Datasheet
© 1999 Fairchild Semiconductor Corporation www.fairchildsemi.com
NC7WZ17 • Rev. 1.0.6 5
NC7WZ17 — TinyLogic
®
UHS Dual Buffer with Schmitt Trigger Inputs
AC Electrical Characteristics
Symbol Parameter V
CC
(V) Conditions
T
A
=25°C
T
A
=-40 to
85°C
Units Figure
Min. Typ. Max. Min. Max.
t
PLH
, t
PHL
Propagation Delay
1.65
C
L
=15pF,
R
L
=1M
2.0 8.3 14.3 2.0 15.8
ns
Figure 5
Figure 6
1.80 2.0 6.9 11.9 2.0 13.1
2.50 ± 0.20 1.5 4.8 8.2 1.5 9.0
3.30 ± 0.30 1.0 3.7 5.6 1.0 6.2
5.00 ± 0.50 0.8 3.0 4.7 0.8 5.2
3.30 ± 0.30
C
L
=50pF,
R
L
=500
1.5 4.3 6.6 1.5 7.3
Figure 5
Figure 6
5.00 ± 0.50 1.0 3.6 5.6 1.0 6.2
C
IN
Input Capacitance 0.00 2.5 pF
C
PD
Power Dissipation
Capacitance
(4)
3.30
10.0
pF Figure 7
5.00 12.0
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
CCstatic
).
Input
Outpu
t
V
CC
R
L
C
L
Note:
5. C
L
includes load and stray capacitance;
Input PRR=1.0MHz; t
W
=500ns
t
r
= 3ns
t
PLH
Input
Output
t
f
= 3ns
V
OH
90%
50% 50%
90%
10% 10%
50% 50%
t
PHL
t
W
V
OL
V
CC
GND
Figure 5. AC Test Circuit Figure 6. AC Waveforms
V
CC
A
Input
Note:
6. Input=AC Waveform; t
r
=t
f
=1.8ns; PRR=10MHz; Duty Cycle =50%.
Figure 7. I
CCD
Test Circuit