27944 Parallax Inc, 27944 Datasheet - Page 3

• 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

DIMENSIONS
4x4 Front Mount Keyboard
4x4 Rear Mount Keyboard
2.690
+ .000
–.005
(68,33
+ 0,00
–0,13
FRONT
PANEL
MOUNT
CUTOUT
.500
(12,7)
(12,7)
.600 (15,24)
.500
.495 (12,57)
An ISO-9001 Company
.500 (12,7)
.500 (12,7)
(60,96)
.125 (3,18) DIA.
2 PLS.
REAR
PANEL
MOUNT
CUTOUT
2.400
(15,11)
(71,12)
.595
2.800
.093 (2,36) DIA., 4 PLS. OR
2-56 X .250 (6,35) LONG STUD
13
1
5
9
2.500 ± .015
(63,5 ± 0,38)
(25,4)
1.000
10
14
1.500
2
6
(55,88)
(38,1)
13
(7,82) SQ.
2.200
In inches (and millimeters)
1
5
9
(68,58 ± 0,38)
BUTTON
2.700 ± .015
2.500 (63,5)
12 PLS.
1.000
(25,4)
2.500 (63,5)
11
15
3
7
10
14
(38,1)
1.500
2
6
.308
.150 + .000
–.005 R.
(3,81 + 0,00
–0,13)
4 PLS.
561 Hillgrove Avenue • LaGrange, Illinois 60525 • USA • Phone: [phone] • Fax: [phone] • http://www.grayhill.com
12
16
4
8
11
15
3
7
12
16
4
8
(12,7)
.062 (1,57) R.
2 PLS.
.500
.308 (7,82) SQ.
BUTTON 12 PLS.
SWITCH POSITION
IDENTIFICATION
.125 (3,18) MAXIMUM
PANEL THICKNESS
RECOMMENDED
1.000
(25,4)
(12,7)
(3,18)
(68,58)
.500
2.490+ .000 –.005
(63,25 + 0,00 –0,13)
.125
2.700
.150 (3,81) R.
2.800 (71,12)
4 CORNERS
SW. POS. ID
(15,24)
(76,2 ± 0,38)
3.000 ± .015
(16,51)
1.500
(38,1)
.600
1.000
(25,4)
.650
.150 (3,81) R.
4 PLS.
.050
(1,27)
(19,05)
.062 (1,57) MAXIMUM
PANEL THICKNESS
RECOMMENDED
(68,58
± 0,38)
1.500
(38,1)
2.700
± .015
.750
.075 (1,91)
BUTTON
HEIGHT
.020 (0,51)
HIGH
BUTTON
GUARD
.250 (6,35)
4 PLS.
.200 (5,08)
.075 (1,91)
BUTTON
HEIGHT
.020 (0,51)
HIGH
BUTTON
GUARD
.062 (1,57)
.200 (5,08)
REF. TERMINAL
PIN HEADER
REF. TERMINAL
.098 (2,49)
PIN HEADER
.098 (2,49)
.700 (17,78)
Matrix Output
8 7 6 5 4 3 2 1
.700
(17,78)
Matrix Output
.093 (2,36)
DIA. 4 PLS.
LABEL
TERMINAL PIN
IDENTIFICATION
GRAYHILL INC
.100 (2,54) REF.
TERMINAL
PIN HEADER
.100 (2,54)
DIA. 4 PLS.
(55,88)
.100 (2,54) TYP.
2.200
8 7 6 5 4 3 2 1
LABEL
GRAYHILL INC
.025 ± .002
(0,64 ± 0,05) SQ. PIN
TERMINAL PIN
IDENTIFICATION
.025 ± .002
(0,64 ± 0,05) SQ. PIN
.100 (2,54) REF.
TERMINAL
PIN HEADER
.100 (2,54) TYP.
(0,76)
(60,96)
.030
2.400
.750
(19,05)
.100 (2,54) R.
4 PLS.
.150
(3,81)
(0,76)
(5,08)
.030
.900 (22,86)
.200
REF. TERMINAL
(3,81)
.150
PIN HEADER
See page C-7 for code and truth tables, specifica-
tions, standard legends and ordering information.
.098 (2,49)
REF. TERMINAL
.340
± .015
(8,64
± 0,38)
PIN HEADER
.098 (2,49)
.340
± .015
(8,64
± 0,38)
Single Pole/Common Bus
Single Pole/Common Bus
7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1
7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1
.093 (2,36)
DIA. 4 PLS.
TERMINAL PIN
IDENTIFICATION
.100 (2,54) TYP.
.100 (2,54) REF.
TERMINAL
PIN HEADER
7 6
7 6
LABEL
LABEL
GRAYHILL INC
.100 (2,54) REF.
TERMINAL
PIN HEADER
TERMINAL PIN
IDENTIFICATION
.100 (2,54) TYP.
3 2 1
GRAYHILL INC
3 2 1
.100 (2,54)
DIA. 4 PLS.
(40,64)
(55,88)
1.600
2.200
.025 ± .002
(0,64 ± 0,05) SQ. PIN
(40,64)
1.600
9 8 7 6 5 4 3 2 1
.025 ± .002
(0,64 ± 0,05) SQ. PIN
9 8 7 6 5 4 3 2 1
.100 (2,54) R.
4 PLS.
(0,76)
(5,08)
(0,76)
.030
.200
(60,96)
.030
2.400
.250
(6,25)
.400 (10,16)
.150
(3,81)
(3,81)
.150
.340
± .015
(8,64
± 0,38)
.340
± .015
(8,64
± 0,38)
C-6