Logic - Buffers, Drivers, Receivers, Transceivers

Part Number	Description / PDF	Quantity
74HC240D Toshiba Electronic Devices and Storage Corporation	IC BUFFER INVERT 6V 20SOIC	3146
TC7SZ34F,LJ(CT Toshiba Electronic Devices and Storage Corporation	IC BUFFER NON-INVERT 5.5V SMV	2863
74VHCT244AFT Toshiba Electronic Devices and Storage Corporation	IC BUF NON-INVERT 5.5V 20TSSOP	2525
TC74VCX541FTEL Toshiba Electronic Devices and Storage Corporation	IC BUF NON-INVERT 3.6V 20TSSOP	0
TC7WT240FUTE12LF Toshiba Electronic Devices and Storage Corporation	IC BUFFER INVERT 5.5V SM8	3072
TC74ACT244FTEL Toshiba Electronic Devices and Storage Corporation	IC BUF NON-INVERT 5.5V 20TSSOP	0
TC74HC541AF(EL,F) Toshiba Electronic Devices and Storage Corporation	IC BUFFER NON-INVERT 6V 20SOP	0
TC74LCX16245ELF Toshiba Electronic Devices and Storage Corporation	IC TXRX NON-INVERT 3.6V 48TSSOP	32
7UL1G34FS,LF Toshiba Electronic Devices and Storage Corporation	IC BUFFER NON-INVERT 3.6V FSV	19986
74VHC9152FT Toshiba Electronic Devices and Storage Corporation	IC BUFFER INVERT 5.5V 20TSSOPB	3103
TC74VCX245FTEL Toshiba Electronic Devices and Storage Corporation	IC TXRX NON-INVERT 3.6V 20TSSOP	4000
TC7PZ07FU,LJ(CT Toshiba Electronic Devices and Storage Corporation	IC BUFFER NON-INVERT 5.5V US6	83
7UL1G126FS,LF Toshiba Electronic Devices and Storage Corporation	IC BUFFER NON-INVERT 3.6V FSV	29980
74HCT540D Toshiba Electronic Devices and Storage Corporation	IC BUFFER INVERT 5.5V 20SOIC	3148
TC74ACT244PF Toshiba Electronic Devices and Storage Corporation	IC BUFFER NON-INVERT 5.5V 20DIP	3653
TC74ACT541PF Toshiba Electronic Devices and Storage Corporation	IC BUFFER NON-INVERT 5.5V 20DIP	1144
74VHC244FT Toshiba Electronic Devices and Storage Corporation	IC BUF NON-INVERT 5.5V 20TSSOP	6691
74VHC9125FT Toshiba Electronic Devices and Storage Corporation	IC BUF NON-INVERT 5.5V 14TSSOPB	4477
TC7SZ17FU,LJ(CT Toshiba Electronic Devices and Storage Corporation	IC BUFFER NON-INVERT 5.5V USV	2045
TC7W240FU(TE12L,F) Toshiba Electronic Devices and Storage Corporation	IC BUFFER INVERT 6V SM8	1408

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