74LS92 – Divide-by-12 Counter [Original]

74LS92 Divide-by-12 Counter IC - High-Speed TTL Logic

The 74LS92 is a versatile high-speed 4-bit ripple type counter, essential for digital timing and frequency division. Specifically designed as a divide-by-12 counter, it offers robust performance for various electronic applications. This integrated circuit is cleverly partitioned into a divide-by-two section and a divide-by-six section. These sections can be used independently or cascaded to achieve precise modulo-12 counting. Counting is reliably triggered by a HIGH-to-LOW transition on the clock inputs. The IC includes a 2-input gated Master Reset (Clear) for easy control and system initialization. Uniquely, the LS92 also features a 2-input gated Master Set (Preset 9), providing enhanced functional flexibility. Engineered for low power consumption (45mW) and high count rates (up to 42 MHz), it's a robust choice. As a standard 74LS series component, it ensures compatibility with common TTL switching voltages. Ideal for hobbyists and professionals seeking reliable frequency division and sequential logic solutions.

Specifications:

• Part Number: 74LS92
• Function: Divide-by-12 Counter
• Logic Family: 74LS Series (Low-Power Schottky TTL)
• Count Rate (Max): 42 MHz
• Power Consumption (Typ): 45 mW
• Number of Bits: 4-bit ripple type
• Operating Temperature: Up to 70°C
• Reset/Set Features: Gated Master Reset (Clear), Gated Master Set (Preset 9)
• Counting Modes: BCD, Bi-Quinary, Modulo-12, Modulo-16 (cascadable)
• Trigger Type: HIGH-to-LOW transition on clock inputs

Key features and benefits:

• Low Power Consumption: 45 mW
• High Count Rates: 42 MHz
• Choice of Counting Modes: BCD, Bi-Quinary, Divide-by-Twelve, Binary
• Input Clamp Diodes for High-Speed Termination Effects
• Gated Master Reset (Clear)
• Gated Master Set (Preset 9)
• Standard TTL Switching Voltages
• Operating Temperature up to 70°C

Applications:

• Frequency Divider Circuits
• Digital Clocks and Timers
• Pulse Counting Systems
• Sequential Control Logic
• Test Equipment Design
• Educational Electronics Projects

Package Includes:

*Image shown is a representation only.

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