The 74LS90 HLF is a monolithic counter containing four master-slave flip-flops and additional gating to provide a divide-by-two counter and a three-stage binary counter. This versatile IC is commonly used in digital systems for counting applications, including divide-by-two and divide-by-five operations.

Key Features:

• Divide-by-Two and Divide-by-Five Counters: Facilitates efficient counting in digital circuits.
• High Count Rates: Operates at frequencies up to 42 MHz, ensuring rapid data processing.
• Low Power Consumption: Typical power dissipation of 45 mW.
• Standard TTL Compatibility: Ensures seamless integration with other TTL components.
• Asynchronous Clear and Set Inputs: Provides flexibility in initializing the counter states.

Package Includes:

• 1 x 74LS90 HLF Decade and Binary Counter

Specifications:

• Supply Voltage (VCC): 4.75V to 5.25V
• Input Voltage: 0V to 7V
• Output Current: High-level: -0.4 mA; Low-level: 8 mA
• Operating Temperature Range: 0C to +70C
• Package Type: 14-pin PDIP

Applications:

• Digital Clocks
• Frequency Dividers
• Event Counters
• Time Delay Circuits
• Sequential Logic Circuits

Datasheet:

Click here to view the datasheet