SN5414, SN54LS14,
SN7414, SN74LS14
HEX SCHMITT-TRIGGER INVERTERS
SDLS049B – DECEMBER 1983 – REVISED FEBRUARY 2002
switching characteristics, V
= 5 V, T = 25°C (see Figure 1)
A
CC
SN5414
SN7414
FROM
TO
(OUTPUT)
PARAMETER
(INPUT)
TEST CONDITIONS
UNIT
MIN
TYP
MAX
t
15
15
22
22
PLH
A
Y
R
= 400 Ω,
C
= 15 pF
L
ns
L
t
PHL
recommended operating conditions
SN54LS14
MIN NOM
SN74LS14
UNIT
MAX
5.5
MIN NOM
MAX
5.25
–0.4
8
V
Supply voltage
4.5
5
4.75
5
V
CC
OH
OL
I
I
High-level output current
Low-level output current
Operating free-air temperature
–0.4
4
mA
mA
°C
T
A
–55
125
0
70
electrical characteristics over recommended operating free-air temperature range (unless
otherwise noted)
SN54LS14
SN74LS14
†
PARAMETER
UNIT
TEST CONDITIONS
‡
‡
MIN TYP
MAX
1.9
1
MIN TYP
MAX
1.9
1
V
T+
V
V
= 5 V
= 5 V
1.4
0.5
1.6
0.8
1.4
0.5
1.6
0.8
V
V
CC
V
T–
CC
Hysteresis
(V – V
V
CC
= 5 V
0.4
0.8
0.4
0.8
V
)
T–
T+
V
V
V
V
= MIN,
= MIN,
I = –18 mA
–1.5
–1.5
V
V
IK
CC
I
V = 0.5 V,
I
I
I
I
= –0.4 mA
2.5
3.4
2.7
3.4
0.25
OH
CC
OH
= 4 mA
0.25
0.4
0.4
0.5
OL
OL
V
OL
V
CC
= MIN,
V = –1.9 V
I
V
= 8 mA
0.35
I
I
I
I
I
I
I
I
V
CC
V
CC
V
CC
V
CC
V
CC
V
CC
V
CC
V
CC
= 5 V,
V = V
–0.14
–0.18
–0.14
–0.18
mA
mA
mA
µA
T+
I
T+
= 5 V,
V = V
I T–
T–
I
= MAX,
= MAX,
= MAX,
= MAX
= MAX
= MAX
V = 7 V
I
0.1
20
0.1
20
V
= 2.7 V
= 0.4 V
IH
IL
IH
IL
V
–0.4
–100
16
–0.4
–100
16
mA
mA
mA
mA
§
–20
–20
OS
8.6
12
8.6
12
CCH
CCL
21
21
†
‡
§
For conditions shown as MIN or MAX, use the appropriate value specified under recommended operating conditions.
All typical values are at V = 5 V, T = 25°C.
Not more than one output should be shorted at a time, and duration of the short-circuit should not exceed one second.
CC
A
switching characteristics, V
= 5 V, T = 25°C (see Figure 2)
CC
A
FROM
PARAMETER
TO
(OUTPUT)
TEST CONDITIONS
MIN
TYP
MAX
UNIT
(INPUT)
t
15
15
22
22
PLH
A
Y
R
= 2 kΩ,
C
= 15 pF
L
ns
L
t
PHL
5
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