description these displays have a 31.99 mm (1.26 inch) character height. the devices are available in either common row anode or common row cathode configurations. the displays come in only black face paint. the bi-color display consists of gap red (her) and gap green colors. these parts are subjected to outgoing quality assur- ance (oqa) inspection with an aql of 0.065% for functional and visual/cosmetic defects. features 4x8 dot matrix font x-y stackable ? in-out 27.42 mm (1.08 in.) dual-in-line (dip) leads on 2.0 mm (0.079 in.) centers choice of colors bi-color: red and green face paint color: black design flexibility common row anode or common row cathode categorized for luminance applications suitable for indoor use not recommended for industrial applications, i.e. operating temperature requirements exceeding 85 c or below -35 c extreme temperature cycling not recommended [1] devices hdsp- description b71z 31.99 mm black surface bi-color common row anode b76z 31.99 mm black surface bi-color common row cathode note: 1. for details, please contact your local avago components sales office or an authorized distributor. hdsp-b7xz series 31.99 mm (1.26 inch) general purpose 4x8 dot matrix bi-color alphanumeric displays data sheet
2 package dimensions 13.71 (0.34) 4.57 (0.180) row col 1 2 3 4 5 6 7 1234 2 x 7 = 14.00 (0.079 x 7 = 0.553) 8.00 (0.315) 4.19 (0.165) 4 ?c1.27 0.45 (0.018) 18.01 (0.709) 8 31.99 (1.260) 36.30 (1.429) 27.42 (1.080) 32 ? ? 3.30 (0.130) 4.57 (0.180) part number 36.30 (1.429) pin 1
3 internal circuit diagram common row anode ?bi-color 12 2 11 10 45 13 14 3 4 5 6 7 8 1 2 3 4 5 6 7 pin column row 15 16 17 2 3 the sign represents her color chips the sign represents green color chips 18 1 1 pin connection 1 cathode column 1 her 2 cathode column 1 green 3 cathode column 2 her 4 cathode column 2 green 5 cathode column 3 her 6 cathode column 3 green 7 cathode column 4 her 8 cathode column 4 green 9 anode row 1 10 anode row 2 11 anode row 3 12 anode row 4 13 anode row 5 14 anode row 6 15 anode row 7 16 anode row 8
4 internal circuit diagram common row cathode ?bi-color 6 9 7 8 34 5 4 10 11 12 13 14 15 16 1 2 3 4 5 6 7 8 pin column row 3 2 1 1 2 the sign represents her color chips the sign represents green color chips pin connection 1 anode column 1 her 2 anode column 1 green 3 anode column 2 her 4 anode column 2 green 5 anode column 3 her 6 anode column 3 green 7 anode column 4 her 8 anode column 4 green 9 cathode row 1 10 cathode row 2 11 cathode row 3 12 cathode row 4 13 cathode row 5 14 cathode row 6 15 cathode row 7 16 cathode row 8
5 absolute maximum ratings at t a = 25?c gap red gap green parameter HDSP-B71Z/b76z HDSP-B71Z/b76z units average power per dot [1] 36 36 mw peak forward current per dot [1] (1/8 duty cycle at 10 khz) 100 100 ma average forward current per dot 13 [1,2] 13 [1,2] ma reverse voltage per dot 3 3 v operating temperature ?5 to +85 ?5 to +85 c storage temperature ?5 to +85 ?5 to +85 c wave soldering temperature for 3 seconds [3] (2 mm [0.078 in.] below body) 250 250 c notes: 1. do not exceed maximum average current per dot. 2. derate above 25 c at 0.17 ma/ c. 3. not recommended to be soldered more than 2 times. minimum interval between solderings is 15 minutes. total soldering time not to exceed 3 seconds.
