27944 Parallax Inc, 27944 Datasheet - Page 2

• Manufacturer Part Number: 27944
• Description: KEYPAD MATRIX 4X4
• Manufacturer: Parallax Inc
• Series: 96r

Specifications of 27944

• Switch Type: Conductive Rubber
• Number Of Keys: 16
• Matrix (columns X Rows): 4 x 4
• Output Type: Matrix
• Key Type: Polymer
• Legend: Telephone Format
• Interchangeable Legends: No
• Illumination: Non-Illuminated
• Seal Rating: IP40
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• For Use With: 27963 - SOLUTIONS CUBED: MEMKEY
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

C-5
DIMENSIONS
3x4 Front Mount Keyboard
3x4 Rear Mount Keyboard
2.690
+ .000
–.005
(68,33
+ 0,00
–0,13
(12,7)
FRONT
PANEL
MOUNT
CUTOUT
REAR
PANEL
MOUNT
CUTOUT
.495 (12,57)
.500
.500 (12,7)
.500 (12,7)
(60,96)
(7,82) SQ.
.125 (3,18) DIA.
2 PLS.
2.400
BUTTON
12 PLS.
(15,11)
(71,12)
.595
.308
2.800
.093 (2,36) DIA., 4 PLS. OR
2-56 X .250 (6,35) LONG STUD
(50,8 ± 0,38)
2.000 ± .015
10
1
4
7
An ISO-9001 Company
(43,18)
(25,4)
.500
(12,7)
1.000
1.700
(55,88 ± 0,38)
11
2
5
8
2.200 ± .015
2.000 (50,8)
10
2.000 (50,8)
1
4
7
In inches (and millimeters)
.150 + .000
–.005 R.
(3,81 + 0,00
–0,13)
4 PLS.
.600 (15,24)
(25,4)
1.000
12
3
6
9
11
2
5
8
12
3
6
9
.062 (1,57) R.
2 PLS.
(12,7)
.308 (7,82) SQ.
BUTTON 12 PLS.
.500
SWITCH POSITION
IDENTIFICATION
.125 (3,18) MAXIMUM
PANEL THICKNESS
RECOMMENDED
1.000
(25,4)
(3,18)
(68,58)
(12,7)
.125
1.990 + .000 –.005
(50,55 + 0,00 –0,13)
.500
2.700
.150 (3,81) R.
4 CORNERS
2.800 (71,12)
SW. POS. ID
(76,2 ± 0,38)
(15,24)
3.000 ± .015
(16,51)
1.500
(38,1)
.600
1.000
.650
(25,4)
561 Hillgrove Avenue • LaGrange, Illinois 60525 • USA • Phone: [phone] • Fax: [phone] • http://www.grayhill.com
.150 (3,81) R.
4 PLS.
.050
(1,27)
.062 (1,57) MAXIMUM
PANEL THICKNESS
RECOMMENDED
(19,05)
(38,1)
(68,58
± 0,38)
1.500
2.700
± .015
.750
.075 (1,91)
BUTTON
HEIGHT
.020 (0,51)
HIGH
BUTTON
GUARD
.250 (6,35)
4 PLS.
.200 (5,08)
.062 (1,57)
.200 (5,08)
.075 (1,91)
BUTTON
HEIGHT
.020 (0,51)
HIGH
BUTTON
GUARD
REF. TERMINAL
PIN HEADER
REF. TERMINAL
.098 (2,49)
PIN HEADER
.098 (2,49)
.600 (15,24)
.600 (15,24)
.093 (2,36)
DIA. 4 PLS.
Matrix Output
Matrix Output
LABEL
7 6 5 4 3 2 1
GRAYHILL INC
7 6 5 4 3 2 1
.100 (2,54)
DIA. 4 PLS.
LABEL
GRAYHILL INC
(43,18)
1.700
TERMINAL PIN
IDENTIFICATION
.025 ± .002
(0,64 ± 0,05) SQ. PIN
.100 (2,54) REF.
TERMINAL
PIN HEADER
.100 (2,54) TYP.
TERMINAL PIN
IDENTIFICATION
.100 (2,54) TYP.
.100 (2,54) REF.
TERMINAL
PIN HEADER
.025 ± .002
(0,64 ± 0,05) SQ. PIN
.100 (2,54) R.
4 PLS.
.700 (17,78)
(0,76)
.030
(0,76)
(60,96)
.030
.550
(13,97)
2.400
(5,08)
.200
.150
(3,81)
(3,81)
(8,64 ± 0,38)
.150
.340 ± .015
(8,64 ± 0,38)
REF. TERMINAL
.340 ± .015
PIN HEADER
REF. TERMINAL
.098 (2,49)
See page C-7 for code and truth tables, specifica-
tions, standard legends and ordering information.
PIN HEADER
1.200 (30,48)
.098 (2,49)
1.200 (30,48)
Single Pole/Common Bus
Single Pole/Common Bus
.093 (2,36)
DIA. 4 PLS.
3 2 1 0 9 8 7 6 5 4 3 2 1
3 2 1
3 2 1
LABEL
.100 (2,54)
DIA. 4 PLS.
GRAYHILL INC
3 2 1 0 9 8 7 6 5 4 3 2 1
LABEL
GRAYHILL INC
9 8 7 6 5 4 3 2 1
(43,18)
1.700
.025 ± .002
(0,64 ± 0,05) SQ. PIN
9 8 7 6 5 4 3 2 1
.025 ± .002
(0,64 ± 0,05) SQ. PIN
.100 (2,54) TYP.
.100 (2,54) REF.
TERMINAL
PIN HEADER
TERMINAL PIN
IDENTIFICATION
.100 (2,54) REF.
TERMINAL
PIN HEADER
TERMINAL PIN
IDENTIFICATION
.100 (2,54) TYP.
.100 (2,54) R.
4 PLS.
(0,76)
(60,96)
(0,76)
.030
.250
(6,35)
2.400
.400 (10,16)
.030
.150
(3,81)
(5,08)
.200
(3,81)
.150
(8,64 ± 0,38)
(8,64 ± 0,38)
.340 ± .015
.340 ± .015