STMicroelectronics 74LCX125YTTR Quad Bus Buffer, TSSOP14 Package for IoT Edge & Industrial Automation Signal Isolation

STMicroelectronics 74LCX125YTTR Quad Bus Buffer Overview for IoT Edge & Industrial Control Circuits

The STMicroelectronics 74LCX125YTTR is a low-voltage, high-speed quad bus buffer with 3-state outputs, engineered for B2B applications that demand reliable multi-channel signal separation, wide voltage compatibility, and space efficiency-targeted at Internet of Things (IoT) (edge computing nodes, wireless sensor networks), Industrial Automation (PLC signal conditioning, factory sensor buses), and Consumer Electronics (smart home hub peripherals, portable device data interfaces). It integrates critical features-four independent bus buffer channels, 2.0V?C3.6V supply voltage range, 0.5??A typical standby current, 12ns max propagation delay, TSSOP14 surface-mount package, and -40??C to +85??C operating temperature-to eliminate signal cross-talk and streamline multi-device communication designs.

With low-voltage 4-channel signal isolation (tuned for 3.3V IoT and industrial systems), it balances fast data transfer with minimal power draw and compact footprint. This makes it ideal for engineers prioritizing signal reliability (preventing data corruption), power savings (battery-powered IoT nodes), and space optimization (dense industrial control boards) in electronic circuits. As part of STMicroelectronics?? logic IC lineup-a series trusted by 238,000+ developers in industrial and IoT sectors-it meets strict quality benchmarks: RoHS 2 compliance, ISO 9001 certification, IEC 61000-6-2 EMC compliance (industrial environments), and 9,000+ hours of reliability testing (including signal integrity, thermal stability, and long-term standby validation).

Senior engineers at a leading industrial automation brand endorse it: ??This quad buffer powers our PLC??s 4-sensor bus. It cut ??signal error?? downtime by 30%, and the TSSOP14 package let us add a safety monitoring feature. We now hit 99.92% factory uptime and 93% client satisfaction.?? For more reliable IoT and industrial logic components, visit Produttore di circuiti integrati.

Technical Parameters of STMicroelectronics 74LCX125YTTR

Key Technical Features of 74LCX125YTTR Quad Bus Buffer

• 2.0V?C3.6V Wide Supply Range: Boosts compatibility. An IoT brand noted: ??Works with our 3.3V edge nodes-no $0.15 voltage converters, cutting BOM costs by 15% per unit.??
• 12ns Fast Propagation Delay: Ensures speed. An industrial brand shared: ??PLC data processing time dropped by 22%-factory production cycles shortened by 16%, boosting monthly output by 10%.??
• TSSOP14 Compact Package: Saves space. A smart home brand confirmed: ??Hub peripheral module PCB area used dropped by 40%-fits in 6.5mm x 6.5mm, down from 10.8mm x 10.8mm with SOIC14.??
• 0.5??A Ultra-Low Standby Current: Cuts power use. An IoT brand said: ??Wireless sensor standby power dropped by 25%-battery life extended by 1.5 months, reducing field visits by 20%.??
• ??24mA High Output Drive: Ensures strength. An industrial brand explained: ??Drives 8-meter sensor cables without loss-??weak signal?? alerts dropped by 35%, cutting factory downtime by 25%.??

Advantages of 74LCX125YTTR vs. Typical Alternatives

Compared to four single-channel bus buffers, high-voltage logic buffers, and bulky SOIC14-package quad buffers, the 74LCX125YTTR solves critical B2B pain points-backed by real customer feedback:

1. Fewer Components Than Four Single-Channel Buffers: Using four single-channel buffers requires four TSSOP8 packages and extra passives, increasing PCB space (10.8mm x 10.8mm vs. 6.5mm x 4.4mm) and BOM costs by $0.22 per unit. The quad-channel design eliminates this. An industrial brand said: ??Our old four-single-buffer PLC used 26 components-this quad model uses 14. Assembly time dropped by 22%, and we added a vibration sensor to the saved space, reducing equipment failures by 18%.??

2. Lower Power Than High-Voltage Logic Buffers: High-voltage logic buffers (5V supply) draw 8.0mA active current, draining IoT sensors in 5.5 days. The 2.0mA active current extends life to 7 days. An IoT brand shared: ??Our old 5V buffer sensor lasted 5.5 days-this 3.3V model lasts 7. We saved $140,000 yearly in field costs and added 6 new industrial clients, growing market share by 28%.??

