CG7490AM

Product Overview

• Category: Integrated Circuit
• Use: Digital Logic Design
• Characteristics: High-speed, Low-power consumption
• Package: 20-pin Dual In-line Package (DIP)
• Essence: Counter and Shift Register IC
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Supply Voltage: 3.3V
• Operating Temperature: -40°C to +85°C
• Clock Frequency: Up to 50 MHz
• Number of Stages: 8-bit counter with serial input/output

Detailed Pin Configuration

1. VCC: Supply voltage
2. GND: Ground
3. CLK: Clock input
4. RST: Reset input
5. QA-QH: Parallel output pins
6. SER: Serial data input
7. QH': Serial output
8. MR: Master reset input
9. CE: Clock enable input
10. CP: Clock pulse input
11. QH'': Second serial output 12-19. Unused
12. NC: No connection

Functional Features

• 8-bit synchronous counter
• Serial or parallel data loading
• Cascadable for larger counters
• Asynchronous master reset
• Synchronous parallel load
• High-speed operation
• Low power consumption

Advantages and Disadvantages

Advantages

• Versatile functionality for digital logic design
• High-speed operation allows for efficient processing
• Low power consumption reduces energy usage
• Can be easily cascaded for larger counter applications
• Synchronous parallel load enables flexible data loading

Disadvantages

• Limited number of stages (8-bit)
• Requires external clock signal for operation
• Not suitable for applications requiring higher bit counts

Working Principles

CG7490AM is a synchronous counter and shift register integrated circuit. It operates by counting clock pulses and shifting data through its stages. The counter can be loaded with data in parallel or serially, depending on the application requirements. It features an asynchronous master reset input for resetting the counter to its initial state. The IC's working principle is based on digital logic circuits that enable efficient counting and shifting operations.

Detailed Application Field Plans

CG7490AM finds applications in various fields where digital logic design is required. Some of the common application areas include:

1. Digital frequency dividers
2. Event counters
3. Data communication systems
4. Industrial automation
5. Robotics
6. Automotive electronics
7. Consumer electronics

Detailed and Complete Alternative Models

1. CG7490BM: 14-pin DIP package, 4-bit counter with serial input/output
2. CG7492AM: 20-pin DIP package, 8-bit binary counter with parallel load
3. CG7493CM: 16-pin DIP package, 4-bit ripple counter with asynchronous clear
4. CG7494DM: 16-pin DIP package, 4-bit shift register with parallel load

These alternative models offer similar functionality to CG7490AM but may have different pin configurations, package sizes, or additional features.

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