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| H21L Datasheet, PDF (3/8 Pages) Fairchild Semiconductor – OPTOLOGIC OPTICAL INTERRUPTER SWITCH | |||
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Electrical/Optical Characteristics (TA = 25°C)
Symbol
Parameter
Test Conditions
INPUT (Emitter)
VF
Forward Voltage
IF = 20mA
IR
Reverse Leakage Current VR = 5 V
OUTPUT (Sensor)
ICC
Supply Current
VCC = 5 V
COUPLED
VOL
Low Level Output Voltage IF = 0mA, VCC = 5V, IOL = 16mA
H21LTB, H21LOB
Low Level Output Voltage
H21LTI, H21LOI
IF = 15mA, VCC = 5V, IOL = 16mA
VOH
High Level Output Voltage IF = 15mA, VCC = 5V, IOH = -1mA
H21LTB
High Level Output Voltage
H21LTI
IF = 0mA, VCC = 5V, IOH = -1mA
IOH
High Level Output Current IF = 15mA, VCC = 5 V, VOH = 30V
H21LOB
High Level Output Current IF = 0 mA, VCC = 5 V, VOH = 30 V
H21LOI
IF(+)
Turn on Threshold Current VCC = 5V
IF(-)
Turn off Threshold Current VCC = 5V
IF(+) / IF(-)
tPLH, tPHL
Hysteresis Ratio
Propagation Delay,
H21LOI, H21LOB
VCC = 5V, RL = 300⦠(Fig. 9)
Propagation Delay,
H21LTI, H21LTB
VCC = 5V, RL = 300⦠(Fig. 9)
tr, tf
Output Rise and Fall Time, VCC = 5V, RL = 300⦠(Fig. 9)
H21LOI, H21LOB
Output Rise and Fall Time, VCC = 5V, RL = 300⦠(Fig. 9)
H21LTI, H21LTB
Min. Typ Max. Units
1.5
V
10
µA
5
mA
0.4
V
0.4
2.4
V
2.4
100 µA
100
15 mA
0.50
mA
1.2
6
µs
6
100
ns
70
Input/Output Table
Part Number
H21LTB
H21LTB
H21LTI
H21LTI
H21LOB
H21LOB
H21LOI
H21LOI
LED
On
Off
On
Off
On
Off
On
Off
Output
High
Low
Low
High
High
Low
Low
High
©2004 Fairchild Semiconductor Corporation
H21L Series Rev. 1.1.0
3
www.fairchildsemi.com
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