M74HC4543 is the replacement for 74HC4543, which has the characteristics of high speed, low power consumption, high noise immunity, symmetrical output impedance, balanced propagation delay and wide operating voltage range.
The M74HC4543 is a high‑speed CMOS BCD‑to‑7 segment latch/decoder with an integrated LCD driver. It includes a BCD input latch, segment outputs and a phase input for LCD backplane driving, and features protection against static discharge and transient over‑voltage.
Key specifications include a supply voltage range of 2 V to 6 V, typical propagation delays of 51 ns at 6 V, and a maximum power dissipation of 500 mW. The device operates from –55 °C to 125 °C and offers low input currents and symmetrical output impedance for reliable operation in a variety of display applications.
| Supply Voltage Range | 2 V to 6 V |
|---|---|
| Power Dissipation | 500 mW |
| Operating Temperature Range | -55 °C to 125 °C |
The device operates from 2 V to 6 V.
The maximum power dissipation is 500 mW.