SN74LVC8T245PW: Texas Instruments' Premier 8-Bit Bidirectional Voltage Level Translation Transceiver

The SN74LVC8T245PW represents the gold standard in voltage level translation technology, engineered by semiconductor leader Texas Instruments. This comprehensive guide explores every aspect of this innovative IC, helping engineers and procurement specialists make informed decisions for their next-generation designs.

In-Depth Product Analysis

Manufacturer Credentials

• Manufacturer: Texas Instruments (NASDAQ: TXN)
• Product Line: LVC (Low-Voltage CMOS) Family
• Quality Certification: Industrial-grade reliability with AEC-Q100 compliance for automotive applications

Technical Specifications Breakdown

Core Functionality

• Logic Type: Bidirectional voltage level translator with independent direction control
• Channel Configuration: Dual 8-bit transceiver (2 8-bit)
• Data Rate: Supports up to 140MHz transmission speed

Voltage & Power Characteristics

• Wide Voltage Range: 1.65V to 5.5V operation (both VCCA and VCCB)
• Power Consumption: Ultra-low 10 A ICC (typical) in standby
• I/O Tolerance: 5.5V tolerant inputs regardless of VCC

Signal Integrity Features

• Drive Strength: 32mA balanced output current
• Bus Hold: Eliminates need for external pull-up/pull-down resistors
• ESD Protection: >2000V HBM protection on all pins

Advanced Packaging Details

Mechanical Specifications

• Package Type: TSSOP-24 (PW package)
• Dimensions: 4.4mm 7.8mm body size
• Pin Pitch: 0.65mm for high-density PCB layouts
• Moisture Sensitivity: Level 2 (MSL2) per J-STD-020

Application Scenarios

Industrial Implementations

• Factory automation systems bridging 3.3V controllers with 5V sensor networks
• Motor control interfaces requiring robust voltage translation

Consumer Electronics

• Smartphone baseband-to-RF module communication
• IoT edge devices interfacing multiple voltage domains

Automotive Systems

• CAN bus networks interfacing different voltage domains
• Infotainment system data buses

Design Advantages

System-Level Benefits

• Mixed-Voltage Optimization: Enables seamless communication between legacy 5V systems and modern 1.8V/3.3V devices
• Signal Conditioning: Built-in Schmitt-trigger inputs improve noise immunity
• Power Sequencing: Supports any power-up sequence for VCCA and VCCB

Reliability Metrics

• Operating temperature range: -40 C to +125 C (automotive grade available)
• MTBF >1 million hours at maximum rated conditions

Comparative Analysis

Market Alternatives

Competitor	Key Difference	TI Advantage
NXP 74LVC8T245	Single direction control	Independent per-channel direction control
ON Semiconductor MC74LVC8T245	Limited to 100MHz	140MHz operation

Purchasing Information

• Packaging Options: Tape and reel (2500 units), cut tape, or sample quantities
• Lead Time: Typically ships within 24 hours for in-stock items
• Pricing Tier: Volume discounts available starting at 1000 units

Technical Support Resources

• Reference designs for common voltage translation scenarios
• SPICE models for signal integrity simulation
• Thermal analysis application notes

For engineers seeking reliable voltage level translation in space-constrained designs, the SN74LVC8T245PW delivers unmatched performance. Its combination of wide voltage range, high-speed operation, and robust packaging makes it the ideal solution for modern mixed-voltage systems. Visit our authorized distributor network today to request samples or place volume orders.