74LS184 DIP BCD-to-Binary Converter
The 74LS184 is a high speed TTL integrated circuit specifically designed to perform BCD-to-Binary code conversion. It is a masked-program Read-Only Memory (ROM) configured to provide the necessary logic for translating Binary Coded Decimal (BCD) signals into their pure binary equivalents. This device is an essential tool for digital systems that interface with human-readable inputs, such as thumbwheel switches or numeric keypads, which then need to be processed by binary-based arithmetic units.
The IC can be used to convert two-decade BCD numbers (0-79) into 6-bit binary code in a single stage. For larger numbers, multiple 74LS184 units can be cascaded in a modular array to convert any number of BCD decades into a full binary word. Its specialized internal architecture provides a much faster and more compact solution than using a combination of standard logic gates or multiplexers for the same conversion task.
KEY FEATURES
- Specialized BCD-to-Binary code conversion
- Modular design allows for easy cascading for multi-decade numbers
- High speed conversion for real-time data processing
- Low power Schottky technology for optimal efficiency
- Buffered inputs to ensure signal integrity and minimize bus loading
- Standard 16 pin dual in line package
SPECIFICATIONS
- Supply Voltage 4.75V to 5.25V
- Operating Temperature 0 to 70 Celsius
- Logic Type TTL Low Power Schottky
- Typical Propagation Delay 25ns
- High Level Output Current -0.4mA
- Low Level Output Current 8mA
- Input Voltage High 2.0V Minimum
INTERFACES
- A B C D E BCD data inputs
- G BAR Output enable input active low
- Y1 to Y5 Binary data outputs
- Y6 to Y8 Specialized conversion outputs
- VCC Positive supply voltage
- GND Ground reference
