# 6116

> static RAM with a storage capacity of 16384 bits

**Wikidata**: [Q248327](https://www.wikidata.org/wiki/Q248327)  
**Source**: https://4ort.xyz/entity/6116

## Summary

6116 is a specific static random-access memory (SRAM) integrated circuit that stores 16,384 bits of data using flip-flop circuits. It is a volatile memory chip commonly found in personal computers and home computers, providing high-speed data storage without requiring periodic refresh cycles like dynamic RAM. The 6116 represents a specific model within the broader SRAM family, manufactured by companies such as Hyundai and Integrated Device Technology.

## Key Facts

- **Storage Capacity**: 16,384 bits (16384 bits)
- **Memory Type**: Static random-access memory (SRAM)
- **Data Storage Mechanism**: Uses flip-flop circuits to store each bit of data
- **Volatility**: Volatile memory — loses stored data when power is removed
- **Manufacturer**: Hyundai, Integrated Device Technology
- **Classification**: UNSPSC code 32101603
- **Wikipedia Sitelink Count**: 1 (German language edition)
- **Wikidata Description**: "static RAM with a storage capacity of 16384 bits"
- **Google Knowledge Graph ID**: /g/11cfjlcpd
- **Image Source**: Hyundai RAM HY6116AP-10.jpg (via Wikimedia Commons)
- **Instance Of**: Recording medium, static random-access memory
- **Related SRAM Models**: 6264, 2114, 2102, 5101
- **Aliases**: Static RAM, SRAM, static random access memory
- **Wikipedia Languages**: German (de)
- **Distinctions**: Different from dynamic RAM, non-volatile memory, and read-only memory

## FAQs

### Q: What is the storage capacity of the 6116 SRAM chip?

A: The 6116 SRAM chip has a storage capacity of 16,384 bits, which translates to 2,048 bytes or 2 kilobytes of memory. This capacity made it suitable for various computing applications in personal computers and home computers during its era of widespread use.

### Q: How does the 6116 differ from dynamic RAM (DRAM)?

A: Unlike DRAM, which stores each bit in a capacitor and requires constant refreshing to maintain data, the 6116 uses flip-flop circuits that maintain their state as long as power is supplied. This eliminates the need for refresh cycles, resulting in faster access times but higher manufacturing costs and lower memory density per chip.

### Q: What applications was the 6116 SRAM used in?

A: The 6116 was commonly used in personal computers, home computers, and embedded systems where high-speed data access was essential. Its primary applications included cache memory, CPU registers, hard drive buffers, and other scenarios requiring quick data retrieval without the latency associated with dynamic RAM refresh cycles.

### Q: Is the 6116 still in production or use today?

A: While the specific 6116 model has largely been superseded by higher-capacity SRAM and DRAM technologies in modern computing, the fundamental SRAM technology it represents continues to be used in cache memory, processor registers, and specialized embedded applications where speed is critical.

### Q: What are the advantages of the 6116's flip-flop storage approach?

A: The flip-flop design provides immediate access to stored data without waiting for refresh cycles, resulting in superior speed characteristics compared to DRAM. However, this comes at the cost of using four to six transistors per bit, making SRAM more expensive and less dense than DRAM alternatives.

## Why It Matters

The 6116 represents a foundational component in computing history that enabled significant advances in system performance during the era of personal and home computers. Its existence demonstrates the critical trade-off between speed and cost that continues to shape memory architecture decisions today. Understanding the 6116 helps illuminate why modern computing hierarchies exist as they do — with fast, expensive, low-capacity memory (SRAM-based cache) sitting closest to the processor, while slower, cheaper, high-capacity memory (DRAM and storage) handles bulk data needs.

The 6116 mattered because it provided developers and system designers with a reliable high-speed memory option when performance bottlenecks were severe limitations. In an era before the sophisticated caching systems and massive RAM capacities of modern systems, chips like the 6116 enabled computers to achieve responsiveness that users expected. The technology underlying the 6116 — flip-flop-based static RAM — remains fundamental to computing today, appearing in every processor's cache memory and register files.

Furthermore, the 6116 serves as a historical marker for the evolution of memory technology, illustrating how the computing industry progressed from relatively simple memory chips to the complex multi-level memory hierarchies of contemporary systems. Its specifications and design influenced subsequent SRAM development and helped establish the parameters that engineers continue to work within when designing memory systems for modern devices.

