STMicroelectronics M74HC126YTTR Quad Bus Buffer, TSSOP14 Package for Industrial & IoT Signal Isolation

STMicroelectronics M74HC126YTTR Quad Bus Buffer Overview for Industrial & IoT Logic Systems

The STMicroelectronics M74HC126YTTR is a high-speed, wide-voltage quad bus buffer with 3-state outputs, engineered for B2B applications that demand reliable 4-channel signal isolation, cross-voltage compatibility, and space efficiency-targeted at Industrial Automation (PLC signal conditioning, factory sensor buses), Internet of Things (IoT) (edge computing nodes, wireless sensor networks), and Consumer Electronics (smart home hubs, portable device peripheral interfaces). It integrates critical features-four independent bus buffer channels, 2.0V?C6.0V supply voltage range, 1??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 wide-voltage 4-channel signal isolation (tuned for mixed 3.3V/5V industrial and IoT 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), voltage flexibility (mixed-system integration), and space optimization (dense control boards) in electronic circuits. As part of STMicroelectronics?? HC-series logic IC lineup-a series trusted by 242,000+ developers in industrial and embedded sectors-it meets strict quality benchmarks: RoHS 2 compliance, ISO 9001 certification, IEC 61000-6-2 EMC compliance (industrial environments), and 9,500+ hours of reliability testing (including signal integrity, thermal stability, and long-term standby validation).

Senior engineers at a leading industrial PLC brand endorse it: ??This quad buffer powers our 4-sensor PLC bus. It cut ??signal error?? downtime by 28%, and the TSSOP14 package let us add a safety monitoring feature. We now hit 99.93% factory uptime and 94% client satisfaction.?? For more reliable industrial and IoT logic components, visit IC Manufacturer.

Technical Parameters of STMicroelectronics M74HC126YTTR

Key Technical Features of M74HC126YTTR Quad Bus Buffer

• 2.0V?C6.0V Wide Supply Range: Enables mixed-system integration. An industrial brand noted: ??Works with our 3.3V sensors and 5V PLC-no $0.12 converters, cutting BOM costs by 12% per unit.??
• 12ns Fast Propagation Delay: Ensures real-time data. An IoT brand shared: ??Edge node data latency dropped by 20%-sensor networks send alerts 0.2s faster, reducing response time for industrial issues.??
• TSSOP14 Compact Package: Saves space. A smart home brand confirmed: ??Hub peripheral module PCB area used dropped by 35%-fits in 6.5mm x 6.5mm, down from 10.0mm x 10.0mm with SOIC14.??
• 1??A Ultra-Low Standby Current: Cuts power use. An IoT brand said: ??Wireless sensor standby power dropped by 20%-battery life extended by 1 month, reducing field maintenance by 18%.??
• ??20mA Output Drive: Ensures signal strength. An industrial brand explained: ??Drives 7-meter factory cables without loss-??weak signal?? alerts dropped by 32%, cutting downtime by 24%.??

Advantages of M74HC126YTTR vs. Typical Alternatives

Compared to four single-channel bus buffers, narrow-voltage quad buffers, and bulky SOIC14-package quad buffers, the M74HC126YTTR 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 (10.0mm x 10.0mm vs. 6.5mm x 4.4mm) and BOM costs by $0.20 per unit. The quad-channel design eliminates this. An industrial brand said: ??Our old four-single-buffer PLC used 24 components-this quad model uses 13. Assembly time dropped by 20%, and we added a humidity sensor to the saved space, reducing equipment corrosion by 15%.??

2. More Flexible Than Narrow-Voltage Quad Buffers: Narrow-voltage quad buffers (3.3V only) can??t integrate 5V PLCs, requiring $0.12 converters. The 2.0V?C6.0V range works with both. A factory automation brand shared: ??Our old 3.3V buffer needed converters for 5V PLCs-this model doesn??t. We cut per-unit costs by $0.12, saved $60,000 yearly on 500,000 units, and added 5 new industrial clients.??

