Logic - Buffers, Drivers, Receivers, Transceivers

Part Number	Description / PDF	Quantity
74LCX245MTC Sanyo Semiconductor/ON Semiconductor	IC TXRX NON-INVERT 3.6V 20TSSOP	0
74AC240SCX Sanyo Semiconductor/ON Semiconductor	IC BUFFER INVERT 6V 20SOIC	0
NC7SV34L6X Sanyo Semiconductor/ON Semiconductor	IC BUF NON-INVERT 3.6V 6MICROPAK	2147483647
NC7SP17L6X Sanyo Semiconductor/ON Semiconductor	IC BUF NON-INVERT 3.6V 6MICROPAK	6857
74LVTH2245MTC Sanyo Semiconductor/ON Semiconductor	IC TXRX NON-INVERT 3.6V 20TSSOP	21747300
74VHC245MTC Sanyo Semiconductor/ON Semiconductor	IC TXRX NON-INVERT 5.5V 20TSSOP	3720075
MC74HC240ADTR2G Sanyo Semiconductor/ON Semiconductor	IC BUFFER INVERT 6V 20TSSOP	196
MC74ACT541DWG Sanyo Semiconductor/ON Semiconductor	IC BUF NON-INVERT 5.5V 20SOIC	0
NL37WZ07USG Sanyo Semiconductor/ON Semiconductor	IC BUFFER NON-INVERT 5.5V US8	2147483647
NC7SV126L6X Sanyo Semiconductor/ON Semiconductor	IC BUF NON-INVERT 3.6V 6MICROPAK	109780000
NLVVHCT126ADTR2G Sanyo Semiconductor/ON Semiconductor	IC BUF NON-INVERT 5.5V 14TSSOP	0
74VHC125MTC Sanyo Semiconductor/ON Semiconductor	IC BUF NON-INVERT 5.5V 14TSSOP	380447000
NC7WZ126L8X Sanyo Semiconductor/ON Semiconductor	IC BUF NON-INVERT 5.5V 8MICROPAK	5464
74ACT245SCX Sanyo Semiconductor/ON Semiconductor	IC TXRX NON-INVERT 5.5V 20SOIC	0
MC74ACT541DTG Sanyo Semiconductor/ON Semiconductor	IC BUF NON-INVERT 5.5V 20TSSOP	807
MC74HCT541ADTR2G Sanyo Semiconductor/ON Semiconductor	IC BUF NON-INVERT 5.5V 20TSSOP	20832500
MM74HCT540WM Sanyo Semiconductor/ON Semiconductor	IC BUFFER INVERT 5.5V 20SOIC	8778640
NLV74HC126ADR2G Sanyo Semiconductor/ON Semiconductor	IC BUFFER NON-INVERT 6V 14SOIC	0
MC74HCT245ADTG Sanyo Semiconductor/ON Semiconductor	IC TXRX NON-INVERT 5.5V 20TSSOP	9731875
74LVX244M Sanyo Semiconductor/ON Semiconductor	IC BUF NON-INVERT 3.6V 20SOIC	110424840

Logic - Buffers, Drivers, Receivers, Transceivers

1. Overview

Logic buffers, drivers, receivers, and transceivers are fundamental components in digital circuits designed to manage signal integrity, level shifting, and electrical isolation. These ICs ensure reliable data transmission between devices with varying voltage levels, drive capabilities, or noise environments. They play a critical role in modern electronics, including computers, communication systems, industrial automation, and automotive electronics.

2. Main Types and Functional Classification

Type	Functional Characteristics	Application Examples
Buffers	Signal replication and drive strength enhancement without inversion	Memory address lines, clock distribution networks
Drivers	High-current output for capacitive/inductive loads	Motor controllers, LED displays
Receivers	Signal conditioning and voltage-level translation	RS-485 interfaces, sensor signal processing
Transceivers	Bidirectional signal conversion with isolation	USB interfaces, CAN bus systems

3. Structure and Composition

These ICs typically feature:

Standard packages: DIP, SOIC, TSSOP, QFN
Internal circuitry: CMOS/Bipolar transistors, ESD protection diodes
Power rails: Separate VCC/GND for noise isolation
I/O structures: Schmitt-trigger inputs, tri-state outputs

4. Key Technical Specifications

Parameter	Description	Importance
Data Rate	Maximum signal switching frequency (Mbps/Gbps)	Determines communication speed
Supply Voltage	Operating voltage range (e.g., 1.65-5.5V)	Compatibility with system power
Drive Strength	Output current capability ( 24mA typical)	Load driving capacity
Propagation Delay	Signal transmission time (ns range)	Timing critical applications
ESD Rating	Electrostatic discharge tolerance (kV)	Reliability in harsh environments

5. Application Fields

Telecommunications: Base stations, optical modules
Industrial Automation: PLCs, fieldbus interfaces
Consumer Electronics: Smartphones, SSD controllers
Automotive: CAN transceivers, sensor hubs
Aerospace: Avionics data links

6. Leading Manufacturers and Products

Manufacturer	Key Products	Features
TI	SN74LVC245A	8-bit bus transceiver, 64MHz, 1.65-3.6V
STMicro	L6384E	High-side driver with protection features
NXP	TJA1050	High-speed CAN transceiver
ON Semi	MC74VHC1GT45	Low-voltage translator, 125MHz

7. Selection Guidelines

Match voltage levels between source and destination
Calculate required drive current ( IOL/IOH)
Consider package thermal characteristics
Select appropriate ESD protection level
Evaluate timing requirements (tPD, skew)
Verify industrial/automotive temperature ratings

8. Industry Trends

Increasing integration of protocol-specific transceivers
Sub-1V core voltage compatibility
EMI reduction through slew-rate control
Automotive-grade SiC/GaN driver development
AI-driven dynamic power optimization
Adoption of 3D packaging for high-density applications