BU2879AK Rohm Semiconductor, BU2879AK Datasheet
BU2879AK
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BU2879AK Summary of contents
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... FL tube driver BU2879AK The BU2879AK is a driver IC for fluorescent displays equipped with 26 high-voltage withstand outputs and can display from 11 segments of 15 characters to 16 segments of 8 characters. This IC is equipped with a key scanning function, and general-purpose input pins, and is ideal for front panels in VTRs and other equipment. A serial interface allows functions to be controlled from a microcomputer. • ...
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... Standard ICs • Block diagram SW4 4bit data SW1 K4 KEY DATA latch ( SEGMENT Driver SCK SI SO 8bit shift-REG. 16bit latch 16bit 15word DISPLAY DATA RAM S11 BU2879AK V OSC SS OSC CONTROL LOGIC GRID Driver Driver S16 S12 / G15 / G11 G10 V EE ...
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... Pins — — 1 MHz Design guarantee value — — 0.16 s — — 0.16 s — — 0.3 s — — 0.5 s — minimum input clock cycle BU2879AK Function = 0V, V – 35V Measurement Conditions circuit Fig.1 Fig.4 Fig.2 Fig – 2V Fig – 2V Fig – V Fig ...
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... Electrical characteristic curves 3.8 3.7 3.6 3.5 3.4 3.3 3.2 – TEMPERATURE: Ta Fig. 5 Supply current temperature characteristics Monitor – TEMPERATURE: Ta Fig. 6 “H” grid output current temperature characteristics Test pin Fig Fig – TEMPERATURE: Ta Fig.7 “H” segment output current temperature characteristics BU2879AK ...
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... Standard ICs • External dimensions (Units: mm) 14.0 0.3 10.0 0 0.8 0.35 0.1 QFP44 0.15 0.1 0.15 BU2879AK 5 ...
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Appendix No technical content pages of this document may be reproduced in any form or transmitted by any means without prior permission of ROHM CO.,LTD. The contents described herein are subject to change without notice. The specifications for the product ...