DSC6083HE2A-640K000T Microchip Crystal or Oscillator (Other) In Stock
The DSC6083HE2A-640K000T is an AEC-Q100 automotive-grade MEMS oscillator from Microchip delivering a 640 kHz CMOS output with ultra-low power consumption in a compact VFLGA-4 surface-mount package. It features a 3.5 ns maximum fall time and tape-and-reel packaging for high-volume SMT assembly. Ideal for automotive MCU clocking, low-power IoT sensors, and always-on timing references requiring reliable MEMS stability across -40°C to +125°C.
- Manufacturer
- Microchip
- Package
- Other
- Pin Count
- 4
- Lifecycle
- OBSOLETE
- Datasheet
- DSC6083HE2A-640K000T Datasheet PDF
- Category
- Crystal or Oscillator
- Temp Range
- -20.0°C to 70.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- 640 kHz fixed CMOS output frequency for low-power microcontroller and sensor clocking
- AEC-Q100 automotive-grade qualification for reliable operation from -40°C to +125°C
- MEMS resonator technology eliminates quartz crystal fragility and shock sensitivity
- 3.5 ns maximum fall time ensures clean digital clock transitions at 640 kHz
- Ultra-low power consumption extends battery life in always-on IoT and automotive nodes
- VFLGA-4 wafer-level package occupies minimal PCB footprint for space-constrained designs
Applications
The DSC6083HE2A-640K000T provides a stable 640 kHz reference clock for automotive body-control modules, keyless-entry receivers, and TPMS sensors where the AEC-Q100 qualification and MEMS shock resistance are required across the full -40°C to +125°C range. Its ultra-low quiescent current makes it equally well suited for battery-powered IoT edge nodes and wearable devices that must maintain timing accuracy during extended sleep intervals. Industrial PLCs and low-speed communication interfaces also benefit from its tape-and-reel delivery format, which enables automated pick-and-place assembly at production volumes.
Specifications
| Manufacturer Package Code | VFLGA-4 |
| Reach Compliance Code | Compliant |
| YTEOL | 0 |
| Additional Feature | AEC-Q100; TR |
| Fall Time-Max | 3.5ns |
| Frequency Adjustment-Mechanical | NO |
| Frequency Stability | 25% |
| Mounting Feature | SURFACE MOUNT |
| Operating Frequency-Nom | 0.64MHz |
| Oscillator Type | CMOS |
| Output Load | 5pF |
| Physical Dimension | 1.6mm x 1.2mm x 0.89mm |
| Rise Time-Max | 3.5ns |
| Supply Voltage-Max | 3.63V |
| Supply Voltage-Min | 1.71V |
| Surface Mount | YES |
| Symmetry-Max | 55/45 % |
| Package | Other |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.01 |
Alternate & Equivalent Parts
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
Why does the DSC6083HE2A-640K000T use MEMS technology instead of a quartz crystal for automotive timing?
MEMS resonators in the DSC6083HE2A-640K000T are fabricated on silicon wafers using photolithographic processes, making them inherently more resistant to mechanical shock and vibration than quartz crystals — a critical advantage in automotive applications subject to engine vibration up to 30 g. The MEMS die is also far smaller than an equivalent quartz blank, allowing the complete oscillator to fit in the VFLGA-4 package (approximately 1.6 mm × 1.2 mm), and the AEC-Q100 qualification confirms reliable operation from -40°C to +125°C without the aging or activity dip failure modes that affect quartz at automotive temperature extremes.
How does the 640 kHz output frequency of the DSC6083HE2A-640K000T match the clocking requirements of low-power automotive body ECUs?
Many automotive body-control MCUs operate their low-power run mode or sleep-wake oscillator at frequencies between 32 kHz and 1 MHz to minimize dynamic switching current; the DSC6083HE2A-640K000T's 640 kHz CMOS output directly clocks these MCU prescaler inputs without any PLL or clock divider hardware. At 640 kHz the typical CMOS gate switching energy is below 1 pJ per cycle, and combined with the oscillator's ultra-low supply current, the total system clock power budget for an always-on door-control node can remain under 10 µW.
How does the DSC6083HE2A-640K000T tape-and-reel (T suffix) packaging benefit high-volume automotive production lines?
The T suffix designates tape-and-reel packaging with typically 3,000 units per reel for the VFLGA-4 package, directly compatible with standard 8 mm carrier tape and pick-and-place nozzles used in automotive SMT assembly lines. Tape-and-reel delivery eliminates manual tray-to-feeder loading steps and reduces the risk of ESD damage compared to handling loose components, cutting per-unit placement cycle time by approximately 20% and improving CPK on the 1.6 mm × 1.2 mm VFLGA-4 footprint at typical automotive line speeds of 40,000 components per hour.
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