Logic - Buffers, Drivers, Receivers, Transceivers

Image	Part Number	Description / PDF	Quantity	Rfq
	DM74AS651WM Sanyo Semiconductor/ON Semiconductor	IC TXRX NON-INVERT 5.5V 24SOP	0
	74LCXZ16244MEAX Sanyo Semiconductor/ON Semiconductor	IC BUF NON-INVERT 3.6V 48SSOP	0
	DM74AS652WM Sanyo Semiconductor/ON Semiconductor	IC TXRX NON-INVERT 5.5V 24SOP	0
	MC14050BCPG Sanyo Semiconductor/ON Semiconductor	IC BUFFER NON-INVERT 18V 16DIP	0
	74ABT126CMTC Sanyo Semiconductor/ON Semiconductor	IC BUF NON-INVERT 5.5V 14TSSOP	0
	DM74ALS244AWM Sanyo Semiconductor/ON Semiconductor	IC BUF NON-INVERT 5.5V 20SOIC	0
	74LVTH2240MTCX Sanyo Semiconductor/ON Semiconductor	IC BUFFER INVERT 3.6V 20TSSOP	0
	MC74VHC541MEL Sanyo Semiconductor/ON Semiconductor	IC BUF NON-INVERT 5.5V SOEIAJ-20	0
	74LCXZ2245WMX Sanyo Semiconductor/ON Semiconductor	IC TXRX NON-INVERT 3.6V 20SOIC	0
	MC74HC245ANG Sanyo Semiconductor/ON Semiconductor	IC TXRX NON-INVERT 6V 20DIP	0
	74LVTH16952MEAX Sanyo Semiconductor/ON Semiconductor	IC TXRX NON-INVERT 3.6V 56SSOP	0
	74LVQ244QSC Sanyo Semiconductor/ON Semiconductor	IC BUF NON-INVERT 3.6V 20QSOP	0
	MC74LCX07MEL Sanyo Semiconductor/ON Semiconductor	IC BUF NON-INVERT 5.5V SOEIAJ-14	0
	DM74AS244SJX Sanyo Semiconductor/ON Semiconductor	IC BUFFER NON-INVERT 5.5V 20SOP	0
	74HC540DTR2G Sanyo Semiconductor/ON Semiconductor	IC BUFFER INVERT 6V 20TSSOP	0
	DM74ALS125MX Sanyo Semiconductor/ON Semiconductor	IC BUF NON-INVERT 5.5V 14SOIC	0
	74ACTQ244PC Sanyo Semiconductor/ON Semiconductor	IC BUF NON-INVERT 5.5V 20DIP	0
	CD4503BCN Sanyo Semiconductor/ON Semiconductor	IC BUFFER NON-INVERT 15V 16DIP	0
	74AC540MTCX Sanyo Semiconductor/ON Semiconductor	IC BUFFER INVERT 6V 20TSSOP	0
	74ACT244SJX Sanyo Semiconductor/ON Semiconductor	IC BUFFER NON-INVERT 5.5V 20SOP	0

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