Diodes 74AHCT1G14 - Manual (Page 4)

74AHCT1G14
SINGLE SCHMITT-TRIGGER INVERETER
74AHCT1G14
Document number: DS35183 Rev. 1 - 2
4 of 8
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May 2011
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T
Electrical Characteristics
Symbol Parameter Test Conditions V
CC
T
A
=25. -40ºC to 85ºC -40ºC to 125ºC
Unit
Min Typ. Max Min Max Min Max
V
T+
Positive-going
input threshold
voltage
4.5V 1.9 1.9 1.9
5.5V 2.1 2.1 2.1
V
T-
Negative-going
input threshold
voltage
4.5V 0.5 0.5 0.5
5.5V 0.6 0.6 0.6
ΔV
T
Hysteresis
(V
T+
- V
T-
)
4.5V 0.4 1.4 0.4 1.4 .35 1.4
5.5V 0.4 1.6 0.4 1.6 .35 1.5
V
OH
High Level
Output Voltage
I
OH
= -50 μA 4.5V 4.4 4.5 4.4 4.4
V
I
OH
= -8mA 4.5V 3.94 3.80 3.70
V
OL
High-level Input
Voltage
I
OL
= 50 μA 4.5V 0.1 0.1 0.1
V
I
OL
= 8mA 4.5V 0.36 0.44 0.55
I
I
Input Current V
I
= 5.5 V or GND 0 to 5.5V ± 0.1 ± 1 ± 2 μA
I
CC
Supply Current
V
I
= 5.5V or GND
I
O
=0
5.5V 2 20 40 μA
ΔI
CC
Additional
Supply Current
One input at 3.4
V Other inputs at
V
CC
or GND
5.5V 1.35 1.5 1.5 mA
C
I
Input
Capacitance
V
I
= V
CC
or GND 5.5V 3 10 10 10 pF
θ
JA
Thermal
Resistance
Junction-to-
Ambient
SOT25 (Note 4) 195
o
C/W
SOT353 (Note 4) 430
o
C/W
θ
JC
Thermal
Resistance
Junction-to-
Case
SOT25 (Note 4) 58
o
C/W
SOT353 (Note 4) 155 o C/W
Note: 4. Test conditions for SOT25, and SOT353: Device mounted on FR-4 substrate PC board, 2oz copper, with minimum recommended pad layout
.
Switching Characteristics
V
CC
= 5V ± 0.5V (see Figure 1)
Parameter
From
(Input)
TO
(OUTPUT)
25ºC -40ºC to 85ºC -40ºC to 125ºC
Unit
Min Typ. Max Min Max Min Max
t
pd
A Y
C
L
=15pF 0.6 4.0 7.0 0.6 8.0 0.6 9.0 ns
C
L
=50pF 0.6 5.4 8.0 0.6 9.0 0.6 10.0 ns