Datasheet

SN74AHC14
SN54AHC14
SCLS238K –OCTOBER 1995–REVISED JUNE 2013 www.ti.com
SWITCHING CHARACTERISTICS
over recommended operating free-air temperature range, V
CC
= 5 V ± 0.5 V (unless otherwise noted) (see Figure 1)
T
A
= –40°C to
T
A
= –55°C to
125°C
T
A
= –40°C to 85°C
125°C
T
A
= 25°C
FROM TO OUTPUT
Recommended
PARAMETER UNIT
(INPUT) (OUTPUT) CAPACITANCE
SN54AHC14 SN74AHC14 SN74AHC14
TYP MAX MIN MAX MIN MAX MIN MAX
t
PLH
5.5
(1)
8.6
(1)
1
(1)
10
(1)
1 10 1 10
A Y C
L
= 15 pF ns
t
PHL
5.5
(1)
8.6
(1)
1
(1)
10
(1)
1 10 1 10
t
PLH
7 10.6 1 12 1 12 1 12
A Y C
L
= 50 pF ns
t
PHL
7 10.6 1 12 1 12 1 12
(1) On products compliant to MIL-PRF-38535, this parameter is not production tested.
NOISE CHARACTERISTICS
V
CC
= 5 V, C
L
= 50 pF, T
A
= 25°C
(1)
SN74AHC14 UNIT
PARAMETER
MIN TYP MAX
V
OL(P)
Quiet output, maximum dynamic V
OL
0.8 V
V
OL(V)
Quiet output, minimum dynamic V
OL
–0.4 V
V
OH(V)
Quiet output, minimum dynamic V
OH
4.6 V
V
IH(D)
High-level dynamic input voltage 3.5 V
V
IL(D)
Low-level dynamic input voltage 1.5 V
(1) Characteristics are for surface-mount packages only.
OPERATING CHARACTERISTICS
V
CC
= 5 V, T
A
= 25°C
PARAMETER TEST CONDITIONS TYP UNIT
C
pd
Power dissipation capacitance No load, f = 1 MHz 9 pF
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