00W022A On Screen Display IC BU2993FV Dimension The BU2993FV is a character generator IC designed for TV monitors and any other displays. It supports several features such as 512 characters display, 12-line × 28-character display, color and size of characters selectable, choice of background colors, 3-D displays, and 3-wire fixed 16 bit serial interface. (Units:mm) 6.4 ± 0.3 1.15 ± 0.1 4.4 ± 0.2 0.1 6.5 ± 0.2 Features 20 11 1 10 0.3Min. Description 0.15 ± 0.1 0.65 0.22 ± 0.1 0.1 SSOP-B20 1) 12-line × 28-character display 2) 512 character types 3) 4bit character color code 4) Character size can be selected from 4 sizes. 5) 3-D display possible for each character 6) Negative/positive display switch 7) Characters are displayed in a 12 ×18 dot matrix. 8) 3-wire fixed, 16 bit serial interface 9) Compatible with custom font Applications DVC, Camcoders, DSC, Video-CD, DVD, Car navigation Absolute Maximum Ratings (Ta=25˚C) Parameter Symbol Power supply voltage VDD Terminal voltage VIN Storage temperature range Tstg Power dissipation PD Limits –0.3∼+7.0 –0.3∼VDD+0.3 –50 ~+125 400 ∗ Unit V V ˚C mW ∗Derating: 4.0mW/˚C for operation above Ta=25˚C. February, 2000 Recommended Operating Conditions (Ta=25˚C) Parameter Power supply voltage Operating frequency Symbol Min. Typ. VDD FOSC 2.4 6.0 — Max. 3.6 Unit — 17.8 Symbol Min. — Typ. 3.9 Max. 6.0 Unit mA VCC=2.7V, f CLK=8MHz — 5.0 7.0 mA VCC=3.3V, f CLK=8MHz V MHZ Electrical Characteristics Parameter Current consumption IDD Low input voltage High input voltage VIL 0 — 0.2VDD V VIH 0.8VDD — VDD V Low input current IIL High input current IIH Low output voltage VOL High output voltage VOH Conditions — — 10 µA 25 50 100 µA — — 10 µA — — 0.1VDD V — — 0.1VDD V 0.9VDD — — V IOL=4.0mA IOL=0.5mA, OSCOUT IOL=4.0mA 0.9VDD — — V IOL=0.5mA, OSCOUT VIL=0V VIH=3.0V Application circuit SCLK CSB SDATA SDDIR HSYNC VSYNC SERIAL INTERFACE H/VSYNC INTERFACE ROM INTERFACE DISPLAY CONTROL Display background control Line background control Character background control Spright character control OSCIN OSCOUT OSC DOTCLK CONT OUTPUT CONTROL VRAM INTERFACE CHARACTER ROM MULTIPLEXER VRAM TEST BU2993FV VC0 VC1 VC2 VC3 BLKA BLKB BLKC Appendix Notes 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 described in this document are for reference only. Upon actual use, therefore, please request that specifications to be separately delivered. Application circuit diagrams and circuit constants contained herein are shown as examples of standard use and operation. Please pay careful attention to the peripheral conditions when designing circuits and deciding upon circuit constants in the set. Any data, including, but not limited to application circuit diagrams information, described herein are intended only as illustrations of such devices and not as the specifications for such devices. ROHM CO.,LTD. disclaims any warranty that any use of such devices shall be free from infringement of any third party's intellectual property rights or other proprietary rights, and further, assumes no liability of whatsoever nature in the event of any such infringement, or arising from or connected with or related to the use of such devices. Upon the sale of any such devices, other than for buyer's right to use such devices itself, resell or otherwise dispose of the same, no express or implied right or license to practice or commercially exploit any intellectual property rights or other proprietary rights owned or controlled by ROHM CO., LTD. is granted to any such buyer. Products listed in this document use silicon as a basic material. Products listed in this document are no antiradiation design. The products listed in this document are designed to be used with ordinary electronic equipment or devices (such as audio visual equipment, office-automation equipment, communications devices, electrical appliances and electronic toys). Should you intend to use these products with equipment or devices which require an extremely high level of reliability and the malfunction of with would directly endanger human life (such as medical instruments, transportation equipment, aerospace machinery, nuclear-reactor controllers, fuel controllers and other safety devices), please be sure to consult with our sales representative in advance. About Export Control Order in Japan Products described herein are the objects of controlled goods in Annex 1 (Item 16) of Export Trade Control Order in Japan. In case of export from Japan, please confirm if it applies to "objective" criteria or an "informed" (by MITI clause) on the basis of "catch all controls for Non-Proliferation of Weapons of Mass Destruction. Appendix1-Rev1.0