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MAX6957

Maxim
Part Number MAX6957
Manufacturer Maxim
Description 20-Port and 28-Port LED Display Driver and I/O Expander
Published May 2, 2005
Detailed Description MAX6957 4-Wire-Interfaced, 2.5V to 5.5V, 20-Port and 28-Port LED Display Driver and I/O Expander General Description T...
Datasheet PDF File MAX6957 PDF File

MAX6957
MAX6957

Overview
MAX6957 4-Wire-Interfaced, 2.
5V to 5.
5V, 20-Port and 28-Port LED Display Driver and I/O Expander General Description The MAX6957 compact, serial-interfaced LED display driver general-purpose I/O (GPIO) peripheral provides microprocessors with up to 28 ports.
Each port is individually user configurable to either a logic input, logic output, or common-anode (CA) LED constant-current segment driver.
Each port configured as an LED segment driver behaves as a digitally controlled constantcurrent sink, with 16 equal current steps from 1.
5mA to 24mA.
The LED drivers are suitable for both discrete LEDs and CA numeric and alphanumeric LED digits.
Each port configured as a GPIO can be either a pushp...


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