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HDSP-2301 Datasheet(PDF) 6 Page - Agilent(Hewlett-Packard) |
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HDSP-2301 Datasheet(HTML) 6 Page - Agilent(Hewlett-Packard) |
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6 / 44 page  6 Electrical Description The HDSP-230X series of four character alphanumeric displays have been designed to allow the user maximum flexibility in interface electronics design. Each four character display module features Data In and Data Out terminals arrayed for easy PC board interconnection. Data Out represents the output of the 7th bit of digit number 4 shift register. Shift register clocking occurs on the high to low transition of the Clock input. The like columns of each character in a display cluster are tied to a single pin. Figure 5 is the block diagram for the displays. High true data in the shift register enables the output current mirror driver stage associated with each row of LEDs in the 5 x 7 diode array. The TTL compatible VB input may either be tied to VCC for maximum display intensity or pulse width modulated to achieve intensity control and reduction in power consumption. The normal mode of operation input data for digit 4, column 1, Ambient Lighting Display Color Dim Moderate Bright HDSP-2301 (Yellow) Panelgraphic Yellow 27 Polaroid HNCP37 Chequers Amber 107 3M Light Control Film Panelgraphic Gray 10 HDSP-2302 (HER) Panelgraphic Ruby Red 60 Chequers Grey 105 Polaroid HNCP10 Chequers Red 112 HDSP-2303 (HP Green) Panelgraphic Green 48 Chequers Green 107 Figure 6. Contrast Enhancement Filters. Figure 5. Block Diagram of HDSP-2301/-2302/-2303. LED MATRIX 1 SERIAL DECODED DATA INPUT BLANKING CONTROL CLOCK LED MATRIX 2 LED MATRIX 3 LED MATRIX 4 55 55 77 77 77 77 28 BIT SIPO SHIFT REGISTER DATA LOCATIONS 1 – 7 8 – 14 15 – 21 22 – 28 ROWS 1 – 7 CONSTANT CURRENT SINKING LED DRIVERS ROWS 1 – 7 ROWS 1 – 7 ROWS 1 – 7 SERIAL DECODED DATA OUTPUT 5 COLUMN DRIVE INPUTS |
Similar Part No. - HDSP-2301 |
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Similar Description - HDSP-2301 |
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