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MAX6921

Maxim Integrated Products
Part Number MAX6921
Manufacturer Maxim Integrated Products
Description (MAX6921 / MAX6931) Serial-Interfaced VFD Tube Drivers
Published Feb 8, 2010
Detailed Description 19-3020; Rev 0; 10/03 20-Output, 76V, Serial-Interfaced VFD Tube Drivers General Description The MAX6921/MAX6931 are 20...
Datasheet PDF File MAX6921 PDF File

MAX6921
MAX6921

Overview
19-3020; Rev 0; 10/03 20-Output, 76V, Serial-Interfaced VFD Tube Drivers General Description 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 input using an industry standard 4-wire serial interface (CLOCK, DATA, LOAD, BLANK), compatibile with either Maxim’s or industry-standard VFD driver and controller.
For easy display control, the active-high BLANK input forces all driver outputs low, turning the display off, and automatically puts the MAX6921/MAX6931 into shutdown mode.
Display intensity may also be controlled by directly pulse-width modulating the BLANK input.
The MAX6921 has a serial interface data output, DOUT, allowing any number of devices to be cascaded on the same serial interface.
The MAX6931 has a negative supply voltage input, VSS, al...


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