74LVC169PW,118

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 Synchronous Binary Up/Down Counter
• 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 Current: -32 mA
• Low-Level Output Current: 32 mA
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The 74LVC169PW,118 IC has a total of 16 pins. The pin configuration is as follows:

__ __ QD |1 `--' 16| VCC QC |2 15| MR QB |3 14| CP QA |4 13| PE GND |5 12| U/D LD |6 11| CE CLK |7 10| D GND |8 9| QH ``````````

Functional Features

• Synchronous Operation: The counter operates synchronously with the clock signal.
• Up/Down Counting: The counter can count up or down based on the input signals.
• Asynchronous Master Reset: The counter can be reset to its initial state using the MR pin.
• Parallel Enable: The counter can be enabled or disabled using the PE pin.
• Cascadable: Multiple counters can be cascaded to achieve higher bit counts.

Advantages and Disadvantages

Advantages: - Low-voltage operation allows for compatibility with a wide range of systems. - High-speed performance enables efficient counting in time-critical applications. - Synchronous operation ensures accurate and reliable counting.

Disadvantages: - Limited maximum count value due to its 4-bit design. - Requires external clock signal for operation.

Working Principles

The 74LVC169PW,118 is a 4-bit synchronous binary up/down counter. It operates based on the clock signal provided at the CLK pin. The counter can count up or down depending on the logic level applied to the U/D (Up/Down) pin. The counting direction is determined by the transition of the clock signal.

The counter can be reset to its initial state using the MR (Master Reset) pin. When the PE (Parallel Enable) pin is low, the counter is enabled and starts counting. Conversely, when the PE pin is high, the counter is disabled and holds its current count value.

Multiple counters can be cascaded by connecting the carry output (QH) of one counter to the carry input (CI) of the next counter, allowing for higher bit counts.

Detailed Application Field Plans

The 74LVC169PW,118 IC finds applications in various digital systems where counting functionality is required. Some potential application fields include: - Digital frequency dividers - Event counters - Timekeeping circuits - Industrial automation systems - Communication equipment

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the 74LVC169PW,118 IC are: - SN74LS169AN - CD40193BE - MC14516BCL

These alternatives can be considered based on specific requirements and availability.

Word count: 408 words