grayhill, inc. ? 561 hillgrove avenue ? lagrange, illinois 60525-5997 ? usa ? phone: 708-354-1040 ? fax: 708-354-2820 ? www.grayhill.com standard keypads keyboards and keypads series 84ls sealed, low profle feature s ? waterproof silicone rubber ? easily customized legends ? audible, tactile contacts ? low contact resistance ? optional rfi/emi shielding ? 3,000,000 operations per button description the series 84ls is the low profle version of grayhill's popular series 84s sealed keypads. these keypads are legended by epoxy ink printing the rubber key tops. custom legends and colors are available at a nominal cost. the series 84ls is offered with a choice of matrix or single pole/common bus circuitries and emi shielding. dimensions in inches (and millimeters) 3x4 keyboard matrix output single pole/ common bus switch position identification .425 (10,80) 3.100 .020 (78,74 0,51) .750 (19,05) 3 eq. sps. tol. non-accum. .425 (10,80) .750 (19,05) 2 eq. sps. tol. non-accum. .455 (11,56) sq. printable area 2.350 .020 (59,69 0,51) .490 (12,45) sq. .368 .015 (9,35 0,38) .267 .015 (6,78 0,38) .357 (9,07) .207 (5,26) .025 .002 (0,64 0,05) sq. terminal pins 1.650 (41,91) .350 (8,89) .800 (20,32) 1.500 (38,1) .750 (19,05) .525 (13,34) .100 (2,54) typ. #6-32 mtg stud 4 places .098 (2,49) ref. terminal pin header .100 (2,54) ref. terminal pin header a b c d e f g terminal pin identification label 1 4 7 10 2 5 8 11 3 6 9 12 1.650 (41,91) .800 (20,32) 1.500 (38,1) .750 (19,05) .225 (5,72) .100 (2,54) typ. #6-32 mtg stud 4 places .098 (2,49) ref. terminal pin header .100 (2,54) ref. terminal pin header a h b j c k d l e m f n g terminal pin identification label .350 (8,89) 4.500 114,3 [] 1.125 28,58 [] r 4 places .050 1,27 [] sq. .660 16,76 [] sq. .455 11,56 [] .475 12,07 [] .563 14,29 [] 3 eq. sps. tol. non-accum. 1.125 28,58 [] .202 5,13 [] .352 8,94 [] .302 7,67 [] sq. terminal pins .025 0,64 [] .313 7,94 [] 3 places .500 12,7 [] 3 places sps. 1.125 28,58 [] .500 12,7 [] 3.875 98,43 [] ref. terminal pin header .100 2,54 [] 1 23 4 a b c d e (orientated per bottom view) switch position indentification label #4-40 mtg stud 8 places teminal pins pulled in these locations 1x4 keyboard single pole/ common bus
grayhill, inc. ? 561 hillgrove avenue ? lagrange, illinois 60525-5997 ? usa ? phone: 708-354-1040 ? fax: 708-354-2820 ? www.grayhill.com standard keypads keyboards and keypads 4x4 keyboard matrix output single pole/ common bus .098 (2,49) ref. terminal pin header .100 (2,54) ref. terminal pin header f e d b c a g h terminal pin identification switch position identification .425 (10,80) 3.100 .020 (78,74 0,51) .750 (19,05) 3 eq. sps. tol. non-accum. .425 (10,80) .750 (19,05) 3 eq. sps. tol. non-accum. .455 (11,56) sq. printable area 3.100 .020 (78,74 0,51) .490 (12,45) sq. .368 .015 (9,35 0,38) .267 .015 (6,78 0,38) .357 (9,07) .207 (5,26) .025 .002 (0,64 0,05) sq. terminal pins .775 (19,69) .100 (2,54) typ. .310 (7,87) 1.500 (38,1) 2.120 (53,85) 1.125 (28,58) 2.250 (57,15) .750 (19,05) .490 (12,45) label #6-32 mtg stud 6 places 1 5 9 13 2 6 10 14 3 7 11 15 4 8 12 16 .098 (2,49) ref. terminal pin header .100 (2,54) ref. terminal pin header a b c d e f g h j k l m n p q r s terminal pin identification .100 (2,54) typ. .310 (7,87) 1.500 (38,1) 2.120 (53,85) 1.125 (28,58) 2.250 (57,15) .750 (19,05) .490 (12,45) label #6-32 mtg stud 6 places .425 (10,80) .425 (10,80) .800 (20,32) code and t ruth t ables the chart indicates the relationship of the terminal pins to each key switch. the dot indicates a closed switch. terminals are identifed on the keyboard. 12 button keypads 16 button keypads specif ications rating criteria r ating at 24 vdc: 10 milliamps resistive c ontact bounce: 4 milliseconds maximum at make; 10 milliseconds, at break contact resistance: mos, ttl, and dtl compatible. (10 ohms maximum) operating t emperature: -55c to 85c dimensions in inches (and millimeters) life e xpectancy: 3 million operations/button insulation resistance: 1,000 megohms operating features pre-t ravel: .030 inches minimum o perating force: 20 4 ounces humidity: 0 to 98% (no condensation) m inimum push o ut force per pin: 5 pounds materials and finishes t erminal pins: copper alloy cda 725 pc board: fr-4 glass cloth epoxy dome retainer/rear seal sheet: polyester mounting studs: phosphor bronze optional h ex nut: stainless steel, passivated optional emi shield: aluminum foil keypad: silicone rubber 4 button keypads 1 2 3 4 5 6 7 8 9 10 11 12 ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? codes 3x4 matrix single pole/common bus terminal location button location c b a g f e d e c b f d a n k h m l j g ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? 