Logic - Buffers, Drivers, Receivers, Transceivers

Part Number	Description / PDF	Quantity
74LVC244AQ20-13 Zetex Semiconductors (Diodes Inc.)	IC BUFFER NON-INVERT 3.6V 20DFN	1130
74AUP2G17FW3-7 Zetex Semiconductors (Diodes Inc.)	IC BUFFER NON-INVERT 3.6V 6DFN	4984
74AUP2G17DW-7 Zetex Semiconductors (Diodes Inc.)	IC BUF NON-INVERT 3.6V SOT363	59
74LVC1G07FX4-7 Zetex Semiconductors (Diodes Inc.)	IC BUFFER NON-INVERT 5.5V 6DFN	5000
74LVC240AQ20-13 Zetex Semiconductors (Diodes Inc.)	IC BUF INVERT 3.6V V-QFN4525-20	35912500
74LVC1G125SE-7 Zetex Semiconductors (Diodes Inc.)	IC BUF NON-INVERT 5.5V SOT353	13289
74HC126S14-13 Zetex Semiconductors (Diodes Inc.)	IC BUFFER NON-INVERT 6V 14SO	1704
74AUP1G125FS3-7 Zetex Semiconductors (Diodes Inc.)	IC BUFFER NON-INVERT 3.6V 4DFN	2147483647
74LVC1G17QSE-7 Zetex Semiconductors (Diodes Inc.)	IC BUFFER NON-INVERT 5.5V SOT353	164215000
74LVC1G17W5-7 Zetex Semiconductors (Diodes Inc.)	IC BUFFER NON-INVERT 5.5V SOT25	17796
74LVCE1G126FZ4-7 Zetex Semiconductors (Diodes Inc.)	IC BUFFER NON-INVERT 5.5V 6DFN	4661
74LVC2G07FZ4-7 Zetex Semiconductors (Diodes Inc.)	IC BUFFER NON-INVERT 5.5V 6DFN	0
74AUP1G34FZ4-7 Zetex Semiconductors (Diodes Inc.)	IC BUFFER NON-INVERT 3.6V 6DFN	60000
74LVC541AQ20-13 Zetex Semiconductors (Diodes Inc.)	IC BUFFER NON-INVERT 3.6V 20DFN	22500
74AHCT1G126W5-7 Zetex Semiconductors (Diodes Inc.)	IC BUFFER NON-INVERT 5.5V SOT25	9
74AUP1G17SE-7 Zetex Semiconductors (Diodes Inc.)	IC BUF NON-INVERT 3.6V SOT353	7082
74AUP1G07FZ4-7 Zetex Semiconductors (Diodes Inc.)	IC BUFFER NON-INVERT 3.6V 6DFN	884870000
74AUP1G126SE-7 Zetex Semiconductors (Diodes Inc.)	IC BUF NON-INVERT 3.6V SOT353	29896000
74AUP1G125SE-7 Zetex Semiconductors (Diodes Inc.)	IC BUF NON-INVERT 3.6V SOT353	4318
74LVC1G34QSE-7 Zetex Semiconductors (Diodes Inc.)	IC BUFFER NON-INVERT 5.5V SOT353	210212000

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