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
DIMENSIONS ininches(andmillimeters)
Termination ininches(andmillimeters)
3x4 Matrix Output Single Pole/Common Bus
3x4 Keyboard
SERIES 84
Unsealed, .750" Centers
FEATURES
•3/4"ButtonCenters
•PostMounted
•MountsbyGroovelessRetaining
RingsorHeatUpsetPost
•Snap-DomeContactProvides
PositiveFeedback
123
456
789
10 11 12
.350–.010
(8,89–0,25)
.570–.010
(14,48–0,25)
COL1
COL2
COL3
ROW1
ROW2
ROW3
ROW4
.366(9,30)
SQ.BUTTON
.750–.010
(19,05–0,25)
(3EQ.SPS)
TOL.NON-
ACCUM.
..375–.010
(9,53–0,25)
.750–.010(19,05–0,25)
(2EQ.SPS.)TOL.NON-
ACCUM.
.375–.010
(9,53–0,25)
SWITCHKEY
IDENTIFICATION
(FORREF.ONLY)
COL=COLUMN
2.130–.010
(54,10–0,25)
2.250–.015
(57,15–0,38)
.060–.010
(1,52–0,25)
2.880
–.010
(73,15
–0,25)
3.000
–.015
(76,2
–0,38)
BUTTON
NO.1
MOUNTING
POSTS
.086(2,18)DIA.
4PLACES
RETAINING
STUDS
.096(2,44)
.050(1,27)
.025–.002
(0,64–0,05)
.330–.010
(8,38–0,25)
BUTTON
NO.1
RETAINING
STUDS
PNMLKJ
GFEDCBA
.100(2,54)
TYP.
1.513
–.010
(38,43
–0,25)
.750–.010
(19,05–0,25)
.688–.010
(17,48–0,25)
.765–.010
(19,43–0,25)
.100(2,54)
TYP.
.025–.002
(0,64–0,05)
.330–.010
(8,38–0,25)
BUTTON
NO.1
RETAINING
STUDS
G F E
DCBA
.750–.010
(19,05–0,25)
.688–.010
(17,48–0,25)
1.240–.010
(31,50–0,25)
.100(2,54)
TYP.
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
DIMENSIONS ininches(andmillimeters)
4x4 Keyboard
4x4 Matrix Output Single Pole/Common Bus
Termination ininches(andmillimeters)
SERIES 84
Unsealed, .750" Centers
FEATURES
•3/4"ButtonCenters
•PostMounted
•MountsbyGroovelessRetaining
RingorHeatUpsetPost
•Snap-DomeContactProvides
PositiveFeedback
.350–.010
(8,89–0,25)
.570–.010
(14,48–0,25)
123
567
910 11
13 14 15
COL1
COL2
COL3
COL4
ROW1
ROW2
ROW3
ROW4
.366(9,30)
SQ.BUTTON
.750–.010
(19,05–0,25)
(3EQ.SPS)
TOL.NON-
ACCUM.
.375–.010
(9,53–0,25)
.750–.010(19,05–0,25)
(3EQ.SPS.)TOL.NON-
ACCUM.
.375–.010
(9,53–0,25)
SWITCHKEY
IDENTIFICATION
(FORREF.ONLY)
COL=COLUMN
4
8
12
16
2.880–.010
(73,15–0,25) .060–.010
(1,52–0,25)
2.880
–.010
(73,15
–0,25)
3.000
+.010
.020
(76,2
+0,25
0,51)
BUTTON
NO.1
MOUNTING
POSTS
.086(2,18)DIA.
4PLACES
RETAINING
STUDS
3.000+.010 .020
(76,2+0,25 0,51)
.096(2,44)
.050(1,27)
BUTTON
NO.1
RETAINING
STUDS
HGFEDCBA
UTSRPNMLK
.100(2,54)
TYP.
1.313–.010
(33,35–0,25)
1.500–.010
(38,1–0,25)
.690–.010
(17,53–0,25)
.765–.010
(19,43–0,25)
.100(2,54)
TYP.
BUTTON
NO.1
RETAINING
STUDS
DCBA
H G F E
.100(2,54)
TYP.
1.190–.010
(30,23–0,25)
1.500–.010
(38,1–0,25)
.025–.002
(0,64–0,05)
SQUARE
TERMINAL
.330–.010
(8,38–0,25)
.690
–.010
(17,53
–0,25)
.025–.002
(0,64–0,05)
SQUARE
TERMINAL
.330–.010
(8,38–0,25)
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
CODE AND TRUTH TABLES
SPECIFICATIONS
Rating Criteria
Rating at 24 Vdc:10milliamps,resistive
Contact Resistance: Compatible with MOS,
TTLandDTL(10ohmsmaximum)
Voltage Breakdown:250Vacbetweenmutually
insulatedparts
Life Expectancy:3,000,000operationsper
button
12 Button Keypads 16 Button Keypads
Dotsinthechartindicateconnectedterminalswhenswitchisclosed.
Terminalsareidentiedonthekeyboard.
•
1
2
3
4
5
6
7
8
9
10
11
12
•
•
•
CODES
3x4
Matrix Single Pole/Common Bus
TERMINAL LOCATION
BUTTON LOCATION
•
•
•
•
•
•
•












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
EFDCABGH
KLABNMCDPRFETUHGS
•
•
•
•
•
•
















