74AHCT1G14
SINGLE SCHMITT-TRIGGER INVERETER
Description
The 74AHCT1G14 is a single 1-input Schmitt-trigger inverter
gate with a standard push-pull output. The device is designed
for operation with a power supply range of 4.5V to 5.5V. The
gate performs the positive Boolean function:
Pin Assignments
(Top View)
NC
1
5 Vcc
Y
=
A
A 2
GND 3
4 Y
SOT25 / SOT353
NEW PRODUCT
Features
•
•
•
•
•
Supply Voltage Range from 4.5V to 5.5V
± 8 mA Output Drive at 5.0V
CMOS low power consumption
Schmitt Trigger Action at All Inputs Make the Circuit
Tolerant for Slower Input Rise and Fall Time
ESD Protection per JESD 22
o
o
o
•
•
•
Exceeds 200-V Machine Model (A115-A)
Exceeds 2000-V Human Body Model (A114-A)
Exceeds 1000-V Charged Device Model (C101C)
Applications
•
•
General Purpose Logic
Wide array of products such as
o
PCs, networking, notebooks, netbooks, PDAs
o
Computer peripherals, hard drives, CD/DVD ROM
o
TV, DVD, DVR, set top box
o
Cell Phones, Personal Navigation / GPS
o
MP3 players ,Cameras, Video Recorders
Latch-Up Exceeds 100mA per JESD 78, Class II
SOT25 and SOT353: Assembled with “Green” Molding
Compound (no Br, Sb)
Lead Free Finish / RoHS Compliant (Note 1)
1. EU Directive 2002/95/EC (RoHS). All applicable RoHS exemptions applied. Please visit our website at
http://www.diodes.com/products/lead_free.html.
Notes:
74AHCT1G14
Document number: DS35183 Rev. 1 - 2
1 of 8
www.diodes.com
May 2011
© Diodes Incorporated
74AHCT1G14
SINGLE SCHMITT-TRIGGER INVERETER
Pin Descriptions
Pin Name
NC
A
GND
Y
V
CC
Pin NO.
1
2
3
4
5
No Connection
Data Input
Ground
Data Output
Supply Voltage
Description
NEW PRODUCT
Logic Diagram
Function Table
Inputs
A
H
L
Output
Y
L
H
74AHCT1G14
Document number: DS35183 Rev. 1 - 2
2 of 8
www.diodes.com
May 2011
© Diodes Incorporated
74AHCT1G14
SINGLE SCHMITT-TRIGGER INVERETER
Absolute Maximum Ratings
(Note 2)
Symbol
ESD HBM
ESD CDM
ESD MM
V
CC
V
I
V
O
I
IK
I
OK
I
O
I
CC
I
GND
T
J
T
STG
Notes:
Description
Human Body Model ESD Protection
Charged Device Model ESD Protection
Machine Model ESD Protection
Supply Voltage Range
Input Voltage Range
Voltage applied to output in high or low state
Input Clamp Current V
I
<0
Output Clamp Current (V
O
< 0 or V
O
> V
CC
)
Continuous output current (V
O
= 0 to V
CC
)
Continuous current through V
CC
Continuous current through GND
Operating Junction Temperature
Storage Temperature
Rating
2
1
200
-0.5 to 6.5
-0.5 to 6.5
-0.5 to V
CC
+0.5
-20
±20
±25
50
-50
-40 to 150
-65 to 150
Unit
KV
KV
V
V
V
V
mA
mA
mA
mA
mA
°C
°C
NEW PRODUCT
2. Stresses beyond the absolute maximum may result in immediate failure or reduced reliability. These are stress values and device operation should be
within recommend values.
Recommended Operating Conditions
(Note 3)
Symbol
V
CC
V
I
V
O
I
OH
I
OL
Δt/ΔV
T
A
Notes:
Parameter
Operating Voltage
Input Voltage
Output Voltage
High-level output current
Low-level output current
Input transition rise or fall rate
Operating free-air temperature
Min
4.5
0
0
Max
5.5
5.5
V
CC
-8
8
20
Unit
V
V
V
mA
mA
ns/V
ºC
-40
125
3. Unused inputs should be held at V
CC
or Ground.
