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74HC4543 BCD to 7-Segment Decoder Driver IC
High-speed silicon-gate device for driving liquid-crystal displays
- DC Supply Voltage: -0.5V to 7V
- DC Input Diode Current: +20mA
- DC Output Diode Current: +20mA
- DC Output Source or Sink Current per Output Pin: +25mA
- DC VCC or Ground Current: +50mA
- Temperature Range: -55°C to 125°C
- Package: DIP-16
Top Features:
- Input Latches for BCD Code Storage
- Blanking Capability
- Phase Input for Complementing Outputs
- Wide Operating Temperature Range
The 74HC4543 is a versatile device suitable for driving various types of displays, including LEDs, incandescent, fluorescent, and gas-discharge displays. It features an active-high disable input (LD), active-high blanking input (BI), and a phase input (PH) for liquid-crystal applications.
When used with current amplifying devices, this decoder driver IC can provide active-high or active-low segment outputs. It offers balanced propagation delay and transition times, leading to significant power reduction compared to LSTTL technology.
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Images are for illustration only; actual product may vary.