ECDABFGKJBMLCNEDPGFA
Contact Bounce:Lessthan4millisecondsat
make,10millisecondsatbreak
Operating Temperature: -40°Cto+80°C
Materials and Finishes
Housing: Polycarbonate/ABS blend, black;
meetsUL94V-O
Buttons: ABS plastic, white. Legends are
black.
Snap-On-Cap:Clearpolycarbonate
Contact Dome: Stainless steel, selectively
gold-plated
Terminals:Phosphorbronze
Operating Features
Button Travel:0.015"(0,38mm)nominaltotal
travel
Typical Operating Force:350grams
STANDARD LEGENDS
Insertable legend version (legend numbers
-101 and -001) has a removable cap. The
revealedbuttonsurfacecanbelegendedby
aninsertoradrytransferofablanklegend
-003 (Molded-in) -004 (Molded-in) -005 (Molded-in) -006 (Molded-in)
-101 (Insertable) -102 (Molded-in) -103 (Molded-in) -001 (Insertable) -002 (Molded-in)
12
3
45
6
78
9
0
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
02
F
B
7
3
1
CD
E
89
A
45
6
CE
3
7
B
F
D
01
2
45
6
89
A
AB
F
E
D
C
0
12
3
45
6
78
9
AB
C
D
E
F
0
12
3
45
6
78
9
insert. This surface can also be ink stamped
byGrayhillinhighervolumequantities.When
the cap is replaced, the assembly extends
approximately.015"(0,38mm)abovethesurface.
Thelegendsheetinformationfollowsthelegend
presentation. All other legends incorporate
molded-in(twoshot)legends.
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
INSERTABLE LEGEND SHEETS
For use with -101 or -001 legend option.
Legendsarediecuttotbuttonsurfacewhen
cap is removed. Dry transfer legends offer
someexibilitytocustomizetheblankinserts
includedonthesheetofpopularlegendletters,
wordsandsymbolsprovidedorontheinsertable
legendssheet.
PRINTED LEGENDS
For Maximum Versatility
Printingallowsyoutheexibilitytocreateyour
ownlegendusingwholewordsandsymbolswith
varioustypestyles.Durableepoxyinkprinting
bondstothebuttoncapsurface.Therearetwo
typesofbuttoncapprinting:
Top Surface Printing:Legendisapplieddirectly
tothetopofthebutton.Buttonisrecessedslightly
belowthekeyboardhousing.
Sub-Surface Printing: For insertable legend
models. Provides maximum wear for printed
surfaces.Printedinternalbuttoncapisprotected
byclearsnap-oncap.
Printed Typestyles: The typestyle chart
illustrates type style, size and approximate
characterlimitsforbuttoncaps.Grayhill'slibrary
oftypefacesincludesmostpopularlegends.
ORDERING INFORMATION:
Special Legends
Followthisprocedure:
1. Basic Keyboard.Formulatethepartnumber
withtheexceptionofthelegendsufx.
2. Mounting. Standard mounting is shown in
our dimensional drawings.These drawings
relatetheterminallocationtothebuttonlegend
orientation.Itispossibletorotatethebutton
legends by 90°, changing the orientation.
Whenmountingthekeypad,itwouldberotated
90°tohavethelegendsappearupright.A3x4
keypadthusbecomesa4x3.
3. Color.Manycolors,otherthanourstandard
blackhousing,areavailable.Buttonscanbe
made from equivalent plastic in black, red,
green,blueandyellow.Whitelegendsareused
withdarkcolorbuttons,blackwithlightones.
Othercolorsavailableonspecialorder.
4. Buttons.Legendscanbeprintedonbutton
surfaceandprotectedbya snap-on capin
a similar fashion to our insertable legend
types. A second option is printing a‘blank’
button.(Onethathasthesamedimensions
asamolded-inlegendbuttonwithaattop
surface.)Disadvantageislegendwearover
time. A third option is molded-in legends,
usuallyrequiringtooling.Moldedbuttonsare
availablewithaatorconcavetopsurface.
5. Legends.Specifythelegendrequirements
for each button. Identify buttons per our
dimensionaldrawings.Cautionifkeypadhas
beenrotated.
Description Part Number
SheetofLegendInserts 87AC2046
DryTransferLettering,Small 87-DT-2096-088
DryTransferLettering,Medium 87-DT-2096-125
DryTransferLettering,Large 87-DT-2096-187
Forpricesanddiscounts,contactalocalSalesOfce,anauthorizedlocalDistributor,orGrayhill.
Type No. Sample Style Sub Surface Top Surface
and Typical and Typical Character and Character and
Height Sizes Line Limitations Line Limitations
ABCDEFGH
ABCDE
ABCD
ABC
4GH088
.083"
1GH125
.138"
3GH187
.207"
2GH250
.276"
4Characters
2Lines
3Characters
1Line
2Characters
1Line
N/A N/A
4Characters
2Lines
3Characters
1Line
2Characters
1Line
2Characters
1Line
END
DATA
LAD
ON
END
DATA
LAD
ON
15
ORDERING INFORMATION

Grayhill Series Number
Size Option
A=3x4
B=4x4
Circuitry Option
B1=Matrixcode
C1=Singlepole/commonbus
84AB1–103 
Standard Legend Choices
3x4Size:-101,-102or-103
4x4Size:-001,-002,-003,-004,-005or-006
Available from your local Grayhill Distributor.Forpricesanddiscounts,contactalocalSales
Ofce,anauthorizedlocalDistributororGrayhill.
Mouser Electronics
Authorized Distributor
Click to View Pricing, Inventory, Delivery & Lifecycle Information:
Grayhill:
84BC1-003 84BC1-006 84AC1-101 84BC1-004 84AB1-102 84AB1-103 84AC1-102 84BC1-005 84AC1-103
84BC1-002 84AB1-101 84BC1-001