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V61182TAB Datasheet(PDF) 1 Page - EM Microelectronic - MARIN SA |
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V61182TAB Datasheet(HTML) 1 Page - EM Microelectronic - MARIN SA |
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1 / 15 page  R V6118 EM MICROELECTRONIC - MARIN SA Copyright © 2004, EM Microelectronic-Marin SA 1 www.emmicroelectronic.com 2, 4 and 8 Mutiplex LCD Driver Description The V6118 is a universal low multiplex LCD driver. The version V6118 2 drives two ways multiplex (two blackplanes) LCD, the version V6118 4, four way multiplex LCD , and the V6118 8, eight way multiplex LCD. The display refresh is handled on chip via a 40 x 8 bit RAM which holds the LCD content driven by the driver. LCD pixels (or segments) are addressed on a one to one basis with the 40 x 8 bit RAM (a set bit corresponds to an activated LCD pixel). The V6118 has very low dynamic current consumption , 150 µA max., making it particularly attractive for portable and battery powered applications. The wide operating range on both the logic (VDD) and the LCD (VLCD) supply voltages offers much application flexibility. The LCD bias generation is internal. The voltage bias levels can also be provided externally for applications having large pixels sizes. The V6118 can be used as a column only driver for cascading in large display applications. In the column only mode, 40 column outputs are available to address the display. A BLANK function is provided to blank the LCD, useful at power up to hold the display blank until the microprocessor has updated the display RAM. Applications □ Balances and scales □ Automotive displays □ Utility meters □ Large displays (public information panel etc.) □ Pagers □ Portable, battery operated products □ Telephones Features □ V6118 2 is 2 way multiplex with 2 rows and 38 columns □ V6118 4 is 4 way multiplex with 4 rows and 36 columns □ V6118 8 is 8 way multiplex with 8 rows and 32 columns □ Low dynamic current, 150 µA max. □ Low standby current, 1 µA max. at +25°C □ Voltage bias and mux signal generation on chip □ Display refresh on chip, 40 x 8 RAM for display storage □ Display RAM addressable as 8, 40 bits words □ Column driver only mode to have 40 column outputs □ Crossfree cascadable for large LCD applications □ Separate logic and LCD supply voltage pins □ Wide power supply range: VDD: 2 to 6V, VLCD: 2 to 8V □ BLANK function for LCD blanking on power up etc. □ Voltage bias inputs for applications with large pixel sizes □ Bit mapped □ Serial input / output □ Very low external component count □ -40 to + 85 °C temperature range □ No busy states □ LCD updating synchronized to the LCD refresh signal □ QFP52 and TAB packages Typical Operating Configuration Fig. 1 Pad Assignment Fig. 2 |
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