32Kx8 bit Low Power CMOS Static RAM # Technical Documentation: K6T0808C1DDB55 Memory Module
Manufacturer : SAMSUNG
Component Type : DDR SDRAM Module
Part Number : K6T0808C1DDB55
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## 1. Application Scenarios (45% of Content)
### Typical Use Cases
The K6T0808C1DDB55 is a 512MB DDR-400 (PC3200) registered ECC SDRAM module designed for enterprise and server applications requiring high reliability and data integrity. This 184-pin DIMM operates at 2.6V with CAS latency 3 timing, making it suitable for memory-intensive operations where error correction and signal stability are paramount.
### Industry Applications
- Server Systems : Primary application in rack-mounted and tower servers requiring 24/7 operation with minimal downtime
- Workstations : High-performance computing workstations for engineering simulations, 3D rendering, and scientific computing
- Telecommunications Equipment : Network switches, routers, and base station controllers requiring reliable memory operation
- Industrial Control Systems : Manufacturing automation and process control systems where data integrity is critical
- Storage Systems : RAID controllers and NAS/SAN devices requiring ECC protection for data storage operations
### Practical Advantages and Limitations
Advantages:
- Error Correction : Integrated ECC (Error Correcting Code) detects and corrects single-bit errors, preventing data corruption
- Signal Integrity : Registered design with onboard buffers reduces electrical load on memory controller, enabling higher capacity configurations
- Compatibility : JEDEC-standard DDR-400 specification ensures broad compatibility with server-class chipsets
- Thermal Management : Standard height profile with optimal component placement for effective heat dissipation
- Reliability : Industrial-grade components rated for continuous operation in controlled environments
Limitations:
- Latency : Registered design adds one clock cycle latency compared to unbuffered modules
- Power Consumption : Higher operating voltage (2.6V) and additional buffer chips increase power draw versus consumer DDR
- Cost Premium : ECC and registered features increase component cost approximately 15-20% over non-ECC equivalents
- Compatibility Restrictions : Not compatible with standard desktop motherboards lacking registered memory support
- Speed Limitation : DDR-400 specification limits maximum data rate compared to modern DDR4/DDR5 technologies
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## 2. Design Considerations (35% of Content)
### Common Design Pitfalls and Solutions
Pitfall 1: Incorrect Memory Population
- Issue : Mixing registered and unbuffered modules in same system
- Solution : Implement strict bill of materials control and design validation to ensure homogeneous memory population
Pitfall 2: Thermal Management Neglect
- Issue : Inadequate airflow leading to thermal throttling or premature failure
- Solution : Design for minimum 1.5 m/s airflow across module surface with temperature monitoring implementation
Pitfall 3: Signal Integrity Compromise
- Issue : Excessive trace lengths or improper termination degrading signal quality
- Solution : Implement controlled impedance routing (40Ω ±10%) with length matching within ±50 mils for data lines
### Compatibility Issues with Other Components
Controller Compatibility:
- Requires memory controllers supporting registered DDR with ECC (Intel E7500 series, AMD 760MP/MPX chipsets)
- Incompatible with consumer chipsets (Intel 865/875, AMD nForce2)
- Verify BIOS support for CAS 3 timing at DDR-400 speeds
Mixed Module Considerations:
- Avoid mixing with different CAS latency modules
- Do not combine with different density modules in same channel
- Ensure identical revision levels for all modules in system
Power Supply Requirements:
- Dedicated 2.6V rail with ±5% regulation tolerance
- Minimum 8A current
