NL37WZ14
http://onsemi.com
4
tr = 3 ns
VCC
GND
VOH
VOL
90%
50%
10%
50%
tPLH
tPHL
OUTPUT Y
INPUT
A and B
tf = 3 ns
90%
50%
10%
50%
Figure 3. Switching Waveforms
Figure 4. Test Circuit
INPUT
RL
CL*
A 1MHz square input wave is recommended for
propagation delay tests.
*CL includes all probe and jig capacitances.
OUTPUT
Figure 5. Typical Input Threshold, VT), VT* versus Power Supply Voltage
VHtyp
VCC, POWER SUPPLY VOLTAGE (VOLTS)
23
1
2
3
4
V
T
,TYPICAL
INPUT
THRESHOLD
VOL
TAGE
(VOL
TS)
VHtyp = (VT) typ) (VT* typ)
(VT))
(VT*)
2.5
3.5 3.6
VH
Vin
Vout
VCC
VT)
VT*
GND
VOH
VOL
VH
Vin
Vout
VCC
VT)
VT*
GND
VOH
VOL
(a) A SchmittTrigger Squares Up Inputs With
Slow Rise and Fall Times
(b) A SchmittTrigger Offers Maximum Noise Immunity
Figure 6. Typical SchmittTrigger Applications