| Parameter | Symbol | Min | Typ | Max | Unit | Conditions |
|---|---|---|---|---|---|---|
| Supply Voltage | VCC | 3.0 | - | 18.0 | V | |
| Input Low Voltage | VIL | - | 0.8 | 2.0 | V | VCC = 5V |
| Input High Voltage | VIH | 2.0 | - | VCC - 1.5 | V | VCC = 5V |
| Output Low Voltage | VOL | 0.0 | 0.1 | 0.5 | V | IO = 16mA, VCC = 5V |
| Output High Voltage | VOH | 2.7 | - | VCC - 0.6 | V | IO = -0.4mA, VCC = 5V |
| Propagation Delay Time | tpd | - | 35 | 100 | ns | VCC = 5V, TA = 25°C |
| Power Dissipation | PD | - | - | 500 | mW | |
| Operating Temperature | TA | -40 | - | 85 | °C | |
| Storage Temperature | TSTG | -65 | - | 150 | °C |
Instructions for Using the CD4511BE
Pin Configuration:
- 1 (A): BCD input A
- 2 (B): BCD input B
- 3 (C): BCD input C
- 4 (D): BCD input D
- 5 (LT): Lamp Test (active low)
- 6 (BI/BO): Blanking Input/Output (active low)
- 7 (a): Cathode of segment a
- 8 (GND): Ground
- 9 (b): Cathode of segment b
- 10 (c): Cathode of segment c
- 11 (d): Cathode of segment d
- 12 (e): Cathode of segment e
- 13 (f): Cathode of segment f
- 14 (g): Cathode of segment g
- 15 (LE): Latch Enable (active low)
- 16 (VCC): Positive supply voltage
Basic Operation:
- The CD4511BE is a BCD-to-7-segment decoder/driver designed to drive a common cathode 7-segment display.
- Connect the BCD inputs (A, B, C, D) to the binary digits you want to display.
- Set the Lamp Test (LT) pin low to test all segments of the display.
- Set the Blanking Input/Output (BI/BO) pin low to blank the display.
- Set the Latch Enable (LE) pin low to latch the BCD input data.
- Ensure the supply voltage (VCC) is within the specified range.
Lamp Test (LT):
- When LT is low, all segments (a through g) are turned on, allowing you to check if the display is functioning correctly.
Blanking Input/Output (BI/BO):
- When BI/BO is low, the display is blanked, regardless of the BCD input.
- When BI/BO is high, the display shows the decoded BCD input.
Latch Enable (LE):
- When LE is low, the BCD input is latched and the corresponding 7-segment code is output to the display.
- When LE is high, the BCD input is not latched, and the display remains in its previous state.
Power Supply:
- Ensure the supply voltage (VCC) is between 3.0V and 18.0V to avoid damage to the IC.
- Connect the ground (GND) pin to the common cathode of the 7-segment display.
Temperature Considerations:
- The operating temperature range is from -40°C to 85°C.
- Store the device in a temperature range from -65°C to 150°C.
Handling Precautions:
- Handle the CD4511BE with care to avoid static discharge, which can damage the IC.
- Use proper soldering techniques and ensure all connections are secure and free of shorts.
By following these instructions, you can effectively use the CD4511BE to drive a 7-segment display with BCD input.
(For reference only)
