Machine Design

Latched Display Drivers

The A6800 Series of latched sinking drivers spec a 3.3-V logic supply, 10-MHz data rate, and are RoHS compliant.

The A6800 and A6801 are composed of four to eight D-type data latches with CMOS inputs and power outputs of 50 V at 350 mA using bipolar power Darlingtons.

The A6821 and A6841 include a CMOS shift register and control circuitry. Bipolar power Darlingtons handle 50 V at 500-mA outputs. The A6832 and A6833 are targeted for thermal printers or multiplexed LED or incandescent displays at currents and voltages up to 150 mA and 40 V.

Allegro Microsystems Inc., 115 Northeast Cutoff, Worcester, MA 01606, (508) 853-5000, allegromicro.com

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