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Siemens HYB514400BJ-60 4MB Simm non-Parity FastPage Memory
- Capacity: 4 Megabit (4MB)
- Type: DRAM (Dynamic Random-Access Memory)
- Technology: Fast Page Mode (FPM)
- Access Time: 60ns
- Form Factor: SIMM (Single In-line Memory Module) - Chip level
- Parity: Non-Parity
- Voltage: Standard DRAM voltage (typically 5V)
- Application: Older computer systems, embedded systems
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Product Overview
The Siemens HYB514400BJ-60 is a 4 Megabit (4MB) Fast Page Mode DRAM memory chip. It operates at 60ns access time and is designed for older systems requiring SIMM memory modules. This chip is non-parity and uses older memory architecture.
Technical Information
| Capacity | 4 Mbit |
| Memory Type | DRAM |
| Technology | Fast Page Mode |
Additional Specifications
| Access Time | 60 ns |
| Parity | Non-Parity |
| Package Type | SIMM Chip |
Product Description
The Siemens HYB514400BJ-60 is a legacy memory component, specifically a 4 Megabit (4MB) DRAM chip utilizing Fast Page Mode (FPM) technology. This type of memory was common in computer systems from the late 1980s and early 1990s. The '60' in the part number typically denotes an access time of 60 nanoseconds, which was considered fast for its era. FPM DRAM allows for faster access to sequential memory locations within a 'page', improving efficiency over earlier DRAM types. This chip is designed to be part of a SIMM (Single In-line Memory Module), which is a type of memory module where the memory chips are mounted on a small vertical circuit board with edge connectors. The 'non-parity' designation means that the chip itself does not include circuitry for error detection, relying on the system's motherboard or controller for any parity checking if implemented. This was a common configuration for cost-effectiveness in many consumer-grade systems of the time. Due to its very low capacity and outdated technology, the HYB514400BJ-60 is primarily of interest for historical system restoration, specialized embedded applications, or as a replacement part for vintage computers. It is not compatible with modern DDR, DDR2, DDR3, or DDR4 memory slots and requires a motherboard designed specifically for FPM DRAM SIMMs.
