CD4511 BCD-to-7-Segment Latch Decoder Driver DIP-16 (CD4511 DIP IC)
The CD4511 is a CMOS integrated circuit that functions as a BCD-to-7-segment latch decoder and driver. It is designed to convert a 4-bit Binary Coded Decimal (BCD) input into the signals necessary to drive a common-cathode 7-segment display, incorporating an internal storage latch.
This IC is primarily used in digital clocks, counters, and calculators to provide a visual interface for numerical data. It is a fundamental component for Arduino electronics projects in India where multiple 7-segment displays need to be driven efficiently with minimal microcontroller pins using multiplexing.
Key Features
- High output sourcing capability up to 25mA
- Internal BCD data storage latch
- Blanking input for intensity control or lamp testing
- Lamp test input to verify all display segments
- Low power consumption typical of CMOS technology
- High noise immunity greater than 45 percent
- Standardized symmetrical output characteristics
- Compatible with common-cathode 7-segment LED displays
Specifications
- IC Type = BCD to 7-Segment Decoder
- Logic Family = CD4000
- Supply Voltage = 3V to 18V
- Package Type = DIP
- Number of Pins = 16
- Mounting Type = Through-Hole
- Output Drive Current = 25mA at 15V
- Operating Temperature = -55 to 125 degrees Celsius
Interfaces
- A, B, C, D = BCD Data Inputs
- a, b, c, d, e, f, g = 7-Segment Display Outputs
- LE = Latch Enable (Active High)
- BI = Blanking Input (Active Low)
- LT = Lamp Test (Active Low)
- VSS = Ground (0V)
- VDD = Positive Supply Voltage
