DSC1001CL5-025.0000T - 25MHz MEMS CMOS XO, ±10ppm | Microchip
Référence : DSC1001CL5-025.0000T ✓ Actif| Qté | Prix unitaire | Total |
|---|---|---|
| 1 | $1.32 | $1,32 |
| 10 | $1.18 | $11,80 |
| 100 | $0.98 | $98,00 |
| 500 | $0.86 | $430,00 |
| 1 000 | $0.74 | $740,00 |
DSC1001CL5-025.0000T Présentation
An XO (crystal oscillator) is a self-contained timing device that generates a fixed-frequency clock without requiring an external resonator. Unlike traditional quartz crystals, MEMS-based oscillators use a silicon resonator, offering improved shock and vibration resistance, faster startup, and eliminating crystal-related aging effects. MEMS XOs occupy the same role in the timing hierarchy as quartz crystals -> oscillators -> clock generators -> frequency references, and are increasingly preferred for rugged industrial, automotive, and portable applications.
Key features include ±10 ppm total stability over the full -40 °C to +105 °C temperature range, a duty cycle near 55 % at 25 MHz, 15 pF output load capability, and a maximum period jitter of 50 ps peak-peak over 50,000 cycles. The DSC1001 family covers 1 MHz to 150 MHz across the same footprint, allowing PCB reuse for multiple clock frequencies.
The silicon resonator architecture eliminates quartz-crystal stress fractures common in portable or high-vibration environments. Built-in standby reduces quiescent current during power-down, making the part well-suited to battery-powered systems that duty-cycle their clock domains. Spread-spectrum variants are also available within the family for EMI-sensitive applications.
Typical applications include microcontroller clock references in industrial controllers, USB and peripheral timing in portable electronics, communication modules, IoT sensor hubs, and automotive infotainment reference clocks. Any system that previously used a discrete 25 MHz crystal with a separate oscillator IC can be simplified to a single part.
When designing in this part, place the decoupling capacitor as close as possible to pin 4 (VDD) and route the LVCMOS output trace with 50 Ω characteristic impedance to avoid reflections. Confirm that downstream devices tolerate the 15 pF load rating; heavier loads may degrade rise/fall time and duty cycle.
This page synthesizes distributor pricing, drop-in alternatives, pinout detail, and design notes drawn from the Microchip DSC1001 datasheet family - providing practical integration guidance that goes beyond the bare datasheet.
Alternatives de remplacement direct pour DSC1001CL5-025.0000T — même boîtier, compatible broche à broche. Les références à boîtier différent nécessitant une retouche du PCB sont exclues.
Outil de comparaison rapide — sélectionnez des références alternatives pour une comparaison côte à côte :
DSC1001CL2-025.0000T
✅ Remplacement direct📋 Alternative de référence (hors catalogue)
DSC1001CL5-025.0000
✅ Remplacement direct📋 Alternative de référence (hors catalogue)
DSC1001DI2-025.0000T
✅ Remplacement direct📋 Alternative de référence (hors catalogue)
DSC1001CI2-025.0000T
✅ Remplacement direct📋 Alternative de référence (hors catalogue)
DSC1001DL5-025.0000T
✅ Remplacement direct📋 Alternative de référence (hors catalogue)
ECS-2520MV-250-BN-TR
✅ Remplacement direct📋 Alternative de référence (hors catalogue)
DSC1001CL5-025.0000T Spécifications
| Type de sortie | LVCMOS (CMOS) |
| Frequency | 25 MHz |
| Frequency Stability | ±10 ppm |
| Supply Voltage Range | 1.8 V to 3.3 V (operating range 1.7 V to 3.6 V) |
| Courant d'alimentation | 6.3 mA typical |
| Plage de température de fonctionnement | -40 °C to +105 °C |
| Boîtier | 4-VDFN (QFN) 3.2 mm x 2.5 mm |
| Type de montage | Surface Mount |
| Fonction | Standby (Power Down) |
| Output Load | 15 pF |
| Duty Cycle | 55 % typical |
| Period Jitter | 50 ps pk-pk typical (50,000 cycles) |
| Temps de montée | 2 ns max |
| Temps de descente | 2 ns max |
| Resonator Type | Silicon MEMS |
| Statut RoHS | Compliant |
| Packaging | Tape & Reel |
Configuration des broches de DSC1001CL5-025.0000T
| Broche 1 | STBY — Standby (Power Down) - active low; pull low to disable output |
| Broche 2 | GND — Ground reference |
| Broche 3 | CLKOUT — LVCMOS 25 MHz clock output |
| Broche 4 | VDD — Supply voltage (1.8 V to 3.3 V) |
Applications typiques
DSC1001CL5-025.0000T convient pour 6 applications: Microcontroller Reference Clock, Industrial Controller Timing, Portable and Battery-Powered Devices, USB and Communication Module Timing, IoT Sensor Hub Clocking, Automotive Infotainment Reference.
