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93LC76 8K/16K 2.5V Microwire Serial EEPROM

93LC76 Description

INTEGRATED CIRCUITS PCA9531 8-bit I2C LED dimmer Product data 2003 Nov 10 Philips Semiconductors Philips Semiconductors Product data 8-bit I2C LE.
The PCA9531 is an 8-bit I2C & SMBus I/O expander optimized for dimming LEDs in 256 discrete steps for Red/Green/Blue (RGB) color mixing and back light.

93LC76 Features

* Eight LED drivers (on, off, flashing at a programmable rate)
* Two selectable, fully programmable blink rates (frequency and duty cycle) between 0.625 and 160 Hz (1.6 and 6.25 milliseconds)
* 256 brightness steps
* Input/outputs not used as LED drivers can be used

93LC76 Applications

* The PCA9531 contains an internal oscillator with two user programmable blink rates and duty cycles coupled to the output PWM. The LED brightness is controlled by setting the blink rate high enough (> 100 Hz) that the blinking can not be seen and then using the duty cycle to vary the amount of time

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16K 2.5V Microwire Serial EEPROM Microchip Technology
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