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LZ9FC23
Sharp Microelectronics
IC TIMING CONTROL 72QFP
3134 Pcs New Original In Stock
Timing Control 72-QFP (10x10)
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Minimum 1
5.0 / 5.0
- (425 Ratings)
LZ9FC23
Product Overview
13106469
DiGi Electronics Part Number
LZ9FC23-DGManufacturer
Sharp Microelectronics
LZ9FC23
Description
IC TIMING CONTROL 72QFPInventory
3134 Pcs New Original In Stock
Timing Control 72-QFP (10x10)
Quantity
Minimum 1
Minimum 1
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LZ9FC23 Technical Specifications
Category
Specialized ICs
Packaging
-
Series
-
Product Status
Obsolete
DiGi-Electronics Programmable
Not Verified
Type
Timing Control
Applications
-
Mounting Type
Surface Mount
Package / Case
72-LQFP
Supplier Device Package
72-QFP (10x10)
Base Product Number
LZ9FC23
Datasheet & Documents
Datasheets
Download LZ9FC23 Product Specification (PDF)
HTML Datasheet
LZ9FC23-DG
Environmental & Export Classification
Moisture Sensitivity Level (MSL)
3 (168 Hours)
REACH Status
REACH Unaffected
ECCN
EAR99
HTSUS
8542.39.0001
Additional Information
Other Names
425-2496
Standard Package
160
Reviews
5.0/5.0-(Show up to 5 Ratings)
December 02, 2025
Ich schätze die schnelle Lieferung bei DiGi Electronics sehr. Die Verpackung war zuverlässig und perfekt zum Schutz meiner Bestellung.
December 02, 2025
I've had nothing but positive experiences with the robustness of their products.
December 02, 2025
Excellent logistics infrastructure ensures their products reach customers promptly.
December 02, 2025
Every package felt crafted with care, indicating a high standard in both packing and shipping procedures.
December 02, 2025
I am consistently satisfied with the careful packaging of their deliveries.
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Frequently Asked Questions (FAQ)
Is the Sharp Microelectronics LZ9FC23 timing control IC still viable for new designs given its obsolete status, and what are the key risks of proceeding with it in a production design?
The Sharp Microelectronics LZ9FC23 is marked as obsolete, which means it is no longer recommended for new designs and may face long-term supply chain risks. While 3062 units are currently in stock, relying on this part introduces significant obsolescence risk—future production runs could be delayed or halted due to part unavailability. Additionally, without active manufacturer support, you lose access to updated documentation, reliability data, and technical assistance. For new designs, we strongly recommend evaluating a modern, actively supported alternative such as the Renesas 72LQFP-based timing controller (e.g., 74LVT16245BDGG) or a programmable timing solution from Microchip (e.g., DSC6001HI2A). If you must use the LZ9FC23, secure a lifetime buy and implement a second-source strategy to mitigate supply disruption.
What are the critical layout and thermal considerations when replacing a legacy timing controller with the LZ9FC23 in a densely populated 72-QFP (10x10) surface-mount design?
When integrating the LZ9FC23 in a high-density PCB with a 72-QFP (10x10) footprint, pay close attention to thermal management and signal integrity. The 10x10 mm package has a moderate thermal resistance, and without a dedicated thermal pad or via stitching under the IC, junction temperatures can rise significantly under continuous operation—especially in enclosed systems. Use a 4-layer or higher stack-up with solid ground planes adjacent to the signal layers to minimize noise coupling into sensitive timing paths. Ensure all high-speed control outputs are length-matched and routed away from analog or RF sections. Also, adhere to the MSL 3 (168-hour floor life) handling requirements: bake the parts if stored beyond the moisture exposure limit and use nitrogen storage to prevent popcorning during reflow.
Can the LZ9FC23 be directly replaced with a functionally similar timing control IC from a different manufacturer, such as Texas Instruments or NXP, without firmware or PCB changes?
Direct drop-in replacement of the LZ9FC23 with parts from TI or NXP is unlikely without modifications. While some timing controllers offer similar pin counts and package types (e.g., TI’s SN74LVT16245B in a 72-TQFP), differences in pinout, power sequencing, output drive strength, and control logic protocols (e.g., I²C vs. parallel interface) typically require both PCB layout changes and firmware updates. For example, the NXP 74LVC16245A has a different enable logic polarity and input threshold levels. A safer path is to use a pin-compatible legacy alternative like the obsolete but still stocked Renesas ICS932S421BGL, or redesign around a modern programmable clock generator like the Si5338 from Skyworks, which offers software-configurable timing with better long-term availability.
How does the moisture sensitivity level (MSL 3) of the LZ9FC23 impact manufacturing workflows, and what steps are required to avoid assembly defects?
The LZ9FC23’s MSL 3 rating (168-hour floor life) imposes strict handling requirements during SMT assembly. Once removed from its dry pack, the component must be reflowed within 168 hours when stored under ≤60% relative humidity at 30°C. Exceeding this window risks moisture absorption, leading to 'popcorning'—internal delamination or package cracking during reflow due to rapid vapor expansion. To mitigate this, track exposure time using moisture indicator cards, store opened reels in dry cabinets (<10% RH), and bake parts at 125°C for 24 hours if the floor life is exceeded. Include MSL labeling on BOMs and train line operators on moisture control procedures to prevent costly rework or field failures.
What reliability concerns should I evaluate before using the LZ9FC23 in an industrial or automotive application, despite its EAR99 and REACH Unaffected status?
While the LZ9FC23 is classified as EAR99 and REACH Unaffected, these designations relate only to export control and chemical compliance—not reliability or qualification for harsh environments. The part lacks AEC-Q100 automotive qualification and has no published MTBF or HTOL (Highly Accelerated Life Test) data, making it unsuitable for safety-critical or high-reliability applications like automotive powertrain or industrial motor control. Additionally, as an obsolete component, long-term drift characteristics and aging effects are undocumented. For industrial use, consider derating operating voltage and temperature margins, and implement periodic system diagnostics. For new designs, migrate to a qualified alternative such as the Microchip DSC1001DI2 or Analog Devices AD9548, which offer full reliability reporting and extended temperature range support.
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.
LZ9FC23 CAD Models
Sharp Microelectronics LZ9FC23 PCB symbols & footprints
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