MAX6921 Datasheet - Maxim Integrated Products

MAX6921 (MAX6921 / MAX6931) Serial-Interfaced VFD Tube Drivers

The MAX6921/MAX6931 are 20-output, 76V, vacuumfluorescent display (VFD) tube drivers that interface a multiplexed VFD tube to a VFD controller, such as the MAX6850 *MAX6853, or to a microcontroller. The MAX6921/MAX6931 are also ideal for driving static VFD tubes or telecom relays. Data is inp.

MAX6921 Features

* o 5MHz Industry-Standard 4-Wire Serial Interface o 3V to 5.5V Logic Supply Range o 8V to 76V Grid/Anode Supply Range o -11V to 0V Filament Bias Supply (MAX6931 Only) o Push-Pull CMOS High-Voltage Outputs o Outputs can Source 40mA, Sink 4mA Continuously o Outputs can Source 75mA Repetitive Pulses o O

MAX6921_MaximIntegratedProducts.pdf