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Product attributes Property Value
Manufacturer Fairchild Semiconductor
Product Series 74HCT
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 7.2mA, 7.2mA
Voltage - Supply 4.5V ~ 5.5V
Operating Temperature -40°C ~ 85°C (TA)
Grade -
Qualification -
Mounting Type Surface Mount
Package / Case 20-SOIC (0.295", 7.50mm Width)
Supplier Device Package 20-SOIC
ROHS RoHS Compliant - Hazardous Substance Free Electronic Components | HQICKEY

The MM74HCT245WM is a single-channel non-inverting transceiver from Fairchild Semiconductor, part of the 74HCT logic family. It operates from 4.5V to 5.5V and features 3-State outputs for bidirectional bus communication. Each channel can source or sink 7.2mA, making it suitable for driving standard logic loads. The 20-SOIC package is widely used and easy to solder. Typical applications include bus interfacing, data acquisition, and microprocessor peripheral communication in industrial and consumer electronics.

  • Bidirectional Transceiver: Allows data flow in both directions, simplifying bus design.
  • 5V Operation: Compatible with standard 5V logic systems.
  • 3-State Outputs: Enables bus sharing without contention, improving reliability.
  • 7.2mA Drive Capability: Suitable for driving multiple loads or long traces.
  • Industrial Temperature Range: -40°C to 85°C for harsh environments.

Bidirectional Bus Communication

The MM74HCT245WM is a transceiver, allowing data to flow in both directions on a bus. The direction control pin simplifies data transfer between two systems, such as a microcontroller and memory.

5V Logic Level Shifting

Operating from 4.5V to 5.5V, this transceiver is ideal for 5V systems. It can buffer and drive signals to other 5V logic families, ensuring compatibility in legacy designs.

Microprocessor to Peripheral Interface

Use this transceiver to interface a microprocessor with peripherals like LCDs or keypads. The 3-State outputs allow the bus to be released when not in use, preventing conflicts.

Data Acquisition Systems

In data acquisition systems, this transceiver can buffer analog-to-digital converter outputs. The 7.2mA drive capability ensures reliable data transfer to the processing unit.

Industrial Control Bus Buffering

Rated for -40°C to 85°C, this transceiver is suitable for industrial control systems. It can buffer communication lines between PLCs and sensors, ensuring robust operation.

Memory Read/Write Buffering

Use this transceiver to buffer data lines between a CPU and SRAM. The bidirectional capability allows for both read and write operations, simplifying the interface.

Q: What is the logic family of the MM74HCT245WM?
A: It belongs to the 74HCT family, operating from 4.5V to 5.5V.
Q: What is the function of this IC?
A: It is a single-channel non-inverting transceiver.
Q: What is the output type?
A: It features 3-State outputs for bidirectional bus communication.
Q: What is the output current capability?
A: It can source or sink 7.2mA per channel.
Q: What is the operating temperature range?
A: It is rated for -40°C to 85°C.
Q: What package is available?
A: It comes in a 20-SOIC (7.50mm width) package.
Base Product Number : MM74HCT245
20-SOIC 3-State 4.5V-5.5V 74HCT Bus Interface Data Acquisition Industrial Logic IC Microprocessor Non-Inverting Transceiver
Q: What is the logic family of the MM74HCT245WM?
A: It belongs to the 74HCT family, operating from 4.5V to 5.5V.
Q: What is the function of this IC?
A: It is a single-channel non-inverting transceiver.
Q: What is the output type?
A: It features 3-State outputs for bidirectional bus communication.
Q: What is the output current capability?
A: It can source or sink 7.2mA per channel.
Q: What is the operating temperature range?
A: It is rated for -40°C to 85°C.
Q: What package is available?
A: It comes in a 20-SOIC (7.50mm width) package.