Logic - Buffers, Drivers, Receivers, Transceivers

Part Number	Description / PDF	Quantity
74AXP2G07GM125 NXP Semiconductors	74AXP2G07GM - BUFFER, AXP SERIES	3721
74AHC125U/S430025 NXP Semiconductors	BUS DRIVER, AHC/VHC/H/U/V SERIES	60283
74LVC623AD,118 NXP Semiconductors	IC TXRX NON-INVERT 3.6V 20SO	4000
74HC367N,652 NXP Semiconductors	IC BUFFER NON-INVERT 6V 16DIP	7730
74LVC162373ADGG112 NXP Semiconductors	BUS DRIVER, LVC/LCX/Z SERIES	1393
74LV125N,112 NXP Semiconductors	IC BUFFER NON-INVERT 5.5V 14DIP	1800
N74F126D,623 NXP Semiconductors	IC BUFFER NON-INVERT 5.5V 14SO	27498
74AHC2G241DP-Q100125 NXP Semiconductors	BUS DRIVER, AHC/VHC/H/U/V SERIES	48000
74HC652D,112 NXP Semiconductors	IC TXRX NON-INVERT 6V 24SO	1200
XC7SET125GM,115 NXP Semiconductors	IC BUFFER NON-INVERT 5.5V 6XSON	165000
74LVC1G126GW-Q100125 NXP Semiconductors	BUS DRIVER, LVC/LCX/Z SERIES	135840
74ALVC245D,112 NXP Semiconductors	BUS TRANSCEIVER, ALVC/VCX/A SERI	2928
74AUP2G17GF,132 NXP Semiconductors	IC BUFFER NON-INVERT 3.6V 6XSON	299183
74ALVC162836ADGG112 NXP Semiconductors	BUS DRIVER, ALVC/VCX/A SERIES	1750
74ABT2244D,118 NXP Semiconductors	IC BUFFER NON-INVERT 5.5V 20SO	7892
74AHC1G126GW/AU125 NXP Semiconductors	BUS DRIVER, AHC/VHC/H/U/V SERIES	6000
74LVC2245ABQ,115 NXP Semiconductors	IC TXRX NON-INVERT 3.6V 20DHVQFN	23860
74ALVT162240DGG512 NXP Semiconductors	BUS DRIVER, ALVT SERIES, 4-BIT	975
74LVCH16244AEV/G551 NXP Semiconductors	BUS DRIVER, LVC/LCX/Z SERIES	35672
HEF40240BP,652 NXP Semiconductors	IC BUFFER INVERT 15V 20DIP	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