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PL123S-05HSC-R
Microchip Technology
IC CLK MULTPLX 1:5 134MHZ 16SOIC
2976 Pcs New Original In Stock
IC 134MHz 1 8-SOIC (0.154", 3.90mm Width)
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5.0 / 5.0
- (383 Ratings)
PL123S-05HSC-R
Product Overview
1575377
DiGi Electronics Part Number
PL123S-05HSC-R-DGManufacturer
Microchip Technology
PL123S-05HSC-R
Description
IC CLK MULTPLX 1:5 134MHZ 16SOICInventory
2976 Pcs New Original In Stock
IC 134MHz 1 8-SOIC (0.154", 3.90mm Width)
Quantity
Minimum 1
Minimum 1
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PL123S-05HSC-R Technical Specifications
Category
Clock/Timing, Clock Generators, PLLs, Frequency Synthesizers
Packaging
-
Series
-
Product Status
Discontinued at Digi-Key
DiGi-Electronics Programmable
Not Verified
PLL
Yes with Bypass
Input
Clock
Output
Clock
Number of Circuits
1
Ratio - Input:Output
1:5
Differential - Input:Output
No/No
Frequency - Max
134MHz
Divider/Multiplier
No/No
Voltage - Supply
3V ~ 3.6V
Operating Temperature
0°C ~ 70°C
Mounting Type
Surface Mount
Package / Case
8-SOIC (0.154", 3.90mm Width)
Supplier Device Package
8-SOP
Base Product Number
PL123
Datasheet & Documents
HTML Datasheet
PL123S-05HSC-R-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
2,500
Reviews
5.0/5.0-(Show up to 5 Ratings)
December 02, 2025
Bei DiGi Electronics finde ich immer ein gutes Preis-Leistungs-Verhältnis, unterstützt durch eine sichere Verpackung.
December 02, 2025
Ich bin begeistert von der Logistik: pünktlich, transparent und stets gut informiert.
December 02, 2025
Their inventory responsiveness significantly benefits our bulk purchasing needs.
December 02, 2025
DiGi Electronics’ efficient order handling allows us to focus more on educational quality rather than logistics.
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Frequently Asked Questions (FAQ)
What are the key design-in risks when using the PL123S-05HSC-R in a noise-sensitive application, and how can they be mitigated?
The PL123S-05HSC-R uses an integrated PLL without differential I/O, making it susceptible to power supply and substrate noise in high-speed digital environments. Since it operates up to 134MHz with a 1:5 fanout, ground bounce or supply coupling on the 3.0V–3.6V rail can degrade jitter performance. To mitigate this, use a dedicated LDO for the VDD pin, place a 10µF ceramic capacitor in parallel with a 0.1µF near the supply pin, and ensure a solid ground plane under the 8-SOIC footprint. Additionally, route output traces away from sensitive analog or high-speed data lines to avoid crosstalk due to simultaneous switching outputs.
Can the PL123S-05HSC-R be used as a direct drop-in replacement for the IDT 5V9910CKI-05 or similar clock buffers, and what compatibility issues should be considered?
The PL123S-05HSC-R is not a direct drop-in replacement for the IDT 5V9910CKI-05 due to key differences in supply voltage and pinout. The PL123S-05HSC-R operates at 3.0V–3.6V versus the IDT part’s 5V tolerance, risking signal integrity or damage if interfaced directly without level shifting. Additionally, while both are 1:5 fanout buffers, the PL123S-05HSC-R has a bypassable PLL and may introduce different propagation delay characteristics. Ensure voltage compatibility, verify PCB layout spacing for the 3.90mm 8-SOIC package, and check timing budgets for setup/hold time margins before substitution.
How does the PLL bypass feature in the PL123S-05HSC-R impact clock distribution design, and when should it be used?
The PL123S-05HSC-R includes a PLL bypass mode that allows the input clock to pass directly to outputs without frequency conditioning. Use bypass mode when the source clock is already low-jitter and you need to minimize additional phase noise or lock time. However, when driving long traces or heavily loaded nets, keeping the PLL enabled improves output drive strength and skew management across the five outputs. Engage bypass only after verifying signal integrity through simulation or probing—note that switching modes dynamically may cause glitches unless properly synchronized.
What are the reliability concerns when designing the PL123S-05HSC-R into a system operating near its 70°C maximum temperature limit?
Operating the PL123S-05HSC-R close to its 70°C specified maximum can increase jitter and reduce long-term reliability due to thermal stress on the internal PLL circuitry. While the device is rated for 0°C–70°C (industrial grade), sustained high temperatures affect timing precision and accelerate electromigration in bond wires. Mitigate these risks by limiting ambient temperature via airflow or thermal pads, avoiding placement near heat sources like power regulators, and derating performance by 20% for margin. Monitor junction temperature during burn-in testing to ensure stability.
What are the implications of the PL123S-05HSC-R being discontinued at Digi-Key for new designs and long-term production availability?
Although the PL123S-05HSC-R is currently available in original stock (2951 pcs at DiGi-Electronics), its 'Discontinued at Digi-Key' status indicates limited long-term availability, posing supply chain risks for volume or extended-lifecycle designs. For new projects, consider sourcing a last-time buy or evaluating active-pin-compatible alternatives like the Texas Instruments LMK08002 or ON Semiconductor NB3H5151MNG (both 3.3V, 1:5 clock distribution), which offer better availability and enhanced jitter specs. If using the PL123S-05HSC-R, validate with manufacturer cross-reference tools and secure extended inventory early.
Quality Assurance (QC)
DiGi ensures the quality and authenticity of every electronic component through professional inspections and batch sampling, guaranteeing reliable sourcing, stable performance, and compliance with technical specifications, helping customers reduce supply chain risks and confidently use components in production.
PL123S-05HSC-R CAD Models
Microchip Technology PL123S-05HSC-R PCB symbols & footprints
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