Details, datasheet, quote on part number: ICM7243BLPL
PartICM7243BLPL
CategoryOptoelectronics => Display => LEDs
Description8-character, Microprocessor- Compatible, Led Display Decoder Driver
CompanyIntersil Corporation
DatasheetDownload ICM7243BLPL datasheet
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Features, Applications

Description

The an 8-character, alphanumeric display driver and controller which provides all the circuitry required to interface a microprocessor or digital system 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, x 6 memory, high power character and segment drivers, and the multiplex scan circuitry. 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. 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.

Features

14-Segment and 16-Segment Fonts with Decimal Point Mask Programmable for Other Font-Sets to 64 Characters Microprocessor Compatible Directly Drives LED Common Cathode Displays Cascadable Without Additional Hardware 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, x 6 Static Memory and 64-Character ASCll Font Generator Included On-Chip

PART NUMBER ICM7243BIJL ICM7243BlPL TEMP. RANGE (oC) to 85 PACKAGE 40 Ld CERPDIP 40 Ld PDIP 40 Ld CERPDIP 40 Ld PDIP PKG. NO. F40.6 E40.6

CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures. http://www.intersil.com 407-727-9207 | Copyright Intersil Corporation 1999

VDD SEG m SEG e SEG g1 SEG k SEG c SEG d1 SEG a1 SEG CS WR CHAR 8 CHAR 7 CHAR SEG l 39 SEG g2 38 SEG b 37 SEG i 36 SEG f 35 SEG DP 33 SEG h 32 SEG j 31 MODE 28 A2/DISP FULL 27 OSC/OFF 26 CHAR 1 25 CHAR 2 24 CHAR 3 23 CHAR 4 22 VSS 21 CHAR 5

VDD SEG e SEG g1 SEG k SEG c SEG d SEG CS WR CHAR 8 CHAR 7 CHAR SEG m 39 SEG l 38 SEG g2 37 SEG b 36 SEG i 35 SEG DP 33 SEG h 32 SEG j 31 MODE 28 A2/DISP FULL 27 OSC/OFF 26 CHAR 1 25 CHAR 2 24 CHAR 3 23 CHAR 4 22 VSS 21 CHAR 5

Q DATA INPUT - D5 DATA D LATCHES 8x6 6 DATA D0 MEMORY CLR ADR x 17 ROM

 

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