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DLX2416 データシート(PDF) 2 Page - OSRAM GmbH |
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DLX2416 データシート(HTML) 2 Page - OSRAM GmbH |
2 / 5 page 2000 Infineon Technologies Corp. • Optoelectronics Division • San Jose, CA Appnote 14 www.infineon.com/opto • 1-888-Infineon (1-888-463-4636) OSRAM Opto Semiconductors GmbH & Co. OHG • Regensburg, Germany www.osram-os.com • +49-941-202-7178 2 May 31, 2000-12 Clear Memory Clearing of the entire internal four-digit memory may be accom- plished by holding the clear line (CLR) low for one complete internal display multiplex cycle, 1 mS; less time may leave some data uncleared. CLR also clears the cursor memory. Display Blanking Blanking the display may be accomplished by loading a blank, space into each digit of the display or by using the (BL) display blank input. Setting the (BL) input low does not affect the con- tents of either data or cursor memory. A flashing display can be realized by pulsing (BL). Table 1. Electrical inputs to the DLX2416 VCC Positive supply +5 V GND Ground D0–D6 Data lines The seven data input lines are designed to accept the first 128 ASCII characters. See Figure 3 for character set. A0, A1 Address Lines The address determines the digit position to which the data will be written. Address order is right to left for positive-true logic. WR Write (Active Low) Data and address to be loaded must be present and stable before and after the trailing edge of write. (See data sheet for timing information). CE1, CE2 Chip Enable (Active Low) This determines which device in an array will actually accept data. When either or both chip enable is in the high state, all inputs are inhibited. CLR Clear (Active Low) The data RAM and cursor RAM will be cleared when held low for a minimum of 1 mS. CUE Cursor Enable. Activates Cursor function. Cursor will not be displayed regardless of cursor memory contents when cue is Low. CU Cursor Select (Active Low) This input must be held high to store data in data memory and low to store data into the cursor memory. BL Display Blank (Active Low) Blanking the entire display may be accom- plished by holding the BL input low. This is not a stored function, however. When BL is released, the stored characters are again displayed. BL can be used for flash- ing or dimming. Figure 2. Top view and pin outs Packaging Packaging consists of a nylon lens which also serves as an “encapsulation shell” since it covers five of the six “faces.” The assembled and tested substrate is placed within the shell and the entire assembly is then filled with a water-clear IC- grade epoxy. This yields a very rugged part, which is quite impervious to moisture, shock and vibration, Although not “hermetic”, the device will easily withstand total immersion in water/deter- gent solutions. Figure 3. Character set–DLX2416 Pin Function Pin Function 1 CE1 Chip Enable 10 GND 2 CE2 Chip Enable 11 D0 Data Input 3 CLR Clear 12 D1 Data Input 4 CUE Cursor Enable 13 D2 Data Input 5CU Cursor Select 14 D3 Data Input 6WR Write 15 D6 Data Input 7 A1 Digit Select 16 D5 Data Input 8 A0 Digit Select 17 D4 Data Input 18 17 16 15 14 13 12 11 10 1 2 3 4 5 6 7 8 9 digit 3 digit 2 digit 1 digit 0 ASCII CODE D0 D1 D2 D3 0 0 0 0 0 1 0 0 0 1 0 1 0 0 2 1 1 0 0 3 0 0 1 0 4 1 0 1 0 5 0 1 1 0 6 1 1 1 0 7 0 0 0 1 8 1 0 0 1 9 0 1 0 1 A 1 1 0 1 B 0 0 1 1 C 1 0 1 1 D 0 1 1 1 E 1 1 1 1 F 0 0 0 0 1 1 1 1 0 0 1 1 0 0 1 1 0 1 0 1 0 1 0 1 0 1 2 3 4 5 6 7 D6 D5 D4 HEX 1. High=1 level. 2. Low=0 level. 3. Upon power up, device will initialize in a random state. |
同様の部品番号 - DLX2416 |
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同様の説明 - DLX2416 |
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