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ICM7243AIJL

製品説明
仕様・特性

ICM7243 ® 8-Character, MicroprocessorCompatible, LED Display Decoder Driver August 1997 Features Description • 14-Segment and 16-Segment Fonts with Decimal Point The ICM7243 is an 8-character, alphanumeric display driver and controller which provides all the circuitry required to interface a microprocessor or digital system to a 14-segment or 16-segment display. It is primarily intended for use in microprocessor systems, where it minimizes hardware and software overhead. Incorporated on-chip are a 64-character ASClI decoder, 8 x 6 memory, high power character and segment drivers, and the multiplex scan circuitry. • Mask Programmable for Other Font-Sets Up to 64 Characters • Microprocessor Compatible • Directly Drives LED Common Cathode Displays • Cascadable Without Additional Hardware 6-bit ASCll data to be displayed is written into the memory directly from the microprocessor data bus. Data location depends upon the selection of either Sequential (MODE = 1) or Random access mode (MODE = 0). In the Sequential Access mode the first entry is stored in the lowest location and displayed in the “left-most” character position. Each subsequent entry is automatically stored in the next higher location and displayed to the immediate “right” of the previous entry. A DISPlay FULL signal is provided after 8 entries; this signal can be used for cascading devices together. A CLeaR pin is provided to clear the memory and reset the location counter. The Random Access mode allows the processor to select the memory address and display digit for each input word. • Standby Feature Turns Display Off; Puts Chip in Low Power Mode • Sequential Entry or Random Entry of Data Into Display • Single +5V Operation • Character and Segment Drivers, All MUX Scan Circuitry, 8 x 6 Static Memory and 64-Character ASCll Font Generator Included On-Chip Ordering Information PART NUMBER TEMP. RANGE (oC) ICM7243AIJL -25oC to 85oC 40 Ld CERPDIP F40.6 ICM7243AIPL -25oC to 85oC E40.6 ICM7243BIJL -25oC to 85oC 40 Ld CERPDIP F40.6 ICM7243BlPL -25oC to 85oC E40.6 PACKAGE 40 Ld PDIP 40 Ld PDIP PKG. NO. The character multiplex scan runs whenever data is not being entered. It scans the memory and CHARacter drivers, and ensures that the decoding from memory to display is done in the proper sequence. Intercharacter blanking is provided to avoid display ghosting. CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures. 1-888-INTERSIL or 321-724-7143 | Intersil (and design) is a registered trademark of Intersil Americas Inc. Copyright © Intersil Americas Inc. 2003. All Rights Reserved All other trademarks mentioned are the property of their respective owners. 1 FN3162.1

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