Overview
The SN74LS92N is a monolithic integrated circuit produced by Texas Instruments, designed as a divide-by-twelve counter. This component is part of the LS (Low Power Schottky) family, known for its low power consumption and high speed. The SN74LS92N contains four master-slave flip-flops and additional gating, enabling it to function as a divide-by-two counter and a three-stage binary counter. It is particularly useful in applications requiring a count cycle length of divide-by-twelve.
Key Specifications
| Specification | Value |
|---|---|
| Package Type | PDIP (N) |
| No. of Pins | 14 |
| Operating Temperature Range (°C) | 0 to 70 |
| Minimum Supply Voltage (V) | 4.75 V |
| Maximum Supply Voltage (V) | 5.25 V |
| Nominal Supply Voltage (V) | 5 V |
| Maximum Power Supply Current (ICC) | 15 mA |
| Propagation Delay at Nominal Supply | 50 ns |
| Maximum Frequency at Nominal Supply | 16 MHz |
| Technology | TTL (Transistor-Transistor Logic) |
| Count Direction | Up |
| Trigger Type | Negative Edge |
| Load Capacitance (CL) | 15 pF |
| Package Body Material | Plastic/Epoxy |
| Terminal Finish | Nickel/Palladium/Gold (Ni/Pd/Au) |
Key Features
- Divide-by-Twelve Counter: The SN74LS92N is specifically designed to operate as a divide-by-twelve counter, making it suitable for applications requiring this count cycle length.
- Master-Slave Flip-Flops: Contains four master-slave flip-flops and additional gating to provide the necessary counting functionality.
- Gated Zero Reset: Features a gated zero reset, allowing for easy initialization of the counter.
- Low Power Consumption: Part of the LS family, which is known for low power consumption and high speed.
- Through-Hole Package: Available in a 14-pin PDIP (Plastic Dual In-Line Package) with through-hole terminals.
- Wide Operating Temperature Range: Operates within a temperature range of 0°C to 70°C.
Applications
The SN74LS92N is versatile and can be used in various digital circuit applications, including:
- Digital Counters: Ideal for building digital counters that require a divide-by-twelve functionality.
- Timing and Frequency Division: Can be used in timing circuits and frequency division applications.
- BCD Nine's Complement Applications: Although primarily a divide-by-twelve counter, it can be configured for other counting cycles, making it useful in BCD (Binary Coded Decimal) nine's complement applications.
- General Digital Logic Circuits: Suitable for use in any digital logic circuit requiring a reliable and low-power counter.
Q & A
- What is the primary function of the SN74LS92N?
The primary function of the SN74LS92N is to operate as a divide-by-twelve counter.
- What type of package does the SN74LS92N come in?
The SN74LS92N comes in a 14-pin PDIP (Plastic Dual In-Line Package) with through-hole terminals.
- What is the operating temperature range of the SN74LS92N?
The operating temperature range of the SN74LS92N is from 0°C to 70°C.
- What is the nominal supply voltage for the SN74LS92N?
The nominal supply voltage for the SN74LS92N is 5 V.
- What is the maximum power supply current for the SN74LS92N?
The maximum power supply current for the SN74LS92N is 15 mA.
- What is the propagation delay at nominal supply for the SN74LS92N?
The propagation delay at nominal supply for the SN74LS92N is 50 ns.
- What is the maximum frequency at nominal supply for the SN74LS92N?
The maximum frequency at nominal supply for the SN74LS92N is 16 MHz.
- What technology is used in the SN74LS92N?
The SN74LS92N uses TTL (Transistor-Transistor Logic) technology.
- Does the SN74LS92N have a gated zero reset?
Yes, the SN74LS92N features a gated zero reset.
- What is the load capacitance (CL) for the SN74LS92N?
The load capacitance (CL) for the SN74LS92N is 15 pF.
