Logic - Translators, Level Shifters

Part Number	Description / PDF	Quantity
NB4L16MMNG Sanyo Semiconductor/ON Semiconductor	IC TRNSLTR UNIDIRECTIONAL 16QFN	57
MC10H124FNR2G Sanyo Semiconductor/ON Semiconductor	IC TRNSLTR UNIDIRECTIONAL 20PLCC	353
NLA9306MUQ1TCG Sanyo Semiconductor/ON Semiconductor	IC XLATOR DUAL I2C 8UQFN	0
FXLA0104QFX Sanyo Semiconductor/ON Semiconductor	IC TRNSLTR BIDIRECTIONAL 12MLP	5488
MC100LVELT23DG Sanyo Semiconductor/ON Semiconductor	IC TRNSLTR UNIDIRECTIONAL 8SOIC	23
MC10ELT20DR2G Sanyo Semiconductor/ON Semiconductor	IC TRNSLTR UNIDIRECTIONAL 8SOIC	5000
NLA9306MU3TAG Sanyo Semiconductor/ON Semiconductor	IC XLATOR DUAL I2C 8UDFN	66000
NLSX4401DFT2G Sanyo Semiconductor/ON Semiconductor	IC TRANSLATOR BIDIR SC88-6	144000
FXMAR2104UMX Sanyo Semiconductor/ON Semiconductor	IC TRNSLTR BIDIRECTIONAL 12MLP	112
MC100LVELT23DR2G Sanyo Semiconductor/ON Semiconductor	IC TRNSLTR UNIDIRECTIONAL 8SOIC	1212
MC100LVELT22DTRG Sanyo Semiconductor/ON Semiconductor	IC TRNSLTR UNIDIRECTIONAL 8TSSOP	16062500
MC100EPT25DTG Sanyo Semiconductor/ON Semiconductor	IC TRNSLTR UNIDIRECTIONAL 8TSSOP	4851400
NLSV8T244DWR2G Sanyo Semiconductor/ON Semiconductor	IC TRNSLTR UNIDIRECTIONAL 20SOIC	925
FXL2TD245L10X Sanyo Semiconductor/ON Semiconductor	IC TRNSLTR BIDIR 10MICROPAK	15369
MC10H124PG Sanyo Semiconductor/ON Semiconductor	IC TRNSLTR UNIDIRECTIONAL 16DIP	756400
NLSV4T244EDTR2G Sanyo Semiconductor/ON Semiconductor	IC TRNSLTR UNIDIR 14TSSOP	458
NLSV4T244DTR2G Sanyo Semiconductor/ON Semiconductor	IC TRNSLTR UNIDIR 14TSSOP	12882
MC100ELT23DR2G Sanyo Semiconductor/ON Semiconductor	IC TRNSLTR UNIDIRECTIONAL 8SOIC	170
MC10H124FNG Sanyo Semiconductor/ON Semiconductor	IC TRNSLTR UNIDIRECTIONAL 20PLCC	188
NLSV2T244DR2G Sanyo Semiconductor/ON Semiconductor	IC TRNSLTR UNIDIRECTIONAL 8SOIC	416017500

Logic - Translators, Level Shifters

1. Overview

Logic translators and level shifters are semiconductor devices that enable signal compatibility between circuits operating at different voltage levels. These ICs ensure reliable data transmission by converting logic signals from one voltage domain to another, maintaining signal integrity in mixed-voltage systems. Their importance has grown with the proliferation of low-voltage CMOS technologies and multi-rail power architectures in modern electronics.

2. Main Types and Functional Classification

Type	Functional Characteristics	Application Examples
Single-direction translators	Unidirectional voltage conversion with isolation	SPI interface between 3.3V FPGA and 1.8V sensors
Bi-directional translators	Automatic direction detection, dual-voltage I/O	I2C bus bridging between 5V microcontroller and 2.5V EEPROM
Multi-channel level shifters	Parallel conversion of multiple signals (4-32 channels)	Memory interface between SoC and DDR4 SDRAM modules
Direction-controlled translators	External control pin for signal direction selection	UART level conversion in industrial communication modules

3. Structure and Composition

Typical devices feature a monolithic CMOS structure with dual power supply inputs (VCCA and VCCB). Physical components include:

Dual-supply MOSFET pairs for voltage translation
Integrated clamp circuits for ESD protection
Direction control logic (for bidirectional types)
Channel-specific enable/disable circuitry

Common package types: TSSOP (14-48 pins), QFN (20-64 pins), WLCSP (1.5 1.5mm ultra-compact).

4. Key Technical Specifications

Parameter	Significance
Voltage range (1.2V-5.5V)	Determines compatibility with different logic families
Conversion rate (100Mbps-1.2Gbps)	Limits maximum operating frequency
Channel count (1-32)	Impacts system integration density
Propagation delay (2-20ns)	Affects timing critical applications
Quiescent current (1-100 A)	Power efficiency in battery-powered systems

5. Application Areas

Key industries include:

Telecommunications: 5G baseband processors interfacing with RF front-ends
Industrial automation: PLC modules connecting 24V sensors to 3.3V MCUs
Consumer electronics: Smartphone PMIC to application processor communication
Automotive systems: CAN-FD transceiver voltage adaptation
IoT devices: Sensor hub interfacing between different voltage rail components

6. Leading Manufacturers and Products

Manufacturer	Representative Product	Key Features
TI (Texas Instruments)	TXB0108	8-channel, 1.2-3.6V to 1.65-5.5V translation, auto-direction detection
NXP Semiconductors	LTC2850	3.3/5V dual supply, 15kV ESD protection, RS485/UART interface
ON Semiconductor	NXU408	4-channel, 0.9-5.5V range, sub-1ns propagation delay
STMicroelectronics	L6470	Stepper motor driver with integrated level shifting for industrial automation

7. Selection Guidelines

Key considerations:

Match supply voltage ranges with source/target systems
Ensure conversion rate meets timing requirements
Choose appropriate channel density to minimize PCB area
For bidirectional buses, select devices with automatic direction sensing
Consider thermal performance for high-current applications
Evaluate ESD protection levels for industrial environments

8. Industry Trends

Development directions include:

Voltage scaling down to 0.8V core operation
Integration with signal conditioning functions
Increased adoption of capacitive isolation technology
Advanced packaging (3D TSV, fan-out WLP)
Protocol-aware smart translation (I3C, PCIe 6.0)