ICM7217AIPI

Product Overview

Category

ICM7217AIPI belongs to the category of integrated circuits (ICs).

Use

The ICM7217AIPI is commonly used as a display driver for numeric and alphanumeric displays.

Characteristics

• The ICM7217AIPI is a high-performance, low-power CMOS device.
• It can drive up to 8 digits, 7-segment LED displays or 64 individual LEDs.
• The device supports multiplexed displays, allowing for reduced pin count.
• It offers a wide operating voltage range, typically from 2.7V to 5.5V.
• The ICM7217AIPI includes an on-chip oscillator, eliminating the need for external timing components.
• It provides various display modes, such as static, multiplexed, and strobed.

Package

The ICM7217AIPI is available in a 40-pin plastic dual in-line package (PDIP).

Essence

The essence of ICM7217AIPI lies in its ability to efficiently drive LED displays, enabling the visual representation of numerical and alphanumeric information.

Packaging/Quantity

The ICM7217AIPI is typically sold in reels or tubes, with quantities varying depending on the supplier.

Specifications

• Supply Voltage: 2.7V to 5.5V
• Operating Temperature Range: -40°C to +85°C
• Maximum Display Digits: 8
• Display Types: 7-segment LED or individual LEDs
• Package Type: 40-pin PDIP

Detailed Pin Configuration

1. VDD - Power supply voltage
2. OSC - Oscillator input
3. CLK - Clock input
4. STROBE - Strobe input
5. RESET - Reset input
6. BLANK - Blank input
7. TEST - Test input
8. DIG1 - Digit 1 output
9. DIG2 - Digit 2 output
10. DIG3 - Digit 3 output
11. DIG4 - Digit 4 output
12. DIG5 - Digit 5 output
13. DIG6 - Digit 6 output
14. DIG7 - Digit 7 output
15. DIG8 - Digit 8 output 16-23. SEG1-SEG8 - Segment outputs 24-31. SEG9-SEG16 - Segment outputs 32-39. SEG17-SEG24 - Segment outputs
16. VSS - Ground

Functional Features

• Multiplexed display driving capability
• On-chip oscillator for simplified timing requirements
• Serial data input for easy interfacing with microcontrollers or other devices
• Programmable blanking and strobing functions
• Built-in test mode for diagnostic purposes
• Low power consumption for energy-efficient operation

Advantages and Disadvantages

Advantages

• Versatile display driver suitable for various applications
• Wide operating voltage range allows for flexibility in power supply selection
• Simplified circuit design due to on-chip oscillator and multiplexing capabilities
• Low power consumption contributes to energy efficiency

Disadvantages

• Limited to driving LED displays only, not compatible with other display technologies
• Requires additional external components for complete display system implementation
• Relatively large package size compared to more compact integrated circuits

Working Principles

The ICM7217AIPI operates by receiving input data through its serial data input pin. It utilizes an on-chip oscillator to generate the necessary timing signals for driving the display. The device supports multiplexing, which involves sequentially activating each digit of the display to create the illusion of multiple digits being displayed simultaneously. This technique reduces the number of pins required for driving the display.

Detailed Application Field Plans

The ICM7217AIPI finds applications in various fields, including but not limited to: - Digital panel meters - Industrial control systems - Test and measurement equipment - Consumer electronics - Medical devices - Automotive displays

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the ICM7217AIPI include: - MAX7219 - TM1637 - HT16K33 - CD4511

These alternatives provide display driving capabilities and can be considered based on specific requirements and compatibility with the target application.

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