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ECS-TXO-2520MV-100-AY-TR
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ECS Temperature Compensated Crystal Oscillators (TCXOs), SMD2520-4P. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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ECS-TXO-2520MV-100-AY-TR
ECS · Temperature Compensated Crystal Oscillators (TCXOs) · SMD2520-4P
ECS-TXO-2520MV-100-AY-TR from ECS, in a SMD2520-4P. Pinout and pin descriptions extracted from the manufacturer datasheet (extract_pins, cross-checked by a second model); symbol, footprint, and 3D from KiCad-official CAD.
Pinout
| Pin | Name | Type | Function |
|---|---|---|---|
| 1 | Tri-State | input | Output enable: with pin 1 high or not connected the output is active, and pulling it low disables the output to high-impedance (High-Z). |
| 2 | Ground | power_in | Ground connection for the oscillator. |
| 3 | Output | output | CMOS clock output with a logic low at 10% VDD maximum and a logic high at 90% VDD minimum, 45/55% symmetry at 50% VDD, 5 ns rise and fall times, and a 15 pF CMOS load. |
| 4 | VDD | power_in | Supply input, specified from +1.7 to +3.6 VDC (MultiVolt, compatible with 1.8 V, 2.5 V or 3.3 V supplies). |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | ECS |
| Package | SMD2520-4P |
| Category | Crystal Oscillator/Oscillator/Resonator |
| Pins | 4 |
Electrical characteristics
Limits as printed in the datasheet (page.json metadata.characteristics carries them as data).
| Parameter | Symbol | Min | Typ | Max | Unit | Conditions | Page |
|---|---|---|---|---|---|---|---|
| Input Voltage VDD | VDD | 1.7 | 3.6 | VDC | 1 | ||
| Frequency Tolerance vs. Temp (stability A = ±2.5 ppm) | -2.5 | 2.5 | PPM | AN -40 ~ +85°C | 1 | ||
| Frequency Stability vs. Supply Change | -0.3 | 0.3 | PPM | ±5% | 1 | ||
| Frequency Stability vs. Load Change | -0.3 | 0.3 | PPM | ±5% | 1 | ||
| Frequency Stability vs. Aging/Year | -1 | 1 | PPM | per year | 1 | ||
| Frequency Tolerance @ +25°C | -1.5 | 1.5 | PPM | @ +25°C ±2°C | 1 | ||
| Current Consumption | 6 | mA | 1 | ||||
| Current Consumption at 3.2~10 MHz, VDD +1.8V | 2.7 | mA | VDD +1.8V; frequency 3.2~10 MHz | 1 | |||
| Current Consumption at 3.2~10 MHz, VDD +2.5V | 3.1 | mA | VDD +2.5V; frequency 3.2~10 MHz | 1 | |||
| Current Consumption at 3.2~10 MHz, VDD +2.8V | 3.4 | mA | VDD +2.8V; frequency 3.2~10 MHz | 1 | |||
| Current Consumption at 3.2~10 MHz, VDD +3.3V | 4 | mA | VDD +3.3V; frequency 3.2~10 MHz | 1 | |||
| "0" Level Output Voltage | VOL | 10 | % Vdd | printed as 10% Vdd VDC | 1 | ||
| "1" Level Output Voltage | VOH | 90 | % Vdd | printed as 90% Vdd VDC | 1 | ||
| Output Symmetry | 45 | 55 | % | @50% VDD Level | 1 | ||
| Rise and Fall Times | 5 | ns | 10% VDD to 90% Level | 1 | |||
| Start-up Time | 10 | mS | 1 | ||||
| Phase Noise | -145 | dBc/Hz | @ 10 KHz Offset | 1 | |||
| Phase Jitter (12 KHz ~ 20 MHz) | 254 | fs | @ 50 MHz | 1 | |||
| Operating Temperature (Y option per part numbering guide) | -30 | 85 | °C | Y = -30 ~ +85°C | 1 | ||
| Storage Temperature | -40 | 90 | °C | 1 | |||
| Frequency Range | 10 | 60 | MHz | 1 | |||
| Nominal Frequency (code 100) | 10 | MHz | Developed frequency abbreviation 100 | 2 |
Materials and finish
As the datasheet states them (page.json metadata.appearance; the 3D model's colours follow it).
| Part | Material | Colour / plating | Datasheet says | Page |
|---|---|---|---|---|
| contacts | gold | • Lead Finish Au • MultiVolt™ Compatible with | 1 |
CAD (KiCad official)
- Symbol:
ECS-TXO-2520MV-100-AY-TR - Footprint:
Crystal:Crystal_SMD_2520-4Pin_2.5x2.0mm - 3D model: SMD2520-4P (KiCad packages3D, STEP)
- 3D model files:
ecs-txo-2520mv-100-ay-tr-etched.step/ecs-txo-2520mv-100-ay-tr-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);ecs-txo-2520mv-100-ay-tr.step/ecs-txo-2520mv-100-ay-tr.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: ECS datasheet (2 pp, sha256
70bacff9b2792bba, retrieved 2026-10-29, tier: lcsc) - Extractor: parts-factory
2.0.0/extract_pins 0.3, primaryclaude-haiku-5-5(text), consensusclaude-sonnet-5-5(agreed), guards: pin_guards 0.1: passed. Pins are checked against the footprint pad set and their cited datasheet pages before publish. - CAD: KiCad official libraries (CC-BY-SA 4.0).
