CD74HC4511PWRE4

Product Overview

• Category: Integrated Circuit (IC)
• Use: BCD to 7-segment latch/decoder/driver
• Characteristics: High-speed CMOS logic, low power consumption
• Package: TSSOP-16
• Essence: Converts binary-coded decimal (BCD) input into a 7-segment display output
• Packaging/Quantity: Tape and reel packaging, 2500 units per reel

Specifications

• Supply Voltage Range: 2V to 6V
• Input Current: ±1µA
• Output Current: ±25mA
• Operating Temperature Range: -40°C to +85°C
• Propagation Delay Time: 18ns (typical)

Detailed Pin Configuration

The CD74HC4511PWRE4 has a total of 16 pins. The pin configuration is as follows:

1. LT (Lamp Test)
2. BI/RBO (Blanking Input / Ripple Blanking Output)
3. A (BCD Input A)
4. B (BCD Input B)
5. C (BCD Input C)
6. D (BCD Input D)
7. GND (Ground)
8. F (Segment F Output)
9. E (Segment E Output)
10. D (Segment D Output)
11. C (Segment C Output)
12. B (Segment B Output)
13. A (Segment A Output)
14. VCC (Positive Power Supply)
15. LE (Latch Enable)
16. RBO (Ripple Blanking Output)

Functional Features

• Converts BCD input into a 7-segment display output
• Latch enable input for storing the BCD data
• Lamp test input for testing the display segments
• Ripple blanking output for cascading multiple devices
• Low power consumption and high-speed operation

Advantages and Disadvantages

Advantages: - High-speed CMOS logic allows for fast operation - Low power consumption makes it suitable for battery-powered devices - Compact TSSOP-16 package saves board space - Latch enable and lamp test inputs provide additional functionality

Disadvantages: - Limited to BCD input, not suitable for other numeric systems - Requires external components (7-segment display) for complete functionality

Working Principles

The CD74HC4511PWRE4 is a BCD to 7-segment latch/decoder/driver IC. It takes the BCD input (A, B, C, D) and converts it into the corresponding output signals for driving a 7-segment display. The latch enable input (LE) allows the BCD data to be stored internally, while the lamp test input (LT) activates all segments for testing purposes. The ripple blanking output (RBO) enables cascading multiple devices for larger displays.

Detailed Application Field Plans

The CD74HC4511PWRE4 is commonly used in various applications that require BCD to 7-segment conversion. Some of the detailed application field plans include:

1. Digital clocks and timers
2. Counters and frequency meters
3. Industrial control panels
4. Instrumentation displays
5. Automotive dashboards
6. Home appliances with numeric displays

Detailed and Complete Alternative Models

1. CD4511BE: DIP-16 package, similar functionality
2. SN74LS47N: DIP-16 package, TTL logic, similar functionality
3. HEF4511BP: DIP-16 package, CMOS logic, similar functionality

These alternative models offer similar BCD to 7-segment conversion functionality and can be used as substitutes for the CD74HC4511PWRE4.

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