74LVC02A All information provided in this document is subject to legal disclaimers. © NXP B.V. 2011. All rights reserved.
Product data sheet Rev. 8 — 16 November 2011 6 of 14
NXP Semiconductors
74LVC02A
Quad 2-input NOR gate
11. AC waveforms
V
M
= 1.5 V at V
CC
2.7 V.
V
M
=0.5 V
CC
at V
CC
<2.7V.
V
OL
and V
OH
are typical output voltage levels that occur
with the output load.
Test data is given in Table 8
.
Definitions for test circuit:
R
L
= Load resistance.
C
L
= Load capacitance including jig and probe
capacitance.
R
T
= Termination resistance should be equal to output
impedance Z
o
of the pulse generator.
Fig 6. The input (nA, nB) to output (nY) propagation
delays
Fig 7. Load circuitry for measuring switching times
mna213
nA, nB input
nY output
t
PHL
t
PLH
V
M
V
M
V
OL
V
OH
GND
V
I
V
M
V
M
t
W
t
W
10 %
90 %
0 V
V
I
V
I
negative
pulse
positive
pulse
0 V
V
M
V
M
90 %
10 %
t
f
t
r
t
r
t
f
001aaf615
V
CC
V
I
V
O
DUT
C
L
R
T
R
L
PULSE
GENERATOR
Table 8. Test data
Supply voltage Input Load
V
I
t
r
, t
f
C
L
R
L
1.2 V V
CC
2 ns 30 pF 1 k
1.65 V to 1.95 V V
CC
2 ns 30 pF 1 k
2.3 V to 2.7 V V
CC
2 ns 30 pF 500
2.7V 2.7V 2.5 ns 50 pF 500
3.0Vto3.6V 2.7V 2.5 ns 50 pF 500