1 2 3 4 codes 1x4 pins terminal location button location a b c d e ? ? ? ? ? ? ? ? codes 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 4x4 matrix single pole/common bus terminal location button location a b c d e f g h d b a c h f e g k m l j p r q n s ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? 1x1 keyboard 1.125 .020 .562 .562 1.125 .020 .366 sq. butt on area #4-40 mtg stud (also ser ve as terminals) .500 .500 .313 .313 label .490 sq. .500 .270 .362 .015
grayhill, inc. ? 561 hillgrove avenue ? lagrange, illinois 60525-5997 ? usa ? phone: 708-354-1040 ? fax: 708-354-2820 ? www.grayhill.com standard keypads keyboards and keypads grayhill series number shielded or non-shielded option s = shielded sn = non-shielded size option a = 3x4 b = 4x4 c = 1x1 f = 1x4 c ircuitry option b2 = matrix in-line pins c2 = single pole/common bus, in-line pins 84ls- ac2-113-n mounting nut option n = provided with hex nuts for mounting blank = nuts not provided standard legend choices 3x4 size, choose -112 or -113 4x4 size, choose -014 or -016 1x4 size, choose -301 or -302 1x1 size, choose -201 shielding e ffectiveness results shown are typical for a standard grayhill series 84ls keyboard. a conductive gasket will generally increase the shielding, depending on the size and shape of the gasket and its material. data derived for e-field radiation. frequency r ating mhz in db 0.1 66.2 10 94.8 100 89.0 400 70.6 800 42.5 2,000 39.5 6,000 32.6 10,000 45.2 18,000 42.2 t est method: measurements were made with the keyboard mounted to a brass plate, which in turn was mounted to a shielded enclosure containing the receiving equipment. a signal generator provided 100 80 60 40 20 0 shielding effectiveness of 84s-ac2 db 0.1 10 100 400 800 2000 6000 10000 18000 mhz represents shielding effectiveness greater than or equal to line. the frequency source that was radiated from the transmitting antenna to the enclosed receiving antenna. the spacing between antennas was maintained constant throughout the frequency range. the effectiveness rating is determined by establishing a reference reading without obstruction between the two antennas and determining the difference between that reading and the test setup reading. note: when measured in actual equipment, shielding effectiveness is determined by many factors. this method accurately represents the shielding effectiveness of the grayhill series 84ls under ideal test conditions. -112 -014 -113 -016 stan d ard legends a vailable through grayhill distributors to order one of the confgurations below, use the dash number shown here; select the keypad size and code, and order the part number with the appropriate legend dash number. ordering inf ormation 12 3 45 6 78 9 0 ab c d e f 0 12 3 45 6 78 9 oper 0 12 abc 3 def 4 ghi 5 jkl 6 mno 7 prs wxy 9 8 tuv a b c d oper 0 12 abc 3 def 4 ghi 5 jkl 6 mno 7 prs wxy 9 8 tuv cus tom legends any reasonable legend can be printed in the key area. fax a sketch of your requirements to grayhill. printing and symbols will be coordinated in keeping with concepts of good design. or, if required, the details of your submitted artwork will be matched as closely as possible. allow 3 to 4 weeks for custom legend delivery. a nominal charge, depending on the total quantity of keypads ordered and the complexity of the legend, will be assessed. header c onnectors c ompatible with: samtec, inc. header series bcs, bsw, ces, esw, esq, slw, ssw, ssq, idss and idsd or equivalent. a vailable from your local grayhill distributor. for prices and discounts, contact a local sales offce, an authorized local distributor or grayhill. 1 2 3 4 a b c d -301 -302 1 2 3 4 a b c d -201
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