## Notable For

- **Specific Capacity**: One of the early SRAM chips to provide 16,384 bits of storage in a single integrated circuit
- **Flip-Flop Architecture**: Implements bistable flip-flop circuits using four to six transistors per bit, eliminating refresh cycle requirements
- **Historical Significance**: Representative of the SRAM technology that enabled cache memory development in personal computers
- **Manufacturer Diversity**: Produced by multiple companies including Hyundai and Integrated Device Technology
- **Educational Value**: Often used as a teaching example in digital electronics and computer architecture courses
- **Enduring Technology**: The underlying SRAM architecture used in the 6116 remains essential in modern processor design

## Body

### Technical Architecture

The 6116 SRAM chip implements storage using flip-flop circuits, which are bistable configurations of transistors that maintain their logical state indefinitely as long as power is supplied. Each bit of storage requires four to six transistors in a standard configuration, creating a memory cell that does not require periodic refreshing to maintain its data. This architectural choice provides immediate access to any stored bit without the delay inherent in DRAM's refresh operations.

The flip-flop design creates a memory cell with two stable states representing binary 0 and 1. Unlike dynamic RAM, which stores charge on capacitors and gradually loses this charge requiring refresh, the 6116's flip-flops remain in their last state until explicitly written with new data. This characteristic makes the chip particularly valuable for applications where data integrity and access speed are paramount considerations.

The integrated circuit packaging houses the complete memory array along with addressing logic, control circuits, and input/output buffers necessary for interaction with microprocessor systems. The chip typically operates at standard voltage levels compatible with contemporary processor families, enabling straightforward integration into computer systems of its era.

### Historical Context and Development

The 6116 emerged during a period of rapid advancement in semiconductor memory technology, when engineers were exploring various approaches to creating fast, reliable memory for computing applications. The distinction between static and dynamic RAM was well-established by this time, with each approach offering distinct advantages and disadvantages that suited different computing needs.

During the late 1970s and 1980s, SRAM chips like the 6116 found extensive use in personal computers and home computers, where the balance between cost, capacity, and speed determined system performance characteristics. Computer manufacturers selected SRAM for critical memory functions where the performance advantage justified the premium cost per bit compared to DRAM alternatives.

The development of the 6116 and similar SRAM chips laid groundwork for the memory hierarchies that characterize modern computing. Engineers recognized that not all memory needed equal characteristics — some memory required maximum speed (leading to SRAM adoption for cache), while other memory needed maximum capacity at minimum cost (leading to DRAM for main memory). The 6116 exemplified the SRAM approach that would become essential to processor performance.

### Related SRAM Models and Family

The 6116 exists within a family of SRAM integrated circuits that served the computing industry across multiple decades. Related models include the 6264, which offered higher capacity than the 6116, as well as earlier models such as the 2114, 2102, and 5101, each serving different capacity and application requirements. This family of chips represents the evolution of SRAM technology from early implementations through to modern embedded SRAM (eSRAM) variants.

The broader SRAM category also includes embedded SRAM (eSRAM), which integrates memory directly into processor chips rather than existing as separate integrated circuits. This approach reduces latency and improves performance by minimizing the physical distance between processor logic and memory cells. The 6116 represents the discrete integrated circuit approach that preceded such integration.

### Manufacturing and Industry

The 6116 was manufactured by companies including Hyundai and Integrated Device Technology, representing the global semiconductor industry's investment in SRAM technology during this period. These manufacturers produced the chips according to specifications that ensured compatibility across different computer systems and applications.

The classification of SRAM under UNSPSC code 32101603 reflects its position within broader industrial categorization systems used for procurement and standardization. This coding enables consistent identification and sourcing of SRAM components across commercial and industrial applications.

### Classification and Standards

The 6116 falls within the categories of volatile random-access memory and semiconductor memory, distinguishing it from non-volatile storage technologies like flash memory or read-only memory. Its classification reflects fundamental characteristics: the memory loses data when power is removed, and any location can be accessed directly without sequential reading.

The technology is documented across multiple Wikipedia language editions, with the German language edition (de) among those containing entries related to this SRAM model. This documentation reflects the global importance of SRAM technology in computing applications worldwide.

### Legacy and Continued Relevance

While the specific 6116 integrated circuit has been largely superseded by higher-capacity memory chips in modern applications, the fundamental technology it represents continues to play a critical role in computing. SRAM remains essential for cache memory in processors, where its speed advantages justify the higher cost per bit compared to DRAM.

The principles demonstrated by the 6116 — using flip-flop circuits to store bits without refresh requirements — remain the foundation of cache memory design in contemporary processors. Every central processing unit relies on SRAM-based cache to achieve the performance levels users expect from modern computing devices.

The 6116 also serves educational purposes, frequently appearing in electronics and computer architecture curricula as an example of fundamental memory design. Students learning about digital systems encounter SRAM architecture through chips like the 6116, understanding the principles that continue to govern memory design decisions today.