Logic - Buffers, Drivers, Receivers, Transceivers

Part Number	Description / PDF	Quantity
MC74VHC245DWG Sanyo Semiconductor/ON Semiconductor	IC TXRX NON-INVERT 5.5V 20SOIC	192
NL37WZ17USG Sanyo Semiconductor/ON Semiconductor	IC BUFFER NON-INVERT 5.5V US8	5203
MM74HCT245WM Sanyo Semiconductor/ON Semiconductor	IC TXRX NON-INVERT 5.5V 20SOIC	2
MC74ACT640DWG Sanyo Semiconductor/ON Semiconductor	IC TXRX INVERT 5.5V 20SOIC	7415504
74LCX760MTCX Sanyo Semiconductor/ON Semiconductor	IC BUF NON-INVERT 3.6V 20TSSOP	0
M74VHC1GT50DTT1G Sanyo Semiconductor/ON Semiconductor	IC BUFFER NON-INVERT 5.5V 5TSOP	2147483647
MC74VHC240DTR2G Sanyo Semiconductor/ON Semiconductor	IC BUFFER INVERT 5.5V 20TSSOP	1500
MC74LVX50DR2G Sanyo Semiconductor/ON Semiconductor	IC BUF NON-INVERT 3.6V 14SOIC	220
74ALVC16245MTDX Sanyo Semiconductor/ON Semiconductor	IC TXRX NON-INVERT 3.6V 48TSSOP	19353000
MC74VHC245DWR2G Sanyo Semiconductor/ON Semiconductor	IC TXRX NON-INVERT 5.5V 20SOIC	1067
MM74HCT240WM Sanyo Semiconductor/ON Semiconductor	IC BUFFER INVERT 5.5V 20SOIC	140929160
MC74ACT241DTR2G Sanyo Semiconductor/ON Semiconductor	IC BUF NON-INVERT 5.5V 20TSSOP	6180
NLVVHC1G126DFT1G Sanyo Semiconductor/ON Semiconductor	IC BUFFER NON-INVERT 5.5V SC88A	1386966000
MM74HCT540MTC Sanyo Semiconductor/ON Semiconductor	IC BUFFER INVERT 5.5V 20TSSOP	12410950
NL27WZ125USG Sanyo Semiconductor/ON Semiconductor	IC BUFFER NON-INVERT 5.5V US8	6162
74ACT245MTC Sanyo Semiconductor/ON Semiconductor	IC TXRX NON-INVERT 4.5V 20TSSOP	849
MC74AC244DTR2G Sanyo Semiconductor/ON Semiconductor	IC BUFFER NON-INVERT 6V 20TSSOP	2461
MM74HCT245MTC Sanyo Semiconductor/ON Semiconductor	IC TXRX NON-INVERT 5.5V 20TSSOP	1242
NC7SV17P5X Sanyo Semiconductor/ON Semiconductor	IC BUF NON-INVERT 3.6V SC70-5	1565
NC7SV126P5X Sanyo Semiconductor/ON Semiconductor	IC BUF NON-INVERT 3.6V SC70-5	6435

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