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A6275, A6275290A, A62755A

Table of contents:
Info of A6275
Info of A6275290A
Info of A62755A

A6275, A6275290A, A62755A Selling Leads, Datasheet

MFG:ALLEGRO Package Cooled:SOP D/C:08+

A6275, A6275290A, A62755A Datasheet download

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Part Number: A6275

MFG: ALLEGRO

Package Cooled: SOP

D/C: 08+

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A6275 General Description

The A6275 is specifically designed for LED display applications. Each BiCMOS device includes an 8-bit CMOS shift register, accompanying data latches, and eight NPN constant-current sink drivers.

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 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. A similar 150 mA output device is available as the A6277; a similar 16-bit device is available as the A6276.

Two package styles are provided: a through-hole DIP (suffix A) and a surface-mount SOICW (suffix LW). Under normal applications, copper leadframes and low logic-power dissipation allow these devices to sink maximum rated current through all outputs continuously over the operating temperature range (90 mA, 0.9 V drop, 85°C). Both packages are lead (Pb) free, with 100% matte tin leadframe plating.

A6275 Maximum Ratings

Up to 90 mA constant-current outputs
Undervoltage lockout
Low-power CMOS logic and latches
High data-input rate
Pin-compatible with TB62705CP

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