HIGH-SPEED
LOGIC-TO-LOGIC OPTOCOUPLERS
LSTTL TO
Figure 13. Input Threshold Voltage vs. Ambient Temperature
1.6
1.5
1.4
1.3
1.2
1.1
VCCI = 5.0V
1.0
VCCO = 5.0V
0.0
-40
-20
0 20
40 60 80 100
TA - AMBIENT TEMPERATURE (°C)
TTL BUFFER
TTL INVERTER
CMOS BUFFER
CMOS INVERTER
74OL6000
74OL6001
74OL6010
74OL6011
Figure 14. Input Current vs. Input Voltage
100
0
-100
-200
-300
0
VCCI = 4.5V
1
2
3
4
5
6
VIN - INPUT VOLTAGE (V)
Figure 15. Switching Time Test Circuit
VCCI
+5 V
PULSE
GEN
PW =200ns
PERIOD = 1µS
tr = 5ns
Zo = 50Ω
1
.1µF
2
3
6
VCCO
+5 V
.1µF
470Ω (74OL6010/11)
5
VO
CL*
4
*CL = 15pF STRAY CAPACITANCE
INCLUDING PROBE
Figure 16. Common Mode Rejection Test Circuit
VCCO
+5 V
1
.1µF
H/L 1kΩ
2
L/H
6
.1µF
5
470Ω (74OL6010/11)
3
6
+
-
VCM
© 2003 Fairchild Semiconductor Corporation
Page 9 of 15
3/19/03