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6275

Allegro MicroSystems
Part Number 6275
Manufacturer Allegro MicroSystems
Description 8-BIT SERIAL-INPUT/ CONSTANTCURRENT LATCHED LED DRIVER
Published Apr 3, 2005
Detailed Description 6275 8-BIT SERIAL-INPUT, CONSTANTCURRENT LATCHED LED DRIVER A6275ELW GROUND SERIAL DATA IN CLOCK LATCH ENABLE OUT 0 OUT ...
Datasheet PDF File 6275 PDF File

6275
6275

Overview
6275 8-BIT SERIAL-INPUT, CONSTANTCURRENT LATCHED LED DRIVER A6275ELW GROUND SERIAL DATA IN CLOCK LATCH ENABLE OUT 0 OUT 1 OUT 2 OUT 3 1 2 3 4 5 6 7 8 CK L REGISTER LATCHES 12 11 10 9 OE VDD IO REGULATOR 16 15 14 13 LOGIC SUPPLY REXT SERIAL DATA OUT OUTPUT ENABLE OUT 7 OUT 6 OUT 5 OUT 4 The A6275EA and A6275ELW are specifically designed for LEDdisplay applications.
Each BiCMOS device includes an 8-bit CMOS shift register, accompanying data latches, and eight npn constantcurrent sink drivers.
Except for package style and allowable package power dissipation, the two devices are identical.
The CMOS shift register and latches allow direct interfacing with microprocessor-based systems.
With a 5 V logic supply, typical serial data-input rates are up to 20 MHz.
The LED drive current is determined by the user’s selection of a single resistor.
A CMOS serial data output permits cascade connections in applications requiring additional drive lines.
For inter-digit blanking, all output drivers can ...


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