6 gap green devices hdsp- parameter symbol min. typ. max. units test conditions luminous intensity/dot i v 3.3 mcd i fp = 40 ma, (digit average) [1] 1/8 duty factor peak wavelength peak 568 nm i f = 20 ma dominant wavelength [2] d 573 nm i f = 20 ma forward voltage v f 2.3 2.6 v i f = 20 ma reverse voltage [3] v r 3.0 v i r = 100 a luminous intensity i v-m 2:1 i fp = 40 ma, matching ratio 1/8 duty factor optical/electrical characteristics at t a = 25?c gap red devices hdsp- parameter symbol min. typ. max. units test conditions luminous intensity/dot i v 2.3 mcd i fp = 40 ma, (digit average) [1] 1/8 duty factor peak wavelength peak 632 nm i f = 20 ma dominant wavelength [2] d 622 nm i f = 20 ma forward voltage v f 2.1 2.6 v i f = 20 ma reverse voltage [3] v r 3.0 v i r = 100 a luminous intensity i v-m 2:1 i fp = 40 ma, matching ratio 1/8 duty factor b71z b76z b71z b76z bi-color devices hdsp- parameter symbol min. typ. max. units test conditions luminance/dot i v 12 4. 1 185 372 cd/m 2 i fp = 40 ma, (digit average) [1] 1/8 duty factor b71z b76z notes: 1. the digits are categorized for luminance. the luminance category is designated by a letter on the side of the package. 2. the dominant wavelength, d , is derived from the cie chromaticity diagram and represents the single wavelength which defines the color of the device. 3. typical specification for reference only. do not exceed absolute maximum ratings.
7 bi-color (cd/m 2 at i fp = 40 ma, 1/8 duty cycle) bin name min. [2] max. [2] h124 .1 149 i149 .1 179 j179 .1 215 k215 .1 258 l258 .1 310 m310 .1 372 hue grade bin coordinate 6 7 8 9 10 11 x 0.562-0.573 0.572-0.583 0.582-0.593 0.592-0.603 0.602-0.613 0.612-0.623 y 0.425-0.436 0.415-0.426 0.405-0.416 0.395-0.406 0.385-0.396 0.375-0.386 notes: 1. hue categories are established for classification of products. products may not be available in all bin categories. 2. tolerance for each intensity bin limit is 10%.
contrast enhancement for information on contrast enhancement, please see application note 1015. soldering/cleaning cleaning agents from the ketone family (acetone, methyl ethyl ketone, etc.) and from the chlorinated hydrocarbon family (methylene chloride, trichloroeth- ylene, carbon tetrachloride, etc.) are not recommended for cleaning led parts. all of these various solvents attack or dissolve the encapsulating epoxies used to form the package of plastic led parts. for information on soldering leds, please refer to application note 1027. figure 4. relative luminance vs. peak forward current. figure 3. relative efficiency (luminous intensity per unit dot) vs. peak current per dot. figure 1. maximum allowable average current per dot vs. ambient temperature. figure 2. forward current vs. forward voltage. i dc ?maximum dc current per dot ?ma 0 0 t a ?ambient temperature ?? 10 70 90 15 6 60 40 gap red / gap green 3 9 12 20 30 50 80 i f ?forward current per dot ?ma 0 0 v f ?forward voltage ?v 40 30 25 5 1.5 3.0 35 20 10 0.5 2.5 15 1.0 2.0 gap red gap green relative luminance (normalized to 1 at 40 ma peak) 0 0 i peak ?peak forward current ?ma 90 20 70 80 100 2.5 2.0 1.0 0.5 60 50 40 30 10 1.5 relative efficiency 0 0 i peak ?peak dot current ?ma 1.0 0.8 0.4 0.2 30 1.2 0.6 10 50 gap red 20 40 60 gap green device reliability for reliability information, please see the reliability data sheet 31.99 mm general purpose 4 x 8 dot matrix alphanumeric displays . for product information and a complete list of distributors, please go to our website: www.avagotech.com avago, avago technologies, and the a logo are trademarks of avago technologies limited in the united states and other countries . data subject to change. copyright ? 2006 avago technologies limited. all rights reserved. obsoletes 5988-1745en 5988-5216en june 24, 2006
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