Overview
The 74LVC161D,112 is a synchronous presettable 4-bit binary counter produced by Nexperia USA Inc. This integrated circuit is designed for high-speed digital logic applications, featuring synchronous operation and an internal look-ahead carry. The counter is part of the 74LVC family, known for its low voltage and high-speed capabilities.
The device includes features such as asynchronous reset, positive-edge triggered counting, and the ability to preset the counter outputs. It operates within a wide voltage range of 1.2V to 3.6V and has an extended operating temperature range of -40°C to 125°C, making it versatile for various industrial and consumer applications.
Key Specifications
| Parameter | Value |
|---|---|
| Type Number | 74LVC161D,112 |
| VCC (V) | 1.2 - 3.6 |
| Output Drive Capability (mA) | ± 24 |
| Logic Switching Levels | CMOS/LVTTL |
| tpd (ns) | 4.9 |
| Power Dissipation Considerations | Low |
| Tamb (°C) | -40 to 125 |
| Package Name | SO16 (SOT109-1) |
| Count Rate | 150 MHz |
| Trigger Type | Positive Edge |
| Reset | Asynchronous |
Key Features
- Synchronous Operation: All flip-flops are clocked simultaneously on the positive-going edge of the clock (CP).
- Presettable: The counter outputs (Q0 to Q3) can be preset HIGH or LOW.
- Internal Look-Ahead Carry: Simplifies serial cascading of the counters.
- Asynchronous Reset: A LOW at the master reset input (MR) sets Q0 to Q3 LOW regardless of other input levels.
- Wide Operating Voltage Range: 1.2V to 3.6V.
- Extended Operating Temperature Range: -40°C to 125°C.
- High-Speed Count Rate: Up to 150 MHz.
- Low Power Dissipation: Suitable for energy-efficient designs.
Applications
The 74LVC161D,112 is suitable for a wide range of applications across various industries, including:
- Automotive: For high-speed and reliable digital logic in automotive systems.
- Industrial: In industrial control systems, automation, and high-speed data processing.
- Consumer Electronics: For digital logic in consumer devices such as smartphones, tablets, and other portable electronics.
- Computing and Networking: In high-speed data transmission and processing systems.
- Wearables and IoT Devices: For compact and energy-efficient digital logic solutions.
Q & A
- What is the operating voltage range of the 74LVC161D,112?
The operating voltage range is 1.2V to 3.6V.
- What is the maximum count rate of the 74LVC161D,112?
The maximum count rate is up to 150 MHz.
- What type of reset does the 74LVC161D,112 have?
The 74LVC161D,112 has an asynchronous reset.
- What is the package type of the 74LVC161D,112?
The package type is SO16 (SOT109-1).
- Is the 74LVC161D,112 RoHS compliant?
- What is the operating temperature range of the 74LVC161D,112?
The operating temperature range is -40°C to 125°C.
- Can the 74LVC161D,112 be preset?
- How does the internal look-ahead carry function work?
The internal look-ahead carry simplifies serial cascading of the counters by enabling the terminal count output (TC) when both CEP and CET inputs are HIGH.
- What are the logic switching levels of the 74LVC161D,112?
The logic switching levels are CMOS/LVTTL.
- Is the 74LVC161D,112 still in production?