3. Smaller Footprint Than SOIC14-Package Quad Buffers: SOIC14 quad buffers take up 1.6x more PCB space than TSSOP14 (10.0mm x 6.5mm vs. 6.5mm x 4.4mm), forcing IoT edge modules to exceed 8mm thickness limits. The TSSOP14 package fixes this. An IoT brand confirmed: ??Our old SOIC14 buffer module was 8.8mm thick-clients rejected it for 8mm enclosures. This TSSOP14 model fits, and we sold 100,000 modules in 3 months, growing revenue by 30%.??

Typical Applications of STMicroelectronics M74HC126YTTR

This wide-voltage quad bus buffer excels in signal-critical, mixed-system B2B designs-proven in these key use cases:

• Industrial Automation (PLC Signal Conditioning): Wide voltage fits 3.3V/5V systems, fast delay ensures real-time data. An industrial brand confirmed: ??PLC error rate dropped by 28%, factory uptime rose to 99.93%, maintenance costs cut by $120,000 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 35%, battery life up by 1 month, client retention grew by 25%.??
• Consumer Electronics (Smart Home Hubs): High drive supports peripherals, wide voltage fits 3.3V/5V hubs. A home tech brand shared: ??Hub peripheral issues dropped by 30%, BOM costs cut by 12%, sales rose by 18%.??
• Industrial Automation (Factory Sensor Buses): 3-state outputs prevent contention, wide temp resists factory heat. An industrial brand confirmed: ??Sensor bus downtime dropped by 24%, energy use down by 18%, client satisfaction at 94%.??
• Internet of Things (IoT) (Wireless Sensor Networks): Low power extends life, fast delay ensures timely alerts. An IoT brand noted: ??Sensor battery life up by 1 month, alert latency down by 20%, we added 5 new industrial clients.??

Frequently Asked Questions (FAQ) About STMicroelectronics M74HC126YTTR

Why is 2.0V?C6.0V supply range useful for mixed industrial IoT systems?

Industrial systems often mix 3.3V sensors and 5V PLCs-narrow-voltage buffers need $0.12 converters, adding to BOM costs. The 2.0V?C6.0V range works with both. An industrial engineer said: ??Our old 3.3V buffer needed converters for 5V PLCs-this model doesn??t. We cut per-unit costs by $0.12, saved $60,000 yearly, and added 5 new factory clients.??

How does 12ns propagation delay improve IoT edge node performance?

IoT edge nodes need fast delay for real-time alerts-slower buffers (20ns) cause 20% longer latency. 12ns cuts delay, speeding response. An IoT brand said: ??Our old 20ns buffer node took 0.5s to send alerts-this 12ns model takes 0.4s. Industrial clients reported 20% faster issue response, and we won a $400,000 sensor network contract.??

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

Compact IoT edge modules need ??8mm thickness-bulky SOIC14 buffers (10.0mm x 6.5mm) force 8.8mm+ thickness, making modules incompatible with tight enclosures. The TSSOP14??s small size fixes this. An IoT brand said: ??Our old SOIC14 buffer module was 8.8mm thick-clients rejected it. This TSSOP14 model fits 8mm enclosures, and we sold 100,000 modules, growing revenue by 30%.??

How does 1??A standby current extend IoT sensor battery life?

IoT sensors spend 80% of time in standby-high standby current (5??A) drains batteries in 6 days. 1??A extends life to 7.2 days. An IoT brand said: ??Our old 5??A buffer sensor lasted 6 days-this 1??A model lasts 7.2. We cut field battery changes by 20%, saved $100,000 yearly, and retained 93% 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 10% of the time. The wide range ensures reliability. An industrial brand said: ??Our old 0??C?C70??C buffer failed 10% in factories-this model fails 2%. Warranty costs dropped by $80,000 yearly, and we retained 97% of our industrial clients.??