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- No Longer Manufactured
- PCF8579T
LCD column driver for dot matrix graphic displays
- This page contains information on a product that is no longer manufactured (discontinued). Specifications and information herein are available for historical reference only.
The PCF8579 is a low power CMOS LCD column driver, designed to drive dot matrix graphic displays at multiplex rates of 1:8, 1:16, 1:24 or 1:32. The device has 40 outputs and can drive 32 x 40 dots in a 32 row multiplexed LCD. Up to 16 PCF8579 can be cascaded and up to 32 devices may be used on the same I²C-bus (using the two target addresses). The device is optimized for use with the PCF8578 LCD row/column driver. Together these devices form a general purpose LCD dot matrix driver chip set, capable of driving displays of up to 40960 dots. The PCF8579 is compatible with most microcontrollers and communicates via a two-line bidirectional bus (I²C-bus). To allow partial VDD shutdown the ESD protection system of the SCL and SDA pins does not use a diode connected to VDD. Communication overhead is minimized by a display RAM with auto-incremented addressing and display bank switching.
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Documentation
Quick reference to our documentation types.
1-5 of 6 documents
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Application Note
ESD and EMC sensitivity of IC
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User Guide
I2C-bus specification and user manual
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Package Information
plastic very small outline package; 56 leads
1-5 of 6 documents
-
Application Note
ESD and EMC sensitivity of IC
-
User Guide
I2C-bus specification and user manual
-
Package Information
plastic very small outline package; 56 leads
Design Resources