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H21L1 Datasheet, PDF (1/3 Pages) List of Unclassifed Manufacturers – ISO - LOGIC INVERTER SCHMITT TRIGGER INTERRUPTER SWITCH
H21L1, H21L2
H22L1, H22L2
ISO - LOGIC INVERTER
SCHMITT TRIGGER
INTERRUPTER SWITCH
DESCRIPTION
H22L1
H22L2
The H21L_ and H22L_ series of transmissive
photointerrupters are single channel switches
1
consisting of a Gallium Arsenide infrared
2
emitting diode coupled to a high speed integrated
E
circuit detector. The output incorporates a
Schmitt trigger which provides hysteresis for
noise immunity and pulse shaping. The gap in
12.7
3.0
the plastic housing provides a means of
interrupting the signal with an opaque material, 9.0
switching the output from an 'ON' into an 'OFF' 8.0
state.
5
4
3
11.1
10.5
FEATURES
l Built in Schmitt trigger circuit
l Open collector output
l High sensitivity
l 3mm gap between LED and detector
l 1mm aperture over LED and detector
APPLICATIONS
l Floppy disk drives, Copiers, Printers,
Facsimilies, VCR's, Cassette tape
Recorders, Automatic vending machines
7.62
H21L1
H21L2
25.7
1
24.1
19.05
0.45
0.40
5
E
Voltage Regulator
2
4
12.7
3.0
3
2
3 VCC
9.0
8.0
11.1
10.5
4 Out
0.45
0.40
1
Amp
5 GND
7.62
Dimensions in mm
pin 3 VCC
2
pin 4 VO
1
6.6 pin 5 GND
3.3
3.0
2.8
OPTICAL
CENTRE
LINE
2.54
pin 3 VCC
pin 4 VO
2
1
6.6
pin 5 GND
3.3
3.0
2.8
OPTIC AL
CENTRE
LINE
2.54
ISOCOM COMPONENTS LTD
Unit 25B, Park View Road West,
Park View Industrial Estate, Brenda Road
Hartlepool, Cleveland, TS25 1YD
Tel: (01429) 863609 Fax :(01429) 863581
3/10/97
ISOCOM INC
720 E., Park Boulevard, Suite 104,
Plano, TX 75074 USA
Tel: (972) 423-5521
Fax: (972) 422-4549
DB91085-AAS/A2