Logic - Buffers, Drivers, Receivers, Transceivers

Part Number	Description / PDF	Quantity
74ALVCH16245DGG:11 NXP Semiconductors	IC TXRX NON-INVERT 3.6V 48TSSOP	2437
74LVTH244BPW,118 NXP Semiconductors	IC BUF NON-INVERT 3.6V 20TSSOP	4380
74LV541PW,112 NXP Semiconductors	IC BUF NON-INVERT 3.6V 20TSSOP	9914
74LVC2G17GW132 NXP Semiconductors	BUFFER, LVC/LCX/Z SERIES	0
74LVC573APW-Q100118 NXP Semiconductors	BUS DRIVER, LVC/LCX/Z SERIES	4441
74AXP2G34GMH NXP Semiconductors	IC BUFFER NON-INVERT 2.75V 6XSON	4784
74AVCM162834DGG11 NXP Semiconductors	BUS DRIVER, AVC SERIES	380
74AUP1G240GX,125 NXP Semiconductors	IC BUFFER INVERT 3.6V 5X2SON	2200000
74LVC3G07GN,115 NXP Semiconductors	IC BUFFER NON-INVERT 5.5V 8XSON	101893
74LVC1G125GM/S500115 NXP Semiconductors	BUS DRIVER, LVC/LCX/Z SERIES	27135000
74HCT125DB118 NXP Semiconductors	IC BUFFER NON-INVERT 5.5V 14SSOP	1861
74AHCT245D-Q100118 NXP Semiconductors	BUS TRANSCVR	2387
74AUP1G34GN,132 NXP Semiconductors	IC BUFFER NON-INVERT 3.6V 6XSON	5000
N74F244N,602 NXP Semiconductors	IC BUFFER NON-INVERT 5.5V 20DIP	7117
74ALVC164245DL/C4118 NXP Semiconductors	BUS TRANSCVR	3000
74HC541D-Q100118 NXP Semiconductors	IC BUFFER NON-INVERT 6V 20SO	1900
74LVC1G66GW/C1125 NXP Semiconductors	BUS DRIVER, LVC/LCX/Z SERIES	414000
74LVT646DB,112 NXP Semiconductors	IC TXRX NON-INVERT 3.6V 24SSOP	0
74AVC2T45DC-Q100125 NXP Semiconductors	BUS TRANSCEIVER, AVC SERIES	51900
74ALVC16245DGG/C1118 NXP Semiconductors	BUS TRANSCVR	2000

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