Logic - Buffers, Drivers, Receivers, Transceivers

Part Number	Description / PDF	Quantity
MC74HCT245ADWR2G Sanyo Semiconductor/ON Semiconductor	IC TXRX NON-INVERT 5.5V 20SOIC	5180
NC7WZ07L6X Sanyo Semiconductor/ON Semiconductor	IC BUFFER NON-INVERT 5.5V 6SIP	13146
MC74LVX125DR2G Sanyo Semiconductor/ON Semiconductor	IC BUF NON-INVERT 3.6V 14SOIC	379
74LVX245M Sanyo Semiconductor/ON Semiconductor	IC TXRX NON-INVERT 3.6V 20SOIC	7418360
MM74HCT240MTCX Sanyo Semiconductor/ON Semiconductor	IC BUFFER INVERT 5.5V 20TSSOP	242535000
74LVX541MTC Sanyo Semiconductor/ON Semiconductor	IC BUF NON-INVERT 3.6V 20TSSOP	5567300
MM74HC244MTC Sanyo Semiconductor/ON Semiconductor	IC BUFFER NON-INVERT 6V 20TSSOP	480
MC74HC244ADWR2G Sanyo Semiconductor/ON Semiconductor	IC BUFFER NON-INVERT 6V 20SOIC	648
NC7WV16L6X Sanyo Semiconductor/ON Semiconductor	IC BUF NON-INVERT 3.6V 6MICROPAK	72105000
74ACT541MTC Sanyo Semiconductor/ON Semiconductor	IC BUF NON-INVERT 5.5V 20TSSOP	15794950
MC74HC244ADWG Sanyo Semiconductor/ON Semiconductor	IC BUFFER NON-INVERT 6V 20SOIC	5
74ACT541SC Sanyo Semiconductor/ON Semiconductor	IC BUF NON-INVERT 5.5V 20SOIC	0
74VHC245MX Sanyo Semiconductor/ON Semiconductor	IC TXRX NON-INVERT 5.5V 20SOIC	35422000
MC74VHCT125ADTRG Sanyo Semiconductor/ON Semiconductor	IC BUF NON-INVERT 5.5V 14TSSOP	0
MC74HC240ADWG Sanyo Semiconductor/ON Semiconductor	IC BUFFER INVERT 6V 20SOIC	125421470
NLV18SZ07DFT2G Sanyo Semiconductor/ON Semiconductor	IC BUFFER NON-INVERT 5.5V SC88A	0
NL27WZ16DTT1G Sanyo Semiconductor/ON Semiconductor	IC BUFFER NON-INVERT 5.5V 6TSOP	1816
NC7NZ17K8X Sanyo Semiconductor/ON Semiconductor	IC BUFFER NON-INVERT 5.5V US8	34142
MC74HC245ADTR2G Sanyo Semiconductor/ON Semiconductor	IC TXRX NON-INVERT 6V 20TSSOP	1424
MM74HCT541WMX Sanyo Semiconductor/ON Semiconductor	IC BUF NON-INVERT 5.5V 20SOIC	620

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