Datasheet

© 1999 Fairchild Semiconductor Corporation www.fairchildsemi.com
NC7WZ14 • Rev. 1.0.7 5
NC7WZ14 — TinyLogic
®
UHS Dual Inverter with Schmitt Trigger Inputs
AC Electrical Characteristics
Symbol Parameter V
CC
(V) Conditions
T
A
=+25°C
T
A
=-40 to
+85°C
T
A
=-40 to
+125°C
Units Figure
Min. Typ. Max. Min. Max. Min. Max.
t
PLH
, t
PHL
Propagation Delay
1.65
C
L
=15pF,
R
L
=1M
2.5 7.6 13.1 2.5 14.5 2.5 14.7
ns
Figure 5
Figure 6
1.80 2.5 6.3 10.9 2.5 12.0 2.5 12.3
2.50 ± 0.20 1.8 4.3 7.4 1.8 8.1 1.8 8.4
3.30 ± 0.30 1.5 3.3 5.0 1.5 5.5 1.5 5.8
5.00 ± 0.50 1.0 2.7 4.1 1.0 4.5 1.0 4.8
3.30 ± 0.30
C
L
=50pF,
R
L
=500
1.8 4.0 6.0 1.8 6.6 1.8 6.9
Figure 5
Figure 6
5.00 ± 0.50 1.2 3.2 4.9 1.2 5.4 1.2 5.7
C
IN
Input Capacitance 0.00 2.5 pF
C
PD
Power Dissipation
Capacitance
(4)
3.30
11.0
pF Figure 7
5.00 12.5
Note:
4. C
PD
is defined as the value of the internal equivalent capacitance which is derived from dynamic operating
current consumption (I
CCD
) at no output loading and operating at 50% duty cycle. C
PD
is related to I
CCD
dynamic
operating current by the expression: I
CCD
=(C
PD
)(V
CC
)(f
IN
)+(I
CC
static).
Note:
5. CL includes load and stray capacitance;
Input PRR=1.0MHz; t
W
=500ns
Figure 5. AC Test Circuit Figure 6. AC Waveforms
Note:
6. Input=AC Waveform; t
r
=t
f
=1.8ns; PRR=variable; Duty Cycle =50%.
Figure 7. I
CCD
Test Circuit