74HCT14 Philips, 74HCT14 Datasheet - Page 4

• Manufacturer Part Number: 74HCT14
• Description: Hex inverting Schmitt trigger
• Manufacturer: Philips

Philips Semiconductors
DC CHARACTERISTICS FOR 74HC
For the DC characteristics see
given below.
Output capability: standard
I
Transfer characteristics for 74HC
Voltages are referenced to GND (ground = 0 V)
AC CHARACTERISTICS FOR 74HC
GND = 0 V; t
September 1993
CC
SYMBOL PARAMETER
V
V
V
SYMBOL PARAMETER
t
t
PHL
THL
T
T
H
Hex inverting Schmitt trigger
+
category: SSI
/ t
/ t
TLH
PLH
positive-going
threshold
negative-going
threshold
hysteresis
(V
propagation delay
output transition
time
f
= t
nA to nY
T
+
f
= 6 ns; C
V
T
)
L
= 50 pF
“74HC/HCT/HCU/HCMOS Logic Family Specifications”
0.7
1.7
2.1
0.3
0.9
1.2
0.2
0.4
0.6
min.
min.
1.18
2.38
3.14
0.52
1.40
1.89
0.66
0.98
1.25
41
15
12
19
7
6
typ.
typ.
+25
+25
1.5
3.15
4.2
0.90
2.00
2.60
1.0
1.4
1.6
125
25
21
75
15
13
max.
max.
T
T
amb
0.7
1.7
2.1
0.3
0.90
1.20
0.2
0.4
0.6
amb
min.
min.
74HC
74HC
4
40 to +85
40 to +85
( C)
( C)
1.5
3.15
4.2
0.90
2.00
2.60
1.0
1.4
1.6
155
31
26
95
19
15
max.
max.
0.7
1.7
2.1
0.30
0.90
1.2
0.2
0.4
0.6
min.
min.
40 to +125
40 to +125
1.5
3.15
4.2
0.90
2.00
2.60
1.0
1.4
1.6
190
38
32
110
22
19
max.
max.
. Transfer characteristics are
V
V
V
ns
ns
UNIT
UNIT
74HC/HCT14
2.0
4.5
6.0
2.0
4.5
6.0
2.0
4.5
6.0
2.0
4.5
6.0
2.0
4.5
6.0
V
V
TEST CONDITIONS
TEST CONDITIONS
(V)
(V)
Product specification
CC
CC
WAVEFORMS
Figs 6 and 7
Figs 6 and 7
Figs 6 and 7
WAVEFORMS
Fig.8
Fig.8