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DSC1123CI5-100.0000
Microchip Technology
MEMS OSC XO 100.0000MHZ LVDS SMD
1783 Pcs New Original In Stock
100 MHz XO (Standard) LVDS Oscillator 2.25V ~ 3.63V Enable/Disable 6-SMD, No Lead
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- (313 Ratings)
DSC1123CI5-100.0000
Product Overview
1367983
DiGi Electronics Part Number
DSC1123CI5-100.0000-DGManufacturer
Microchip Technology
DSC1123CI5-100.0000
Description
MEMS OSC XO 100.0000MHZ LVDS SMDInventory
1783 Pcs New Original In Stock
100 MHz XO (Standard) LVDS Oscillator 2.25V ~ 3.63V Enable/Disable 6-SMD, No Lead
Quantity
Minimum 1
Minimum 1
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DSC1123CI5-100.0000 Technical Specifications
Category
Oscillators
Packaging
Tube
Series
DSC1123
Product Status
Active
Base Resonator
MEMS
Type
XO (Standard)
Frequency
100 MHz
Function
Enable/Disable
Output
LVDS
Voltage - Supply
2.25V ~ 3.63V
Frequency Stability
±10ppm
Absolute Pull Range (APR)
-
Operating Temperature
-40°C ~ 85°C
Spread Spectrum Bandwidth
-
Current - Supply (Max)
32mA
Ratings
-
Mounting Type
Surface Mount
Package / Case
6-SMD, No Lead
Size / Dimension
0.126" L x 0.098" W (3.20mm x 2.50mm)
Height - Seated (Max)
0.035" (0.90mm)
Current - Supply (Disable) (Max)
22mA
Base Product Number
DSC1123
Datasheet & Documents
HTML Datasheet
DSC1123CI5-100.0000-DG
Environmental & Export Classification
RoHS Status
ROHS3 Compliant
Moisture Sensitivity Level (MSL)
1 (Unlimited)
REACH Status
REACH Unaffected
ECCN
EAR99
HTSUS
8542.39.0001
Additional Information
Standard Package
110
Reviews
5.0/5.0-(Show up to 5 Ratings)
de desembre 02, 2025
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Frequently Asked Questions (FAQ)
Can the DSC1123CI5-100.0000 replace a quartz-based XO in a high-vibration industrial motor controller without requiring PCB layout changes?
Yes, the DSC1123CI5-100.0000 is a MEMS-based oscillator with inherent vibration resistance up to 50,000g, making it ideal for high-shock environments like motor controllers. Its 6-SMD no-lead package matches common quartz XO footprints (e.g., 3.2mm x 2.5mm), but verify pad compatibility—especially the Enable/Disable pin function—before drop-in replacement. Unlike quartz, it eliminates acoustic resonance risks, reducing field failures in vibrating systems.
What are the key reliability risks when using the DSC1123CI5-100.0000 in outdoor telecom base stations operating near -40°C, and how can they be mitigated?
While the DSC1123CI5-100.0000 is rated for -40°C to 85°C, cold-start reliability at the lower limit depends on proper power sequencing. Below -30°C, ensure the 2.25V minimum supply is stable during ramp-up to avoid startup failure. Add a 100nF decoupling capacitor within 2mm of VDD and avoid long traces to the enable pin. Microchip’s MEMS technology avoids crystal aging issues, but thermal cycling stress on solder joints can be mitigated with underfill in extreme environments.
How does the DSC1123CI5-100.0000 compare to the SiT8208AI-23-33E-100.000000G for phase noise-sensitive FPGA clocking applications?
The DSC1123CI5-100.0000 offers ±10ppm stability and LVDS output suitable for FPGAs, but the SiT8208AI provides better phase noise performance (-150 dBc/Hz vs. -145 dBc/Hz at 10kHz offset), critical for high-speed SerDes. If your design uses >10Gbps transceivers, consider the SiT8208AI despite higher cost. For sub-6Gbps applications, the DSC1123CI5-100.0000 delivers adequate performance with lower power (32mA max) and better shock tolerance, making it a cost-effective choice for ruggedized systems.
Is it safe to disable the DSC1123CI5-100.0000 output via the OE pin during normal operation in a redundant clock system, and what leakage current should I expect?
Yes, the DSC1123CI5-100.0000 supports hot disable via the OE pin, drawing only 22mA max in disable mode—significantly lower than active operation. However, the LVDS outputs enter a high-impedance state, not ground, so ensure downstream receivers have fail-safe biasing to prevent floating inputs. In redundant clock architectures, use series termination resistors (typically 100Ω) near the receiver to dampen reflections when switching between active and disabled clocks.
Can I use the DSC1123CI5-100.0000 as a direct replacement for the TXC 7C-100.000MAA-T in a legacy 3.3V design, and what layout considerations apply?
The DSC1123CI5-100.0000 operates at 3.3V (within its 2.25V–3.63V range) and matches the TXC 7C-100.000MAA-T’s frequency and LVDS output, enabling functional replacement. However, the DSC1123 uses a 6-SMD no-lead package versus the TXC’s 4-pin ceramic DIP, requiring PCB pad rework. Ensure symmetrical differential trace routing (100Ω differential impedance) and minimize length mismatch (<5mm) to preserve signal integrity. Also, confirm the enable pin logic matches your control circuit—unlike the TXC, the DSC1123 requires explicit OE management.
Quality Assurance (QC)
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DSC1123CI5-100.0000 CAD Models
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