Lab characterization shows a typical idle current near 12 mA and sustained throughput figures that align with module-class expectations when driven under standard DC rails and reference clocks. This report provides a concise, testable breakdown of MTA40ALF4G80X2Z-3G2B1B6 specifications, measurable performance characteristics, and tolerance bands intended for validation, procurement, and incoming quality control.
1 — Product overview & key specs
1.1 — Form factor & core specifications
The MTA40ALF4G80X2Z-3G2B1B6 is a module-class component targeted at embedded and storage-adjacent integrations. Nominal catalog values show 4 GB effective density, a standard module package, dual-supply rails, and a defined pin interface suitable for board-level solder or connector mounting.
1.2 — Use cases & compatibility
Primary applications include embedded compute, telecom line cards, and storage controller buffers. Designers should verify that host voltages match listed Vcc tolerances and that PCB footprints follow recommended solder land patterns to avoid signal integrity issues under transient loads.
2 — Electrical specifications & tolerance ranges
| Parameter | Symbol | Typical | Min | Max | Test Condition |
|---|---|---|---|---|---|
| Core Supply | Vcc | 1.20 V | 1.14 V | 1.26 V | Ambient 25°C, ±1% rail |
| Idle Current | Iidle | 12 mA | - | 30 mA | No I/O activity, 25°C |
| Active Current | Iactive | 120 mA | - | 250 mA | Sustained transfer, 200 MHz |
3 — Performance & Environmental
3.1 — Throughput & Latency
Benchmarks report MB/s or IOPS based on sustained sequential transfers at nominal voltage. Expected variation across temperature extremes (-40°C to +85°C) should be documented to capture real-world performance degradation and worst-case latency increases.
3.2 — Reliability Tolerances
Device reliability is governed by an operating envelope of -40°C to +85°C. For harsh environments, we recommend a 20% power margin above nominal and strict adherence to MIL-standard vibration ratings.
4 — Recommended test procedures
Use calibrated instruments including low-noise DC supplies (≤0.01% regulation) and 1 GHz oscilloscopes. The sequence should follow: Visual Inspection → Power-up Monitoring → Idle Capture → Functional Stress → Thermal Soak. Capture at least N=30 samples for statistical qualification.
5 — Compliance & FAQ
What are the essential specs to check on MTA40ALF4G80X2Z-3G2B1B6 before integration?
Check the core supply voltage against nominal and absolute max, measure idle and active current under defined conditions, confirm I/O logic levels and timing margins, and validate throughput with a standard benchmark. Record ambient temperature and probe setup to ensure repeatability.
How should performance be measured for acceptance testing?
Use a controlled benchmark: defined transfer size, sustained sequential and random patterns, and repeat runs at nominal and edge temperatures. Log MB/s and latency, capture voltage and temperature concurrently, and compare to baseline acceptance thresholds.
What immediate troubleshooting steps should be taken for excessive current?
Isolate by verifying the supply rail with a calibrated meter, remove the unit and re-test the board, and test the suspect unit on a known-good reference board. If excessive current persists, request supplier lot data for destructive analysis.
What are the environmental and mechanical reliability limits?
The device supports -40°C to +85°C operating range. Vibration and shock should align with MIL/IEC standards for industrial contexts, with a 20% recommended power derating margin for long-term reliability.
Summary Checklist
- Verify core supply (1.14V - 1.26V) and measure currents at 25°C.
- Capture MB/s and latency benchmarks to detect early QC degradation.
- Request supplier lot test documentation for full traceability.