Microcontroller Reference Clock
The DSC1001CL5-025.0000T provides a stable 25 MHz reference clock for MCU clock inputs that require a fixed-frequency LVCMOS source. Its ±10 ppm stability across -40 °C to +105 °C ensures UART baud-rate accuracy and timer precision across industrial and consumer environments. With 6.3 mA typical supply current and 1.8-3.3 V operation, the part integrates cleanly into 1.8 V, 2.5 V, or 3.3 V MCU domains without level shifting. Pair with the ATMEGA328P-AUR for Arduino-class designs, the ATSAMD21G18A-MU for Cortex-M0+ applications, or the ATSAM3U4EA-CU for higher-performance Cortex-M3 designs requiring accurate timing.
Recommandé
Industrial Controller Timing
For industrial PLC, HMI, and motor-control modules, the DSC1001CL5-025.0000T delivers a robust 25 MHz clock that survives high-vibration factory environments where discrete quartz crystals would risk fracture. The MEMS silicon resonator is mechanically rugged and nearly immune to the stress-related failures common to crystal-based oscillators. Its wide 1.7-3.6 V supply tolerance and -40 °C to +105 °C temperature range suit 24 V industrial bus systems with onboard 3.3 V regulation. Pair with the ATSAME70Q21B-AN Cortex-M7 MCU for high-performance control, the ATXMEGA256A3BU-MH for 8-bit industrial I/O, or the CY8C4247AZI-M485 PSoC for mixed-signal industrial designs.
Recommandé
Portable and Battery-Powered Devices
The DSC1001CL5-025.0000T is ideal for handheld and battery-powered devices where standby power is critical. Its integrated standby (power-down) mode, activated by pulling pin 1 low, drops supply current to a few microamps, allowing direct MCU gating of the clock between active and sleep states. This avoids the constant drain of an always-on oscillator and extends battery life in duty-cycled IoT products. The 3.2 mm x 2.5 mm VDFN footprint fits small PCBs typical of wearables and wireless sensors. Pair with the ATSAML21G17B-U Cortex-M0+ MCU for ultra-low-power designs, the CC1310F128RHBR Sub-1 GHz wireless MCU, or the ATSAMD21G17D-MUT for BLE-class portable devices.
Recommandé
USB and Communication Module Timing
USB full-speed peripherals, Bluetooth and Wi-Fi modules, and serial communication bridges require accurate 25 MHz timing for proper data-rate compliance. The DSC1001CL5-025.0000T provides ±10 ppm accuracy well within USB 2.0 full-speed tolerance (±500 ppm at the application layer) and within the reference-clock requirements of most Bluetooth and Wi-Fi SoCs. Its 2 ns rise/fall time and 55 % duty cycle deliver clean edges that minimize EMI and timing skew. Pair with the CYUSB3013-BZXC EZ-USB FX3 USB 3.0 controller, the CY8C5888LTI-LP097 PSoC 5 for USB peripherals, or the CYW88335L2CUBGT combo Wi-Fi/BT module requiring a 25 MHz reference.
Recommandé
IoT Sensor Hub Clocking
IoT sensor hubs aggregate data from multiple analog and digital sensors over SPI, I2C, or UART, and require a stable clock for consistent data acquisition timing. The DSC1001CL5-025.0000T provides the 25 MHz reference that keeps SPI bus rates accurate and timing-synchronized sensor reads reliable. Its MEMS robustness eliminates crystal-aging concerns in long-life IoT deployments. Withstand of -40 °C to +105 °C supports outdoor and industrial sensor enclosures. Pair with the ATSAMR21G18A-MUT wireless SoC for sub-GHz IoT hubs, the CY8C5287AXI-LP095 PSoC 5LP for multi-sensor aggregation, or the CC3220SF12ARGKR Wi-Fi MCU for cloud-connected sensor nodes.
