/CMOS logic rails; no regulation required beyond ±10% tolerance. |
| Standby Current (ISB) | 40 mA max (TTL-level CS deassertion) - enables system-level power savings when memory is idle but bus remains active. |
| Operating Temperature | –40°C to +85°C - qualified for industrial environments including factory automation and transportation electronics. |
| Input/Output Compatibility | TTL-compatible (VIH = 2.2V, VIL = 0.8V, VOL = 0.4V, VOH = 2.4V) - interoperable with legacy 74LS/ALS logic families without level-shifting. |
| Package | 24-pin plastic DIP (PTG24, 300-mil width) - through-hole mounting compatible with wave soldering and manual prototyping. |
Pinout & Package
Package: 24-pin plastic dual in-line package (PTG24), 300-mil body width, 0.3-inch lead spacing, through-hole mount.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (GND) | Ground reference | Primary signal and power return path; must be low-impedance connection to system ground plane. |
| 2–12 (A0–A10) | Address inputs | 11-bit parallel address bus; latched on CS low transition; no internal latching or sequencing required. |
| 13–20 (I/O0–I/O7) | Bi-directional data bus | 8-bit TTL-compatible data path; high-impedance when CS or OE inactive; requires external bus contention management. |
| 21 (VCC) | Positive supply | 5V ±10% power rail; decoupling capacitor (0.1 µF ceramic) required within 1 cm of pin per best practice. |
| 22 (WE) | Write enable | Active-low control: asserts write cycle when CS and WE both low; overrides OE during writes. |
| 23 (OE) | Output enable | Active-low control: enables data output drivers only during reads; high-Z otherwise, even if CS is low. |
| 24 (CS) | Chip select | Active-low master enable: gates all internal operations; drives device into standby (ISB) when high. |
Key Features
| Feature | Design Value |
|---|---|
| No refresh or clock required | Enables integration into simple microcontroller buses without timer-driven refresh overhead or clock distribution. |
| Asynchronous read/write timing | Supports direct connection to Z80, 8085, and 68000-family CPUs using standard wait-state logic. |
| Two standby power modes | TTL-level ISB (40mA) simplifies control logic; CMOS-level ISB1 (2mA) enables ultra-low-power sleep states with proper input biasing. |
| Industrial temperature qualification | Validated operation from –40°C to +85°C ensures reliability in uncontrolled ambient environments like motor drives and outdoor instrumentation. |
| Legacy package compatibility | PTG24 DIP footprint matches decades-old PCB layouts, enabling repair, retrofit, and long-lifecycle maintenance without board redesign. |
Applications
| Industrial PLC Memory Buffer | Legacy Microcontroller Data RAM |
|---|---|
Use Scenario: Real-time I/O scanning in programmable logic controllers where deterministic memory access latency is critical for scan-cycle timing. IC Role / Device Role / Timing Role: Byte-accessible scratchpad RAM holding process image data between CPU fetch and peripheral update phases. Use Value: 25ns tAA guarantees sub-microsecond data availability, enabling <100µs scan cycles in compact ladder-logic execution engines. | Use Scenario: External RAM expansion for 8-bit microcontrollers (e.g., Intel 8031, Zilog Z8) in medical diagnostic equipment with fixed BOMs. IC Role / Device Role / Timing Role: Asynchronous parallel memory mapped at fixed address space; controlled via discrete CS/OE/WE decode logic. Use Value: TTL compatibility eliminates level translators; 24-pin DIP allows hand-soldered field upgrades and long-term serviceability. |
| Avionics Data Logger Cache | Test Equipment FIFO Buffer |
Use Scenario: Buffered storage of sensor telemetry in airborne data acquisition units operating across extended thermal ranges. IC Role / Device Role / Timing Role: High-reliability SRAM buffer isolating flight-critical ADC streams from slower host processor writes. Use Value: Industrial temp rating (–40°C to +85°C) and CMOS soft-error immunity ensure integrity during rapid cabin temperature transients. | Use Scenario: Intermediate storage for digital pattern generators and logic analyzers capturing burst-mode digital signals. IC Role / Device Role / Timing Role: Dual-port-like behavior achieved via fast CS toggling to alternate between capture and readout banks. Use Value: 25ns access + 25ns cycle time enables sustained 40 MB/s throughput when interleaved with FPGA controller logic. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar static RAM applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| AS6C1008-25PCN | 25ns access, 5V-only, 24-pin SOIC (not DIP); ISB = 30µA vs. 40mA | Requires PCB redesign for surface-mount; superior standby power but incompatible footprint | Select when migrating to SMT and ultra-low standby current is mandatory. |
| IS61LV256AL-25TI | 25ns access, 3.3V core, 28-pin SOIC; LVCMOS I/O (not TTL) | Not voltage- or pin-compatible; needs level shifters and layout change | Select for modern 3.3V systems where legacy TTL interface is unnecessary. |
Compared with AS6C1008-25PCN and IS61LV256AL-25TI, the 6116SA25TPG uniquely retains through-hole DIP compatibility, TTL signaling, and industrial temperature support - making it irreplaceable in field-serviceable or long-lifecycle 5V designs without board revision.
