Datasheet MAX6954AAX+ - Maxim Даташит Светодиод DRIVER ИС — Даташит

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Подробное описание

Производитель: Maxim

Описание: Светодиод DRIVER ИС

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Краткое содержание документа:
19-2460; Rev 4; 3/09
4-Wire Interfaced, 2.7V to 5.5V LED Display Driver with I/O Expander and Key Scan
General Description
The MAX6954 is a compact display driver that interfaces microprocessors to a mix of 7-segment, 14-segment, and 16-segment LED displays through an SPITMor QSPITM-compatible 4-wire serial interface.

The serial interface may be cascaded through multiple devices. The MAX6954 drives up to 16 digits 7-segment, 8 digits 14-segment, 8 digits 16-segment, or 128 discrete LEDs, while functioning from a supply voltage as low as 2.7V. The driver includes five I/O expander (or GPIO) lines, some or all of which may be configured as a keyswitch reader, which automatically scans and debounces a matrix of up to 32 switches. Included on chip are full 14- and 16-segment ASCII 104-character fonts, a hexadecimal font for 7-segment displays, multiplex scan circuitry, anode and cathode drivers, and static RAM that stores each digit. The maximum segment current for the display digits is s

RoHS: есть