原装现货 A6276ELW-T（附PDF文档）报价0755-33062500

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Update：2009-04-09 Views：5454

【产品型号】A6276ELW-T

【生产厂家】ALLEGRO

【技术参数】A6276ELW-T 技术参数下载

【产品说明】全新原装现货，A6276ELW-Tis specifically designed for LED-display applications.

16-BIT SERIAL-INPUT, CONSTANTCURRENT

LATCHED LED DRIV ER

The A6276 is specifically designed for LED-display applications.

Each BiCMOS device includes a 16-bit CMOS shift register, accompanying

data latches, and 16 npn constant-current sink drivers. Except

for package style and allowable package power dissipation, the device

options 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 de ter -

mined 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 be disabled

with an ENABLE input high. Similar 8-bit devices are available as the

A6275EA and A6275ELW.

Three package styles are provided: through-hole DIP (suffix A),

surface-mount SOIC (suffix LW) and TSSOP with exposed thermal pad

(suffix LP). Under normal applications, a copper lead frame and low

logic-power dissipation allow the dual in-line package to sink maximum

rated current through all outputs con tin u ous ly over the operating

temperature range (90 mA, 0.75 V drop, +85°C).

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