Overview
The SN74LS92NS is a monolithic counter integrated circuit produced by Texas Instruments. This component is part of the 74LS series, known for its low power Schottky (LS) logic family. The SN74LS92 specifically functions as a divide-by-twelve counter, making it useful in various digital counting applications.
The device contains four master-slave flip-flops and additional gating to provide a divide-by-two counter and a three-stage binary counter. It is designed to operate within a temperature range of 0 to 70°C, making it suitable for a wide range of environments.
Key Specifications
| Parameter | Value |
|---|---|
| Package Type | SOP (NS), PDIP (N) |
| Pins | 14 |
| Operating Temperature Range (°C) | 0 to 70 |
| Typical Power Dissipation | 45 mW ('LS series) |
| Package Quantity | Carrier 2000 (SOP NS), Carrier 25 (PDIP N) |
| RoHS Compliance | Yes |
Key Features
- Divide-by-twelve counter functionality.
- Contains four master-slave flip-flops and additional gating.
- Provides a divide-by-two counter and a three-stage binary counter.
- Gated zero reset and gated set-to-nine inputs for BCD nine's complement applications (for '90A and 'LS90 models).
- Low power Schottky (LS) logic family for reduced power consumption.
- Operates within a temperature range of 0 to 70°C.
Applications
- Digital counting systems.
- BCD (Binary Coded Decimal) counters and applications.
- Timing and sequencing circuits.
- Frequency dividers.
- General-purpose digital logic circuits.
Q & A
- What is the primary function of the SN74LS92NS?
The primary function of the SN74LS92NS is to act as a divide-by-twelve counter.
- What type of logic family does the SN74LS92NS belong to?
The SN74LS92NS belongs to the low power Schottky (LS) logic family.
- What is the operating temperature range of the SN74LS92NS?
The operating temperature range of the SN74LS92NS is 0 to 70°C.
- How many pins does the SN74LS92NS have?
The SN74LS92NS has 14 pins.
- What types of packages are available for the SN74LS92NS?
The SN74LS92NS is available in SOP (NS) and PDIP (N) packages.
- Does the SN74LS92NS have a gated zero reset?
Yes, the SN74LS92NS has a gated zero reset.
- What is the typical power dissipation of the SN74LS92NS?
The typical power dissipation of the SN74LS92NS is 45 mW.
- Is the SN74LS92NS RoHS compliant?
Yes, the SN74LS92NS is RoHS compliant.
- What are some common applications of the SN74LS92NS?
Common applications include digital counting systems, BCD counters, timing and sequencing circuits, frequency dividers, and general-purpose digital logic circuits.
- How do I configure the SN74LS92NS for its maximum count length?
To use the maximum count length, connect the CKB input to the Q A output and apply the input count pulses to the CKA input.