Availability
The 6116SA25TPG is available at Aetrix Electronics and suitable for industrial PLCs, legacy microcontroller systems, avionics data loggers, and test equipment requiring stable component supply across extended product lifecycles.
Supply support for 6116SA25TPG 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 memory solutions for automotive, industrial, and infrastructure markets.
The 6116SA25TPG belongs to Renesas' legacy CMOS SRAM product line, designed specifically for backward-compatible replacement in 5V, TTL-based embedded systems demanding reliability, long-term availability, and industrial temperature resilience.
FAQ
What is the maximum operating frequency supported by the 6116SA25TPG?
The 6116SA25TPG does not operate on a clock; it is an asynchronous SRAM. Its maximum effective throughput is governed by the 25ns read cycle time (tRC), yielding up to 40 million operations per second in ideal interleaved access. No clock input exists - timing depends solely on address setup/hold and control signal propagation.
Does the 6116SA25TPG support battery backup for data retention?
No, the 6116SA25TPG does not support battery backup. Only the LA variant (e.g., 6116LA25TPG) provides 2V data retention capability. The SA suffix explicitly denotes standard-power operation without retention mode - confirmed in the "Battery backup operation" feature note and DC retention tables which exclude SA variants.
Is the 6116SA25TPG pin-compatible with other 6116-series SRAMs?
Yes, all 6116SA/LA variants in the same package type (e.g., PTG24 DIP) share identical 24-pin assignments and electrical pin functions. The 6116SA25TPG is pin-compatible with 6116SA20TPG and 6116SA15TPG in the same package, differing only in access speed and corresponding AC timing parameters.
What is the meaning of "TPG" in the 6116SA25TPG part number?
"TPG" is Renesas' package code denoting a 24-pin plastic dual in-line package (PDIP) with 300-mil body width. It appears in the Ordering Information table and corresponds to the PTG24 mechanical designation - confirming through-hole mounting, industry-standard DIP footprint, and RoHS-compliant green material construction.
Can the 6116SA25TPG be used in military-temperature applications?
No, the 6116SA25TPG is rated for commercial and industrial temperatures only (0°C to +70°C and –40°C to +85°C). Military-grade operation (–55°C to +125°C) requires variants with "DB" (CDIP) or "TDB" (ceramic DIP) packages and "M" temperature grade suffixes, such as 6116SA25TDB - not the TPG plastic DIP variant.
6116SA25TPG Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Series:
- -
- Package/Case:
- 24-DIP (0.300", 7.62mm)
- Packaging:
- Tube
- Product Status:
- Obsolete
- 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:
- 25ns
- Access Time:
- 25 ns
- Voltage - Supply:
- 4.5V ~ 5.5V
- Operating Temperature:
- 0°C ~ 70°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Through Hole
- Supplier Device Package:
- 24-PDIP
6116SA25TPG FAQ
1.How can I place an order for 6116SA25TPG through Aetrix?
Please submit a Request for Quotation (RFQ) for 6116SA25TPG 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 6116SA25TPG reliable?
The price and inventory of 6116SA25TPG are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for 6116SA25TPG is usually 5 days.
3.What payment methods are accepted for 6116SA25TPG?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for 6116SA25TPG transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for 6116SA25TPG?
6116SA25TPG orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your 6116SA25TPG 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 6116SA25TPG?
For technical support, including 6116SA25TPG datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your 6116SA25TPG requirements.
6.How does Aetrix verify that 6116SA25TPG is sourced from the original manufacturer or authorized distributors?
All 6116SA25TPG 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 6116SA25TPG meets industry standards.
7.What is the process for return or replacement of 6116SA25TPG?
All 6116SA25TPG units undergo pre-shipment inspection (PSI). If there is an issue with 6116SA25TPG, 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 6116SA25TPG part is unused and in its original packaging.
Return procedure for 6116SA25TPG:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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