3. Smaller Footprint Than SOIC14-Package Quad Buffers: SOIC14 quad buffers take up 1.7x more PCB space than TSSOP14 (10.8mm x 6.5mm vs. 6.5mm x 4.4mm), forcing IoT edge modules to exceed 8mm thickness limits. The TSSOP14 package fixes this. A portable IoT brand confirmed: ??Our old SOIC14 buffer module was 9.1mm thick-clients rejected it for 8mm enclosures. This TSSOP14 model fits, and we sold 110,000 modules in 3 months, growing revenue by 32%.??

Typical Applications of STMicroelectronics 74LCX125YTTR

This low-voltage quad bus buffer excels in signal-critical, space-constrained B2B designs-proven in these key use cases:

• Industrial Automation (PLC Sensor Buses): Fast delay ensures real-time data, wide temp resists factory heat. An industrial brand confirmed: ??PLC error rate dropped by 30%, factory uptime rose to 99.92%, maintenance costs cut by $130,000 yearly.??
• Internet of Things (IoT) (Edge Computing Nodes): Compact package fits modules, low standby extends battery. An IoT brand reported: ??Edge node size reduced by 40%, battery life up by 1.5 months, client retention grew by 26%.??
• Consumer Electronics (Smart Home Hubs): High drive supports peripherals, wide voltage fits 3.3V hubs. A home tech brand shared: ??Hub peripheral issues dropped by 35%, BOM costs cut by 15%, sales rose by 20%.??
• Industrial Automation (Factory Sensor Networks): 3-state outputs prevent contention, low power saves energy. An industrial brand confirmed: ??Sensor network downtime dropped by 25%, energy use down by 20%, client satisfaction at 93%.??
• Internet of Things (IoT) (Wireless Sensor Networks): Low power extends life, fast delay ensures timely data. An IoT brand noted: ??Sensor battery life up by 1.5 months, data latency down by 22%, we added 6 new industrial clients.??

Frequently Asked Questions (FAQ) About STMicroelectronics 74LCX125YTTR

Why is 2.0V?C3.6V supply range useful for IoT edge nodes and industrial PLCs?

IoT edge nodes and industrial PLCs run on 3.3V power-high-voltage buffers (5V) need $0.15 converters, adding to BOM costs. The 2.0V?C3.6V range works directly. An IoT engineer said: ??Our old 5V buffer node needed a $0.15 converter-this model doesn??t. We cut per-unit costs by $0.15, saved $75,000 yearly on 500,000 nodes, and added 4 new IoT clients.??

How does 12ns propagation delay improve industrial PLC performance?

Industrial PLCs need sub-15ns delay for real-time sensor data-slower buffers (20ns) cause 22% longer production cycles. 12ns cuts delay, speeding operations. An industrial brand said: ??Our old 20ns buffer PLC took 380ms to process data-this 12ns model takes 300ms. Production cycles shortened by 16%, output rose by 10%, and we won a $450,000 factory contract.??

What value does the TSSOP14 package add for compact IoT edge modules?

Compact IoT edge modules need ??8mm thickness-bulky SOIC14 buffers (10.8mm x 6.5mm) force 9.1mm+ thickness, making modules incompatible with tight enclosures. The TSSOP14??s small size fixes this. An IoT brand said: ??Our old SOIC14 buffer module was 9.1mm thick-clients rejected it. This TSSOP14 model fits 8mm enclosures, and we sold 110,000 modules, growing revenue by 32%.??

How does 0.5??A standby current extend IoT sensor battery life?

IoT sensors spend 80% of time in standby-high standby current (2.0??A) drains batteries in 5.5 days. 0.5??A extends life to 7 days. An IoT brand said: ??Our old 2.0??A buffer sensor lasted 5.5 days-this 0.5??A model lasts 7. We cut field battery changes by 25%, saved $140,000 yearly, and retained 94% of our IoT clients.??

Why is -40??C to +85??C temperature range suitable for industrial and outdoor IoT use?

Industrial factory floors reach 65??C, and outdoor IoT deployments hit -35??C-narrow-range buffers (0??C?C70??C) fail 12% of the time. The wide range ensures reliability. An industrial brand said: ??Our old 0??C?C70??C buffer failed 12% in factories-this model fails 2%. Warranty costs dropped by $90,000 yearly, and we retained 98% of our industrial clients.??