Texas Instruments CD4511BE CMOS BCD to 7-Segment LED Driver, 3-18V, DIP16
Texas Instruments CMOS BCD to 7-segment LED decoder/driver. 3-18V supply, 25mA output, DIP16 package. Ideal for digital displays.
The Texas Instruments CD4511BE is a CMOS BCD to 7-segment LED latch, decoder, and driver presented in a 16-pin DIP package. It integrates CMOS logic with NPN bipolar transistor output devices on a single monolithic structure, combining the low quiescent power dissipation and high noise immunity of CMOS technology with the robust drive capability of bipolar transistors capable of sourcing up to 25mA. This high output current allows the IC to drive LEDs and other display types directly without requiring additional buffer circuits.
The device includes several control inputs for enhanced functionality. A lamp test input allows for testing all segments of the display, while a blanking input can shut off or intensity modulate the output. The latch enable (or strobe) input provides the ability to store a BCD code, enabling the multiplexing of several different signals when used with external multiplexing circuitry. This makes it a versatile choice for complex display systems.
Key technical features include a wide supply voltage range from 3V to 18V, input latches for stable BCD code storage, and extremely low input current. It is 100% tested for quiescent current at 20V and offers reliable performance across a broad operating temperature range from -55°C to 125°C. These characteristics make it suitable for demanding industrial and commercial applications.
With its combination of CMOS efficiency and bipolar drive strength, the CD4511BE provides a reliable and flexible solution for converting binary-coded decimal inputs into the signals needed to illuminate 7-segment displays, simplifying circuit design and improving system reliability.
- LED lighting and display systems
- Digital panel meters and readouts
- Instrumentation and control panels
- Multiplexed display applications (with external circuitry)
- Logic Family/Base Number: CD4511
- Logic Type: BCD to 7 Segment Decoder / Driver / Latch
- Number of Outputs: 7
- Package/Case Style: DIP
- Number of Pins: 16
- Supply Voltage Range: 3V to 18V
- Output Sourcing Capability: Up to 25mA
- Input Latches: For BCD code storage
- Operating Temperature Range: -55°C to 125°C
- Parametric Ratings: 5V, 10V and 15V
- Maximum Input Current: 1µA at 18V (full temperature range)
- Dimensions: 43mm x 33mm x 15mm
- Weight: 2.495 grams
- of Outputs: 7Outputs
- Logic Case Style: DIP
- IC Case / Package: DIP
- of Pins: 16Pins
- Supply Voltage Min: 3V
- Supply Voltage Max: 18V
- Logic IC Family: CD4000
- Logic IC Base Number: 4511
- Operating Temperature Min: -55°C
- Operating Temperature Max: 125°C
- Product Range: CD4000 LOGIC
- SVHC: No SVHC (27-Jun-2018)
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