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6276

16-BIT SERIAL-INPUT, CONSTANT CURRENT LATCHED LED DRIV ER

Allegro MicroSystems 

6276

16-BIT SERIAL-INPUT,

CONSTANT-CURRENT

LATCHED LED DRIVER

TERMINAL DESCRIPTION

Terminal No.

1

2

3

4

5-20

21

Terminal Name

GND

SERIAL DATA IN

CLOCK

LATCH ENABLE

OUT0-15

OUTPUT ENABLE

22

SERIAL DATA OUT

23

REXT

24

SUPPLY

Function

Reference terminal for control logic.

Serial-data input to the shift-register.

Clock input terminal for data shift on rising edge.

Data strobe input terminal; serial data is latched with high-level input.

The 16 current-sinking output terminals.

When (active) low, the output drivers are enabled; when high, all output

drivers are turned OFF (blanked).

CMOS serial-data output to the following shift-register.

An external resistor at this terminal establishes the output current for all sink

drivers.

(VDD) The logic supply voltage (typically 5 V).

www.allegromicro.com

The products described here are manufactured under one or more

U.S. patents or U.S. patents pending.

Allegro MicroSystems, Inc. reserves the right to make, from time to

time, such departures from the detail specifications as may be

required to permit improvements in the performance, reliability, or

manufacturability of its products. Before placing an order, the user is

cautioned to verify that the information being relied upon is current.

Allegro products are not authorized for use as critical components

in life-support devices or systems without express written approval.

The information included herein is believed to be accurate and

reliable. However, Allegro MicroSystems, Inc. assumes no responsi-

bility for its use; nor for any infringement of patents or other rights of

third parties which may result from its use.

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