Logic - Buffers, Drivers, Receivers, Transceivers

Part Number	Description / PDF	Quantity
MM74HCT540MTCX Sanyo Semiconductor/ON Semiconductor	IC BUFFER INVERT 5.5V 20TSSOP	572910000
MC74AC244DWG Sanyo Semiconductor/ON Semiconductor	IC BUFFER NON-INVERT 6V 20SOIC	6310032
74LVX4245QSCX Sanyo Semiconductor/ON Semiconductor	IC TXRX NON-INVERT 5.5V 24QSOP	0
74AC245SC Sanyo Semiconductor/ON Semiconductor	IC TXRX NON-INVERT 6V 20SOIC	735
NC7SV125P5X Sanyo Semiconductor/ON Semiconductor	IC BUF NON-INVERT 3.6V SC70-5	0
74LCX16646MTDX Sanyo Semiconductor/ON Semiconductor	IC TXRX NON-INVERT 3.6V 56TSSOP	38
MC74VHC1G50DFT1G Sanyo Semiconductor/ON Semiconductor	IC BUFFER NON-INVERT 5.5V SC88A	874172000
NL27WZ17MU1TCG Sanyo Semiconductor/ON Semiconductor	IC BUFFER NON-INVERT 5.5V 6UDFN	0
NL17SZ126P5T5G Sanyo Semiconductor/ON Semiconductor	IC BUF NON-INVERT 5.5V SOT953	623324000
MC74HC240ADWR2G Sanyo Semiconductor/ON Semiconductor	IC BUFFER INVERT 6V 20SOIC	342
74LVT244WM Sanyo Semiconductor/ON Semiconductor	IC BUF NON-INVERT 3.6V 20SOIC	1046
NC7WZ07FHX Sanyo Semiconductor/ON Semiconductor	IC BUF NON-INVERT 5.5V 6MICROPK2	2147483647
74LCX540MTCX Sanyo Semiconductor/ON Semiconductor	IC BUFFER INVERT 3.6V 20TSSOP	2156
74LVTH125M Sanyo Semiconductor/ON Semiconductor	IC BUF NON-INVERT 3.6V 14SOIC	10433000
NC7SZ126M5X Sanyo Semiconductor/ON Semiconductor	IC BUF NON-INVERT 5.5V SOT23-5	2147483647
NC7WZ125L8X Sanyo Semiconductor/ON Semiconductor	IC BUF NON-INVERT 5.5V 8MICROPAK	71020000
NC7WZ125K8X Sanyo Semiconductor/ON Semiconductor	IC BUFFER NON-INVERT 5.5V US8	18
NL27WZ16DFT2G Sanyo Semiconductor/ON Semiconductor	IC BUFFER NON-INVERT 5.5V SC88	2381
MC74VHC244DWR2G Sanyo Semiconductor/ON Semiconductor	IC BUF NON-INVERT 5.5V 20SOIC	482
NC7WV17P6X Sanyo Semiconductor/ON Semiconductor	IC BUFFER NON-INVERT 3.6V SC88	804

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