74AHCT1G14
Document number: DS35183 Rev. 1 - 2
3 of 8
www.diodes.com
May 2011
© Diodes Incorporated
74AHCT1G14
SINGLE SCHMITT-TRIGGER INVERETER
Electrical Characteristics
Symbol
V
T+
Parameter
Positive-going
input threshold
voltage
Negative-going
input threshold
voltage
Hysteresis
(V
T+
- V
T-
)
I
OH
= -50μA
High Level
Output Voltage I
OH
= -8mA
High-level Input I
OL
= 50μA
Voltage
I
OL
= 8mA
Input Current
Supply Current
V
I
= 5.5V or GND
I
O
=0
Test Conditions
V
CC
4.5V
5.5V
4.5V
5.5V
4.5V
5.5V
4.5V
4.5V
4.5V
4.5V
0.5
0.6
0.4
0.4
4.4
3.94
0.1
0.36
± 0.1
2
4.5
1.4
1.6
T
A
=25.
Min
Typ.
Max
1.9
2.1
0.5
0.6
0.4
0.4
4.4
3.80
0.1
0.44
±1
20
1.4
1.6
-40ºC to 85ºC
Min
Max
1.9
2.1
0.5
0.6
.35
.35
4.4
3.70
0.1
0.55
±2
40
1.4
1.5
V
V
μA
μA
-40ºC to 125ºC
Min
Max
1.9
2.1
Unit
V
T-
NEW PRODUCT
ΔV
T
V
OH
V
OL
I
I
I
CC
ΔI
CC
C
I
V
I
= 5.5 V or GND 0 to 5.5V
5.5V
One input at 3.4
Additional
V Other inputs at
Supply Current
V
CC
or GND
Input
Capacitance
Thermal
Resistance
Junction-to-
Ambient
Thermal
Resistance
Junction-to-
Case
V
I
= V
CC
or GND
SOT25
SOT353
SOT25
SOT353
5.5V
1.35
1.5
1.5
mA
5.5V
(Note 4)
(Note 4)
(Note 4)
(Note 4)
3
195
430
58
155
10
10
10
o
pF
C/W
C/W
C/W
C/W
θ
JA
o
o
θ
JC
Note:
o
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
t
pd
From
TO
(Input) (OUTPUT)
A
Y
C
L
=15pF
C
L
=50pF
Min
0.6
0.6
25ºC
Typ.
4.0
5.4
Max
7.0
8.0
-40ºC to 85ºC
Min
Max
0.6
0.6
8.0
9.0
-40ºC to 125ºC
Min
Max
0.6
0.6
9.0
10.0
Unit
ns
ns
74AHCT1G14
Document number: DS35183 Rev. 1 - 2
4 of 8
www.diodes.com
May 2011
© Diodes Incorporated
74AHCT1G14
SINGLE SCHMITT-TRIGGER INVERETER
Operating Characteristics
T
A
= 25 ºC
Parameter
C
pd
Power dissipation capacitance
Test
Conditions
f = 1 MHz
No Load
V
CC
= 5V
Typ.
10
Unit
pF
NEW PRODUCT
Parameter Measurement Information
V
CC
3.3V±0.3V
5V±0.5V
3.3V±0.3V
5V±0.5V
Inputs
V
I
V
CC
V
CC
V
CC
V
CC
t
r
/t
f
≤3ns
≤3ns
≤3ns
≤3ns
V
M
V
CC
/2
V
CC
/2
V
CC
/2
V
CC
/2
C
L
15pF
15pF
50pF
50pF
Voltage Waveform Pulse Duration
Voltage Waveform Propagation Delay Times
Inverting and Non Inverting Outputs
Figure 1. Load Circuit and Voltage Waveforms
Notes:
A. Includes test lead and test apparatus capacitance.
B. All pulses are supplied at pulse repetition rate
≤
1 MHz.
C. Inputs are measured separately one transition per measurement.
D. t
PLH
and t
PHL
are the same as t
PD
.
74AHCT1G14
Document number: DS35183 Rev. 1 - 2
5 of 8
www.diodes.com
May 2011
© Diodes Incorporated
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