CD4511
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The CD4511 is a BCD to 7-segment latch/decoder/driver designed to drive 7-segment displays. It converts a binary-coded decimal (BCD) input into the corresponding 7-segment display output. The IC includes an internal latch that stores the BCD input and can directly drive LEDs to display the corresponding numeral. It is widely used in digital display applications.
Key Features:
- Converts BCD input to 7-segment output
- Latch for storing BCD input
- Direct LED driving capability
- High noise immunity
- Low power consumption
- Wide supply voltage range: 3V to 15V
- High current sourcing capability
- Supply Voltage (VDD): 3V to 15V
- Input Voltage Range: 0V to VDD
- High Level Output Current: -1.8mA (VDD = 5V), -12.8mA (VDD = 10V)
- Low Level Output Current: 25mA (max)
- Operating Temperature Range: -40°C to +85°C
- Package: 16-pin DIP, SOIC
- Digital Clocks: Drives 7-segment displays for time display in digital clocks.
- Counters and Timers: Used in timer and counter circuits for displaying numeric values.
- Scoreboards: Suitable for score displays in sports and gaming applications.
- Industrial Control Panels: Used in control panels to display numeric values and settings.
- Consumer Electronics: Implemented in various consumer devices requiring numeric displays.
- Automotive Displays: Drives 7-segment displays in automotive dashboards and instrumentation.
Technical Specifications:
- Logic Family: CMOS
- Number of Channels: 3
- Switch Configuration: Single-Pole Double-Throw (SPDT)
- Supply Voltage Range: 3V to 15V
- “ON” Resistance (R_ON): 125Ω typical at V_DD = 10V
- “OFF” Leakage Current (I_OFF): ±100pA typical at V_DD = 10V
- Control Input Voltage (V_IH): 0.7 V_DD min, 0.3 V_DD max
- Maximum Operating Frequency: 40 MHz at V_DD = 10V
Applications:
- Signal routing and switching
- Analog and digital multiplexing
- Audio and video signal processing
- Data acquisition systems
- Test equipment