74HC393PW,118

Product Overview

• Category: Integrated Circuit (IC)
• Use: Digital Counter
• Characteristics: High-speed operation, low power consumption
• Package: TSSOP-16
• Essence: Dual 4-bit binary ripple counter
• Packaging/Quantity: Tape and Reel, 2500 pieces per reel

Specifications

• Supply Voltage Range: 2V to 6V
• Operating Temperature Range: -40°C to +125°C
• Input Capacitance: 3.5pF
• Output Current: ±6mA
• Propagation Delay: 13ns
• Maximum Clock Frequency: 50MHz

Detailed Pin Configuration

The 74HC393PW,118 has a total of 16 pins arranged as follows:

1. CP1: Clock input for counter 1
2. MR1: Master Reset input for counter 1
3. Q0: Output 0 for counter 1
4. Q1: Output 1 for counter 1
5. Q2: Output 2 for counter 1
6. Q3: Output 3 for counter 1
7. GND: Ground
8. VCC: Power supply
9. Q3: Output 3 for counter 2
10. Q2: Output 2 for counter 2
11. Q1: Output 1 for counter 2
12. Q0: Output 0 for counter 2
13. MR2: Master Reset input for counter 2
14. CP2: Clock input for counter 2
15. NC: No Connection
16. GND: Ground

Functional Features

• Dual 4-bit binary ripple counter with separate clock inputs and reset inputs for each counter
• Counting can be synchronous or asynchronous depending on the clock input
• Reset inputs allow the counters to be cleared to their initial state
• Outputs can be used as binary or decade counters

Advantages and Disadvantages

Advantages: - High-speed operation allows for efficient counting in digital systems - Low power consumption makes it suitable for battery-powered devices - Separate clock and reset inputs provide flexibility in controlling the counters

Disadvantages: - Limited number of bits (4-bit) may not be sufficient for certain applications requiring larger counters - Ripple counter design can introduce propagation delays and potential timing issues

Working Principles

The 74HC393PW,118 is a dual 4-bit binary ripple counter. It consists of two separate counters, each capable of counting from 0 to 15 (binary) or 0 to 9 (decimal). The counters can operate synchronously or asynchronously depending on the clock input.

When the clock input transitions from low to high, the counters increment by one. The outputs represent the current count value in binary format. The counters can be reset to their initial state by applying a low signal to the master reset inputs.

Detailed Application Field Plans

The 74HC393PW,118 is commonly used in various digital applications that require counting functionality. Some specific application fields include:

1. Digital frequency dividers
2. Event counters
3. Timekeeping circuits
4. Industrial automation systems
5. Communication equipment

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the 74HC393PW,118 are:

1. CD40193: CMOS presettable up/down counter
2. SN74LS393: Dual 4-bit binary ripple counter
3. MC14093B: Quad 2-input NAND Schmitt trigger

These alternatives can be considered based on specific requirements and compatibility with existing designs.

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