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Product attributes Property Value
Manufacturer National Semiconductor
Product Series 74BCT
Packaging Bulk |
Part Status Active
Logic Type Transceiver, Non-Inverting
Number of Elements 1
Number of Bits per Element 8
Input Type -
Output Type 3-State
Current - Output High, Low 15mA, 64mA
Voltage - Supply 4.5V ~ 5.5V
Operating Temperature 0°C ~ 70°C
Grade -
Qualification -
Mounting Type Through Hole
Package / Case 20-DIP (0.300", 7.62mm)
Supplier Device Package 20-PDIP

The 74BCT245PC from National Semiconductor is a non-inverting octal bus transceiver in a through-hole DIP package. It operates at 5V and features 3-state outputs with 64mA sink capability. This IC is ideal for legacy system interfacing, prototyping, and educational use. Its robust BiCMOS design ensures high-speed operation with low power consumption. The DIP package is easy to handle and solder, making it a practical choice for many applications.

  • DIP Package: Ideal for prototyping and through-hole PCBs, simplifying assembly and rework.
  • Bidirectional Operation: Transmits data in both directions, reducing component count in bus designs.
  • High Sink Current: 64mA drives heavy loads, suitable for long bus lines.
  • BiCMOS Technology: Combines CMOS low power with bipolar speed, offering balanced performance.

Through-Hole Prototyping

The 74BCT245PC in DIP package is perfect for breadboarding and prototyping microprocessor systems, allowing easy insertion and removal.

Legacy System Interfacing

Use it to interface legacy 5V peripherals with newer controllers, providing bidirectional buffering without level shifters.

Educational Labs

In university labs, this transceiver teaches bus architecture concepts, with its DIP package being student-friendly for wiring.

Industrial Control Panels

For older PLCs, it buffers and transceives signals between CPU and I/O modules, extending the life of existing equipment.

Audio Mixing Consoles

In professional audio gear, it buffers control data between DSP chips and front-panel microcontrollers, ensuring clean signal routing.

Test Fixtures

In benchtop test fixtures, it provides a reliable interface for DUTs, with 3-state outputs allowing multiple test points to share a bus.

Q: What is the logic family of the 74BCT245PC?
A: It is part of the 74BCT family, a BiCMOS logic series.
Q: What is the function of this IC?
A: It is a non-inverting octal bus transceiver.
Q: How many channels does it have?
A: It has 1 channel (8-bit).
Q: What is the output type?
A: 3-State outputs for bidirectional bus control.
Q: What is the voltage range?
A: It operates from 4.5V to 5.5V.
Q: What package is available?
A: It comes in a 20-DIP package (0.300", 7.62mm).
Base Product Number : 74BCT245
20-DIP 3-State 4.5V-5.5V 74BCT Logic IC National Semiconductor Non-Inverting Transceiver
Q: What is the logic family of the 74BCT245PC?
A: It is part of the 74BCT family, a BiCMOS logic series.
Q: What is the function of this IC?
A: It is a non-inverting octal bus transceiver.
Q: How many channels does it have?
A: It has 1 channel (8-bit).
Q: What is the output type?
A: 3-State outputs for bidirectional bus control.
Q: What is the voltage range?
A: It operates from 4.5V to 5.5V.
Q: What package is available?
A: It comes in a 20-DIP package (0.300", 7.62mm).