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67023-103 Datasheet(PDF) 5 Page - Micropac Industries |
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67023-103 Datasheet(HTML) 5 Page - Micropac Industries |
5 / 7 page MICROPAC INDUSTRIES, INC. OPTOELECTRONIC PRODUCTS DIVISION • 725 E. Walnut St., Garland, TX 75040 • (972) 272-3571 • Fax (972) 487-6918 www.micropac.com E-MAIL: optosales@micropac.com 2 - 8 4N51, 4N52, 67023 4N53, 4N54 HERMETIC, NUMERIC AND HEXIDECIMAL DISPLAYS (LOW LEVEL DATA) DATA INPUT DATA INPUT (HIGH LEVEL DATA) INPUT ENABLE LH t 10% 1.5V 90% 1.5V 1.5V 1.5V 1.5V HOLD SETUP FIGURE 1 Timing Diagram of 4N51, 4N52 and 4N54 Series Logic W t t t 1.5V GROUND BLANKING (3) CONTROL 6 4 ENABLE 1 DP (2) INPUT 4 2 3 LOGIC Vcc 8 5 7 PIN NO. FIGURE 2 Block Diagram of 4N51, 4N52 and 4N54 Series Logic LED MATRIX DRIVER DP LED MATRIX MEMORY LATCH DC2 DP DC8 DC4 DC1 DECODER MATRIX NUMERAL ONE 580 100 32 FIGURE 3 150 580 150 dp 4 8 1 7 MINUS PLUS Vcc PLUS X X X X 8 4 2 1 BCD DATA (1) HH H H L H H H H L H H L L H H H H L H L H L H H L L H L L L H H H H L L H H L H L H L L L H L H H L L L H L L H L L L L L L L TRUTH TABLE 4N51/4N52 4N54 F (BLANK) E D C B A 9 9 8 8 7 7 6 6 5 5 4 4 3 3 2 2 1 1 0 0 ON OFF LOAD DATA LATCH DATA DISPLAY OFF DISPLAY ON VDP=H VDP=L VE =L VE =H VB =H VB =L DECIMAL PT. (2) ENABLE (1) BLANKING (3) (BLANK) ..... (BLANK) (BLANK) NOTES: 1. H = Logic High: L = Logic Low. With the enable input at logic high changes in BCD input levels or D.P. input have no effect upon display memory, displayed character, 2. The decmal point, DP, pertains only to the 4n51 and 4n52 displays. 3. The blanking control, B, pertains only to the 4n54 hexadecimal display. Blanking input has no effect upon memory. or D.P. PIN 8 7 6 5 4 3 2 1 Minus/Plus Vcc Open Open DP Numeral One Numeral One Plus FUNCTION TRUTH TABLE FOR TYPICAL DRIVING CIRCUIT BLANK DECIMAL POINT 1 - + H X X LLL L X H 1 X X HX X 2,3 X 4 PIN X L H X H 8 CHARACTER NOTES: L: Line switching transistor in figure 3 cutoff. H: Line transistor in figure 3 satuated X: Don't Care. TYPICAL DRIVING CIRCUIT 4N53 Over Range Character 4N51, 4N52, 4N54 Logic |
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