SN5414, SN54LS14,
SN7414, SN74LS14
HEX SCHMITT-TRIGGER INVERTERS
SDLS049B – DECEMBER 1983 – REVISED FEBRUARY 2002
switching characteristics, V
CC
= 5 V, T
A
= 25°C (see Figure 1)
PARAMETER
tPLH
tPHL
FROM
(INPUT)
TO
(OUTPUT)
TEST CONDITIONS
MIN
RL = 400
Ω
Ω,
CL = 15 pF
F
SN5414
SN7414
TYP
15
15
MAX
22
22
ns
UNIT
A
Y
recommended operating conditions
SN54LS14
MIN
VCC
IOH
IOL
TA
Supply voltage
High-level output current
Low-level output current
Operating free-air temperature
–55
4.5
NOM
5
MAX
5.5
–0.4
4
125
0
SN74LS14
MIN
4.75
NOM
5
MAX
5.25
–0.4
8
70
UNIT
V
mA
mA
°C
electrical characteristics over recommended operating free-air temperature range (unless
otherwise noted)
PARAMETER
VT+
VT–
Hysteresis
(VT+ – VT–)
VIK
VOH
VOL
IT+
IT–
II
IIH
IIL
IOS§
ICCH
ICCL
VCC = 5 V
VCC = 5 V
VCC = 5 V
VCC = MIN,
VCC = MIN,
VCC = MIN
MIN,
VCC = 5 V,
VCC = 5 V,
VCC = MAX,
VCC = MAX,
VCC = MAX,
VCC = MAX
VCC = MAX
VCC = MAX
II = –18 mA
VI = 0.5 V,
VI = –1.9 V
19
VI = VT+
VI = VT–
VI = 7 V
VIH = 2.7 V
VIL = 0.4 V
–20
8.6
12
TEST CONDITIONS†
SN54LS14
MIN TYP‡
MAX
1.4
0.5
0.4
1.6
0.8
0.8
–1.5
IOH = –0.4 mA
IOL= 4 mA
IOL = 8 mA
–0.14
–0.18
0.1
20
–0.4
–100
16
21
–20
8.6
12
2.5
3.4
0.25
0.4
2.7
3.4
0.25
0.35
–0.14
–0.18
0.1
20
–0.4
–100
16
21
0.4
0.5
1.9
1
SN74LS14
MIN TYP‡
MAX
1.4
0.5
0.4
1.6
0.8
0.8
–1.5
1.9
1
UNIT
V
V
V
V
V
V
mA
mA
mA
µA
mA
mA
mA
mA
† For conditions shown as MIN or MAX, use the appropriate value specified under recommended operating conditions.
‡ All typical values are at VCC = 5 V, TA = 25°C.
§ Not more than one output should be shorted at a time, and duration of the short-circuit should not exceed one second.
switching characteristics, V
CC
= 5 V, T
A
= 25°C (see Figure 2)
PARAMETER
tPLH
tPHL
FROM
(INPUT)
A
TO
(OUTPUT)
Y
TEST CONDITIONS
RL = 2 kΩ
kΩ,
CL = 15 pF
F
MIN
TYP
15
15
MAX
22
22
UNIT
ns
POST OFFICE BOX 655303
•
DALLAS, TEXAS 75265
5
TI [ TEXAS INSTRUMENTS ]
