HCF4511BE BCD to 7-Segment Display Driver IC DIP-16

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HCF4511BE BCD to 7-Segment Display Driver IC DIP-16 The HCF4511BE is a compact CMOS BCD-to-7-segment latch/decoder/driver offered in a 16-pin DIP (and SOIC) package. It accepts a 4-bit BCD input and converts it into the seven segment outputs required to drive a single 7-segment LED display, combining CMOS logic for low quiescent current with bipolar output stages that can source display current directly. The device integrates input latches so codes can be stored and displayed independently of changing input lines. The IC includes auxiliary control pins such as lamp test and blanking, enabling easy diagnostic testing of the display and blanking of segments when required. It also provides standardized, symmetrical output characteristics and balanced propagation delays to keep segment transitions even and predictable. Because the outputs are designed to source current, the HCF4511BE is especially suitable for driving common-anode style LED segments when used according to the datasheet’s wiring recommendations. Overall, the HCF4511BE simplifies numeric display designs by removing the need for discrete decoder logic and separate driver transistors. Its latch capability and built-in test/blanking functions reduce external components and wiring, making it a convenient choice for counters, meters, consumer electronics readouts and similar single-digit numeric display applications. Features: BCD to 7-segment latch/decoder/driver functionality. High output sourcing capability (up to tens of mA per segment). Input latches for BCD code storage. Lamp test and blanking capability. Balanced propagation delays and symmetrical output characteristics. Low quiescent current and high noise immunity typical of CMOS devices. Available in DIP-16 and SOIC-16 packages. Specifications: Specification: Details: Device Type: BCD to 7-Segment Latch / Decoder / Driver IC Logic Family: CMOS Supply Voltage (VDD): 3V to 20V Input Type: 4-bit BCD input Output Type: 7-segment outputs with sourcing capability Control Inputs: Latch Enable (LE) Lamp Test (LT) Blanking Input (BI/RBI) Output Drive Capability: Suitable for direct LED segment driving Package Type: DIP-16 Mounting Type: Through Hole Operating Temperature Range: -55 to +125 °C Technology: CMOS with bipolar output drivers The 4511 is a BCD to 7-segment decoder. It means it takes a number in binary form as an input, then displays this number on a 7-segment display using its outputs. A 7-segment display is a component with seven Light-Emitting Diodes (LED) arranged as shown below. By turning on different combinations of the LEDs, a number between 0 and 9 is displayed. Pinout: Pin Name Pin # Type Description VDD 16 Power Supply Voltage (+3 to +15V) GND 8 Power Ground (0V) a-f 9-15 Output Outputs for the 7-segment display D0-D3 7, 1, 2, 6 Input 4-bit data input LT 3 Input Lamp Test. Turns on all segments when LOW. BL 4 Input Blanking Test. Turns off all segments when LOW. LE 5 Input Latch Enable. Stores the current state when HIGH. Applications: Single-digit numeric displays. Digital counters and timers. Consumer electronic readouts. Industrial instrumentation displays. Educational electronics kits. Package Contents: 1x HCF4511BE BCD to 7-Segment Display Driver IC DIP-16 Datasheet