SN74LV4040ADBR

Product Overview

• Category: Integrated Circuit (IC)
• Use: Binary Counter
• Characteristics: Low-voltage, 12-stage ripple-carry binary counter
• Package: SSOP (Shrink Small Outline Package)
• Essence: High-performance digital logic device for counting applications
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Supply Voltage Range: 2 V to 5.5 V
• Operating Temperature Range: -40°C to +85°C
• Maximum Clock Frequency: 50 MHz
• Number of Stages: 12
• Output Type: CMOS
• Input Type: CMOS
• Package Dimensions: 3 mm x 5.3 mm

Detailed Pin Configuration

The SN74LV4040ADBR has a total of 16 pins. The pin configuration is as follows:

1. VCC - Positive power supply voltage
2. GND - Ground
3. Q12 - Output of the twelfth stage
4. Q11 - Output of the eleventh stage
5. Q10 - Output of the tenth stage
6. Q9 - Output of the ninth stage
7. Q8 - Output of the eighth stage
8. Q7 - Output of the seventh stage
9. Q6 - Output of the sixth stage
10. Q5 - Output of the fifth stage
11. Q4 - Output of the fourth stage
12. Q3 - Output of the third stage
13. Q2 - Output of the second stage
14. Q1 - Output of the first stage
15. MR - Master Reset input
16. CLK - Clock input

Functional Features

• High-speed operation with low power consumption
• Ripple-carry output for cascading multiple counters
• Asynchronous master reset for clearing the counter
• Wide supply voltage range for flexibility in different applications

Advantages and Disadvantages

Advantages: - Low-voltage operation allows for compatibility with various systems - High-speed performance enables quick counting operations - Compact package size saves board space - Asynchronous master reset provides easy counter clearing

Disadvantages: - Limited number of stages (12) may not be sufficient for certain applications requiring higher counts - CMOS output type may have limitations in driving certain loads

Working Principles

The SN74LV4040ADBR is a binary counter that operates by sequentially counting input clock pulses. Each stage of the counter represents a binary digit, and the outputs provide the binary count. The counter can be cascaded with additional counters to achieve larger counting ranges.

The counter can be reset to its initial state using the master reset input (MR). This asynchronous reset clears all the stages and sets the outputs to their initial values.

Detailed Application Field Plans

The SN74LV4040ADBR is commonly used in various applications that require counting functionality. Some of the application fields include:

1. Frequency Division: The counter can be used to divide an input clock frequency by a specific factor, enabling frequency division circuits.
2. Event Counting: It can be employed to count events or pulses generated by sensors, switches, or other devices.
3. Timekeeping: The counter can be utilized in timekeeping circuits to measure elapsed time or generate precise timing signals.
4. Digital Communication: It finds application in digital communication systems for synchronization and data processing purposes.

Detailed and Complete Alternative Models

1. CD4040BE: Similar 12-stage ripple-carry binary counter from Texas Instruments.
2. MC14040B: 12-stage binary ripple counter from ON Semiconductor.
3. HEF4040BP: 12-stage binary counter from NXP Semiconductors.

These alternative models offer similar functionality and can be used as replacements for the SN74LV4040ADBR in various applications.

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