Device Overview:

️· Function: The M54HC139 is a high-speed CMOS quad triple-state buffer gate. It's designed for buffering and switching applications.
️· Technology: Built using advanced HCMOS technology, offering a good balance of speed and power consumption.
️· Package Options: Available in DIP-16, FPC-16, and SO-16 packages.

Key Features:

️· Quad Buffer: Contains four independent 3-state buffers.
️· Triple-State Outputs: Outputs can be enabled or disabled, allowing for bus organization.
️· HCMOS Technology: Provides high speed and low power dissipation.
️· 5V Operation: Designed for 5V VCC supply.
️· Wide Operating Temperature: Can operate in a wide range of temperatures.

Electrical Characteristics (Highlights):

️· VCC Range: 2V to 6V
️· Input High Voltage (VIH): 2V
️· Output High Voltage (VOH): Close to VCC
️· Propagation Delay (tPLH, tPHL): Typically a few nanoseconds (varies with load and VCC)
️· Output Drive Capability: Can drive a standard CMOS load.

Applications:

️· Buffering
️· Switching
️· Bus Organization
️· Address Buffering
️· Data Buffering

Absolute Maximum Ratings:

️· VCC: -0.5V to 7V
️· Input/Output Voltage: -0.5V to VCC + 0.5V
️· Operating Temperature: -40°C to +85°C (or up to +125°C depending on grade)

Important Notes:

️· The datasheet includes detailed electrical characteristics tables, timing diagrams, and test circuit information.
️· It also includes mechanical dimensions for the various package options.



In essence, the M54HC139 is a versatile, high-performance buffer gate suitable for a wide range of digital logic applications.