# ECS-TXO-2520MV-100-AY-TR
**ECS** · Temperature Compensated Crystal Oscillators (TCXOs) · SMD2520-4P
ECS-TXO-2520MV-100-AY-TR from ECS, in a SMD2520-4P. Pinout and pin descriptions extracted from the manufacturer datasheet (extract_pins, cross-checked by a second model); symbol, footprint, and 3D from KiCad-official CAD.
## Pinout
| Pin | Name | Type | Function |
|---|---|---|---|
| 1 | Tri-State | input | Output enable: with pin 1 high or not connected the output is active, and pulling it low disables the output to high-impedance (High-Z). |
| 2 | Ground | power_in | Ground connection for the oscillator. |
| 3 | Output | output | CMOS clock output with a logic low at 10% VDD maximum and a logic high at 90% VDD minimum, 45/55% symmetry at 50% VDD, 5 ns rise and fall times, and a 15 pF CMOS load. |
| 4 | VDD | power_in | Supply input, specified from +1.7 to +3.6 VDC (MultiVolt, compatible with 1.8 V, 2.5 V or 3.3 V supplies). |
## Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | ECS |
| Package | SMD2520-4P |
| Category | Crystal Oscillator/Oscillator/Resonator |
| Pins | 4 |
## Electrical characteristics
Limits as printed in the datasheet (page.json `metadata.characteristics` carries them as data).
| Parameter | Symbol | Min | Typ | Max | Unit | Conditions | Page |
|---|---|---|---|---|---|---|---|
| Input Voltage VDD | VDD | 1.7 | | 3.6 | VDC | | 1 |
| Frequency Tolerance vs. Temp (stability A = ±2.5 ppm) | | -2.5 | | 2.5 | PPM | AN -40 ~ +85°C | 1 |
| Frequency Stability vs. Supply Change | | -0.3 | | 0.3 | PPM | ±5% | 1 |
| Frequency Stability vs. Load Change | | -0.3 | | 0.3 | PPM | ±5% | 1 |
| Frequency Stability vs. Aging/Year | | -1 | | 1 | PPM | per year | 1 |
| Frequency Tolerance @ +25°C | | -1.5 | | 1.5 | PPM | @ +25°C ±2°C | 1 |
| Current Consumption | | | | 6 | mA | | 1 |
| Current Consumption at 3.2~10 MHz, VDD +1.8V | | | | 2.7 | mA | VDD +1.8V; frequency 3.2~10 MHz | 1 |
| Current Consumption at 3.2~10 MHz, VDD +2.5V | | | | 3.1 | mA | VDD +2.5V; frequency 3.2~10 MHz | 1 |
| Current Consumption at 3.2~10 MHz, VDD +2.8V | | | | 3.4 | mA | VDD +2.8V; frequency 3.2~10 MHz | 1 |
| Current Consumption at 3.2~10 MHz, VDD +3.3V | | | | 4 | mA | VDD +3.3V; frequency 3.2~10 MHz | 1 |
| "0" Level Output Voltage | VOL | | | 10 | % Vdd | printed as 10% Vdd VDC | 1 |
| "1" Level Output Voltage | VOH | 90 | | | % Vdd | printed as 90% Vdd VDC | 1 |
| Output Symmetry | | 45 | | 55 | % | @50% VDD Level | 1 |
| Rise and Fall Times | | | | 5 | ns | 10% VDD to 90% Level | 1 |
| Start-up Time | | | | 10 | mS | | 1 |
| Phase Noise | | | -145 | | dBc/Hz | @ 10 KHz Offset | 1 |
| Phase Jitter (12 KHz ~ 20 MHz) | | | 254 | | fs | @ 50 MHz | 1 |
| Operating Temperature (Y option per part numbering guide) | | -30 | | 85 | °C | Y = -30 ~ +85°C | 1 |
| Storage Temperature | | -40 | | 90 | °C | | 1 |
| Frequency Range | | 10 | | 60 | MHz | | 1 |
| Nominal Frequency (code 100) | | | 10 | | MHz | Developed frequency abbreviation 100 | 2 |
## Materials and finish
As the datasheet states them (page.json `metadata.appearance`; the 3D model's colours follow it).
| Part | Material | Colour / plating | Datasheet says | Page |
|---|---|---|---|---|
| contacts | | gold | • Lead Finish Au • MultiVolt™ Compatible with | 1 |
## CAD (KiCad official)
- Symbol: `ECS-TXO-2520MV-100-AY-TR`
- Footprint: `Crystal:Crystal_SMD_2520-4Pin_2.5x2.0mm`
- 3D model: SMD2520-4P (KiCad packages3D, STEP)
- 3D model files: `ecs-txo-2520mv-100-ay-tr-etched.step` / `ecs-txo-2520mv-100-ay-tr-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `ecs-txo-2520mv-100-ay-tr.step` / `ecs-txo-2520mv-100-ay-tr.glb` are the bare package body.
## Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- **Datasheet:** [ECS datasheet](docs/ecs-txo-2520mv-100-ay-tr-datasheet.pdf) (2 pp, sha256 `70bacff9b2792bba`, retrieved 2026-10-29, tier: lcsc)
- **Extractor:** parts-factory `2.0.0` / `extract_pins 0.3`, primary `claude-haiku-5-5` (text), consensus `claude-sonnet-5-5` (agreed), guards: pin_guards 0.1: passed. Pins are checked against the footprint pad set and their cited datasheet pages before publish.
- **CAD:** KiCad official libraries (CC-BY-SA 4.0).
[Datasheet PDF](docs/ecs-txo-2520mv-100-ay-tr-datasheet.pdf)