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74LVC161PW,112
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74LVC161PW,112

Basic Information Overview

  • Category: Integrated Circuit (IC)
  • Use: Digital Counter
  • Characteristics: Low-voltage CMOS device, synchronous operation, high-speed performance
  • Package: TSSOP (Thin Shrink Small Outline Package)
  • Essence: 4-bit binary counter with synchronous reset
  • Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

  • Supply Voltage Range: 1.65V to 5.5V
  • High-Level Input Voltage: 0.7 x VCC
  • Low-Level Input Voltage: 0.3 x VCC
  • High-Level Output Voltage: 0.9 x VCC
  • Low-Level Output Voltage: 0.1 x VCC
  • Maximum Operating Frequency: 125 MHz
  • Number of Counting Stages: 4
  • Synchronous Reset: Yes

Detailed Pin Configuration

The 74LVC161PW,112 has a total of 16 pins. The pin configuration is as follows:

  1. Clock Enable (CE)
  2. Clock (CP)
  3. Asynchronous Reset (MR)
  4. Parallel Load (PL)
  5. Data Inputs (D0-D3)
  6. Carry Output (CO)
  7. Count Enable (CTEN)
  8. Terminal Count (TC)
  9. Borrow Output (BO)
  10. Carry Input (CI)
  11. Outputs (Q0-Q3)
  12. Ground (GND)
  13. Outputs (Q3-Q0)
  14. Positive Supply Voltage (VCC)
  15. Outputs (Q3-Q0)
  16. Outputs (Q0-Q3)

Functional Features

  • Synchronous counting: The 74LVC161PW,112 performs synchronous counting, where the output changes simultaneously with the clock signal.
  • Asynchronous reset: The IC has an asynchronous reset input (MR) that allows the counter to be reset to its initial state at any time.
  • Parallel load: The parallel load input (PL) enables the user to load a specific value into the counter by applying the desired binary data to the data inputs (D0-D3) and asserting the PL signal.
  • Carry and borrow outputs: The IC provides carry (CO) and borrow (BO) outputs, which can be used for cascading multiple counters or connecting to other logic circuits.
  • Count enable: The count enable input (CTEN) allows the user to enable or disable counting.

Advantages and Disadvantages

Advantages: - Low-voltage operation makes it suitable for battery-powered devices. - High-speed performance allows for efficient counting in various applications. - Synchronous operation ensures accurate and reliable counting.

Disadvantages: - Limited number of counting stages (4 stages). - Requires external components for more complex counting sequences.

Working Principles

The 74LVC161PW,112 is a synchronous counter that utilizes flip-flops to store and propagate the count. The clock signal (CP) triggers the flip-flops, causing them to change their states simultaneously. The counter advances by one on each rising edge of the clock signal, unless the asynchronous reset (MR) or count enable (CTEN) inputs are activated. The parallel load (PL) input allows the user to load a specific value into the counter, overriding the counting sequence.

Detailed Application Field Plans

The 74LVC161PW,112 can be used in various applications, including: 1. Digital frequency dividers 2. Event counters 3. Time delay generators 4. Sequential control systems 5. Industrial automation

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the 74LVC161PW,112 include: - SN74LS161 - CD40161BE - MC74HC161N - 74HCT161

These alternative models can be considered based on specific requirements and availability.

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Enumere 10 preguntas y respuestas comunes relacionadas con la aplicación de 74LVC161PW,112 en soluciones técnicas

Sure! Here are 10 common questions and answers related to the application of 74LVC161PW,112 in technical solutions:

  1. Q: What is the function of the 74LVC161PW,112? A: The 74LVC161PW,112 is a synchronous presettable binary counter with asynchronous reset. It can be used for counting and timing applications.

  2. Q: What is the maximum operating frequency of the 74LVC161PW,112? A: The maximum operating frequency of the 74LVC161PW,112 is typically around 100 MHz.

  3. Q: How many bits does the 74LVC161PW,112 have? A: The 74LVC161PW,112 is a 4-bit counter, meaning it can count up to 16 different states.

  4. Q: Can the 74LVC161PW,112 be cascaded to create larger counters? A: Yes, multiple 74LVC161PW,112 counters can be cascaded together to create larger counters with more bits.

  5. Q: Does the 74LVC161PW,112 require an external clock signal? A: Yes, the 74LVC161PW,112 requires an external clock signal to operate.

  6. Q: Can the 74LVC161PW,112 be used as a frequency divider? A: Yes, by connecting the appropriate outputs of the 74LVC161PW,112 to the inputs, it can be used as a frequency divider.

  7. Q: What is the power supply voltage range for the 74LVC161PW,112? A: The power supply voltage range for the 74LVC161PW,112 is typically between 1.65V and 5.5V.

  8. Q: Does the 74LVC161PW,112 have any built-in preset values? A: Yes, the 74LVC161PW,112 has a preset feature that allows you to set an initial value for the counter.

  9. Q: Can the 74LVC161PW,112 be used in both synchronous and asynchronous reset modes? A: Yes, the 74LVC161PW,112 supports both synchronous and asynchronous reset modes, depending on the application requirements.

  10. Q: What are some typical applications of the 74LVC161PW,112? A: The 74LVC161PW,112 can be used in various applications such as frequency counters, digital clocks, event counters, and general-purpose counting and timing circuits.

Please note that the specific details and features of the 74LVC161PW,112 may vary, so it's always recommended to refer to the datasheet or technical documentation for accurate information.