Logic - Buffers, Drivers, Receivers, Transceivers

Part Number	Description / PDF	Quantity
74ALVC164245DGG653 NXP Semiconductors	BUS TRANSCVR	0
74LVC32245AEC,557 NXP Semiconductors	IC TXRX NON-INVERT 3.6V 96LFBGA	0
74ALVC164245DGG/C118 NXP Semiconductors	BUS TRANSCVR	16000
74AVC16836ADGG,118 NXP Semiconductors	IC BUF NON-INVERT 3.6V 56TSSOP	2000
74HC7541D/S400118 NXP Semiconductors	IC BUFFER NON-INVERT 6V 20SO	3880
74HCT640DB,118 NXP Semiconductors	IC TXRX INVERT 5.5V 20SSOP	1350
74LVCH162373ADL118 NXP Semiconductors	BUS DRIVER, LVC/LCX/Z SERIES	9000
74ALVCH16843DGG518 NXP Semiconductors	BUS DRIVER, ALVC/VCX/A SERIES	0
74HC4049DB,112 NXP Semiconductors	IC BUFFER INVERT 6V 16SSOP	0
74LVCH32244AEC,557 NXP Semiconductors	IC BUF NON-INVERT 3.6V 96LFBGA	7125
N74F827D,602 NXP Semiconductors	IC BUFFER NON-INVERT 5.5V 24SO	2870
74LVCH162245ADL118 NXP Semiconductors	BUS TRANSCVR, LVC/LCX/Z SERIES	0
74LVC1G07GX,125 NXP Semiconductors	IC BUFFER NON-INVERT 5.5V 5X2SON	154140
74LVTH322245EC,551 NXP Semiconductors	IC TXRX NON-INVERT 3.6V 96LFBGA	570
74LVCH16244ADGG118 NXP Semiconductors	BUS DRIVER, LVC/LCX/Z SERIES	5499
74ALVCH16821DGG112 NXP Semiconductors	BUS DRIVER, ALVC/VCX/A SERIES	2305
74HCT640DB,112 NXP Semiconductors	IC TXRX INVERT 5.5V 20SSOP	402
N74F245D,623 NXP Semiconductors	IC TXRX NON-INVERT 5.5V 20SO	0
74HC245PW/AU118 NXP Semiconductors	IC TXRX NON-INVERT 6V 20TSSOP	2600
74ABT2244DB,112 NXP Semiconductors	IC BUFFER NON-INVERT 5.5V 20SSOP	1518

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