Recommandé
Automotive Infotainment Reference
In automotive infotainment head units, instrument clusters, and telematics modules, the DSC1001CL5-025.0000T provides a 25 MHz reference that meets the temperature and electrical demands of cabin-mounted electronics. The -40 °C to +105 °C rating covers automotive cabin thermal environments, and the MEMS resonator tolerates the vibration profile of vehicle dashboards. For safety-critical or under-hood applications, Microchip recommends the AEC-Q100-qualified DSA1001 family; however, the DSC1001CL5 is widely used in non-safety infotainment and body-electronics subsystems. Pair with the ATSAMV71Q21B-AABT Cortex-M7 MCU, the CY8C5868AXI-LP035 PSoC 5LP, or the S32K-class NXP MCU (not in site list) for automotive body controllers.
Recommandé
Récapitulatif des produits recommandés
Données de référence d'ingénierie pour DSC1001CL5-025.0000T — comparaison, recommandations de conception et informations de conformité.
Guide de sélection
Comparaison avec les alternatives
| Paramètre | Ce produit | DSC1001CL2-025.0000T | DSC1001CL5-025.0000 | DSC1001DI2-025.0000T | DSC1001CI2-025.0000T | ECS-2520MV-250-BN-TR |
|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | ECS Inc. |
| Package | 4-VDFN 3.2x2.5 mm | 4-VDFN 3.2x2.5 mm | 4-VDFN 3.2x2.5 mm | 4-VDFN 3.2x2.5 mm | 4-VDFN 3.2x2.5 mm | 4-VDFN 3.2x2.5 mm |
| Frequency | 25 MHz | 25 MHz | 25 MHz | 25 MHz | 25 MHz | 25 MHz |
| Frequency Stability | ±10 ppm | ±10 ppm | ±10 ppm | ±25 ppm | ±10 ppm | ±50 ppm |
| Operating Temperature | -40 °C to +105 °C | -40 °C to +85 °C | -40 °C to +105 °C | -40 °C to +85 °C | -40 °C to +85 °C | -40 °C to +85 °C |
| Supply Voltage | 1.8 V to 3.3 V | 1.8 V to 3.3 V | 1.8 V to 3.3 V | 1.8 V to 3.3 V | 1.8 V to 3.3 V | 1.6 V to 3.6 V |
| Standby Pin | Yes (pin 1) | Yes (pin 1) | Yes (pin 1) | Yes (pin 1) | Yes (pin 1) | Yes |
| Unit Price (qty-1) | $1.32 | approx. $1.30 | approx. $1.45 (cut tape premium) | approx. $1.10 | approx. $1.25 | approx. $0.95 |
Principaux différenciateurs
- Extended -40 °C to +105 °C operating range with ±10 ppm stability (vs DSC1001CL2-025.0000T)
- Tightest ±10 ppm stability in the DSC1001 family at 25 MHz (vs DSC1001DL5-025.0000T)
- Higher precision vs typical ECS Inc. 25 MHz XO (vs ECS-2520MV-250-BN-TR)
Notes de conception
Place a 0.1 µF X7R ceramic decoupling capacitor as close as possible to pin 4 (VDD) of the DSC1001CL5-025.0000T, ideally within 2 mm of the pad. Use a short, wide ground return to pin 2 (GND) to minimize supply-induced jitter. For multi-layer boards, dedicate an inner ground plane directly under the oscillator and avoid routing signal traces beneath the part to reduce capacitive coupling into the resonator.
Route the LVCMOS output (pin 3) with a controlled 50 Ω characteristic impedance trace, keeping it as short as practical. Place a series damping resistor (typically 22-33 Ω) near the oscillator output if the trace length exceeds ~25 mm or the load is heavy, to dampen reflections. Avoid routing the clock trace parallel to high-current switching signals; maintain at least 3W spacing (where W = trace width) to reduce crosstalk into the timing reference.
Do not float the STBY pin (pin 1); it must be tied high (to VDD) for normal operation or driven by an MCU GPIO for power-down control. Leaving STBY floating can result in undefined output behavior or intermittent oscillation. Additionally, ensure the load capacitance at pin 3 stays within the 15 pF datasheet rating; capacitive loads above ~20 pF will degrade rise/fall time and increase jitter significantly.
The DSC1001CL5-025.0000T consumes 6.3 mA at 3.3 V (about 21 mW) typical, so thermal management is rarely an issue at the package level. However, in sealed enclosures with no airflow near the oscillator, the local ambient temperature may rise above the +105 °C maximum if downstream components generate significant heat. Verify worst-case enclosure temperature in thermal chamber testing for high-temperature-rated designs.
Informations de conformité
RoHS and REACH compliant per Microchip product page and distributor listings. Not AEC-Q100 qualified - use DSA1001 family for automotive safety-critical designs. Halogen-free and lead-free per Microchip packaging specs.
