CD4558 BCD-to-7-Segment Decoder/Driver DIP-16 (CD4558 DIP IC) The CD4558 is a high-voltage CMOS integrated circuit designed to function as a BCD-to-7-segment decoder and driver. It is specifically engineered to provide a simplified interface for driving common-cathode LED displays. Similar to the CD4511, it includes internal storage latches for the BCD input data, but it features a different output drive characteristic optimized for lower power consumption and specific digital clock applications.
This IC is primarily used in digital display systems, counting circuits, and time-keeping devices where numerical output is required. It is an ideal component for Arduino electronics projects in India that involve creating multi-digit decimal displays with common-cathode 7-segment LED modules.
Key Features
- BCD-to-7-segment decoding for decimal digits 0-9
- Internal 4-bit storage latch for BCD input data
- Optimized for common-cathode LED display driving
- Lamp Test and Blanking inputs for display testing and control
- High-voltage CMOS technology for superior noise immunity
- Wide operating supply voltage range for diverse power systems
- Low power consumption typical of 4000 series logic
- Standardized symmetrical output characteristics
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
- Display Compatibility = Common-Cathode LED
- 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 High)
- LT = Lamp Test (Active Low)
- VSS = Ground (0V)
- VDD = Positive Supply Voltage
- NC = No Connection