74LVC14A Philips, 74LVC14A Datasheet - Page 6

• Manufacturer Part Number: 74LVC14A
• Description: Hex inverting Schmitt-trigger with 5V tolerant input
• Manufacturer: Philips

1. These typical values are at V
Philips Semiconductors
AC CHARACTERISTICS
GND = 0 V; t
NOTE:
AC WAVEFORMS
V
V
V
output load.
TEST CIRCUIT
1998 Apr 28
SYMBOL
M
M
OL
Hex inverting Schmitt-trigger with 5V
tolerant input
GENERATOR
t
= 1.5 V at V
= 0.5 S V
t
PHL
PLH
and V
Figure 1. Input (nA) to output (nY) propagation delays.
PULSE
/
nY OUTPUT
OH
Figure 2. Load circuitry for switching times.
nA INPUT
2.7V – 3.6V
CC
r
t 2.7V
are the typical output voltage drop that occur with the
= t
V
CC
Propagation delay
at V
GND
CC
V
nA to nY
V
f
V
OH
OL
v 2.5 ns; C
PARAMETER
V
I
w 2.7 V
I
CC
< 2.7 V
R
2.7V
V
T
V
CC
D.U.T.
I
V
V
CC
M
L
= 50 pF; R
V
CC
M
t
PHL
= 3.3V and T
V
O
C
t
t
t
PLH
PHZ
PLZ
L
WAVEFORM
Test
L
Figure 1, 2
/t
/t
/t
= 500W; T
PZL
PZH
PHL
50pF
amb
2 x V
Open
SV00395
GND
= 25 C.
S
t
500
500
amb
PLH
1
S
CC
1
= –40_C to +85_C
SY00003
MIN
2 x V
Open
GND
1.5
V
CC
CC
= 3.3V 0.3V
TYP
4.5
6
1
APPLICATION INFORMATION
All values given are typical unless otherwise specified.
Note to Figure 7: f + 1
MAX
Figure 3. Average I
6.4
average
Figure 4. Relaxation oscillator using the LVC14.
(mA)
I CC
linear change of V
MIN
C
1.5
2.0
1.5
1.0
0.5
LIMITS
1.5
V
T
CC
[
TYP
1.8
5.0
= 2.7V
CC
0.8
R
for LVC Schmitt-trigger devices;
2.1
1
i
between 0.8 V to 2.0 V.
MAX
RC
2.4
7.5
positive-going
2.7
edge
SV00433
V
3.0
CC
74LVC14A
negative-going
Product specification
TYP
18
= 1.2V
3.3
edge
V CC (V)
SV00445
3.6
UNIT
ns