74AHCT14
HEX INVERTERS WITH SCHMITT TRIGGER INPUTS
Description
The 74AHCT14 provides provides six independent Schmitt trigger
input inverters with standard push-pull outputs. The device is
designed for operation with a power supply range of 4.5V to 5.5V.
The gates perform the Boolean function:
Pin Assignments
Y
=
A
NEW PRODUCT
Features
•
•
•
•
•
•
Wide Supply Voltage Range from 4.5V to 5.5V
Inputs Are TTL Voltage Level Compatible
Outputs Sink or Source 8mA at V
CC
= 4.5V
CMOS Low Power Consumption
Schmitt Trigger Action at All Inputs
ESD Protection Exceeds JESD 22
200-V Machine Model (A115-A)
2000-V Human Body Model (A114-A)
Exceeds 1000-V Charged Device Model (C101C)
•
•
•
•
Latch-Up Exceeds 250mA per JESD 78, Class II
Range of Package Options SO-14 and TSSOP-14
Totally Lead-Free & Fully RoHS Compliant (Notes 1 & 2)
Halogen and Antimony Free. “Green” Device (Note 3)
Applications
•
•
General Purpose Logic
Wide array of products such as:
PCs, Networking, Notebooks, Netbooks
Computer Peripherals, Hard Drives, CD/DVD ROM
TV, DVD, DVR, Set Top Box
Notes:
1. No purposely added lead. Fully EU Directive 2002/95/EC (RoHS) & 2011/65/EU (RoHS 2) compliant.
2. See http://www.diodes.com for more information about Diodes Incorporated’s definitions of Halogen- and Antimony-free, "Green" and Lead-free.
3. Halogen- and Antimony-free "Green” products are defined as those which contain <900ppm bromine, <900ppm chlorine (<1500ppm total Br + Cl) and
<1000ppm antimony compounds.
Click here for ordering information, located at the end of datasheet
74AHCT14
Document number: DS35352 Rev. 3 - 2
1 of 8
www.diodes.com
January 2013
© Diodes Incorporated
74AHCT14
Pin Descriptions
Pin
Number
1
2
3
4
5
6
7
8
9
10
11
12
13
14
Pin Name
1A
1Y
2A
2Y
3A
3Y
GND
4Y
4A
5Y
5A
6Y
6A
V
CC
Function
Data Input
Data Output
Data Input
Data Output
Data Input
Data Output
Ground
Data Output
Data Input
Data Output
Data Input
Data Output
Data Input
Supply Voltage
Logic Diagram
NEW PRODUCT
Function Table
Input
A
L
H
Output
Y
H
L
Absolute Maximum Ratings
(Note 4) (@T
A
= +25°C, unless otherwise specified.)
Symbol
ESD HBM
ESD CDM
ESD MM
V
CC
V
I
I
IK
I
OK
I
OK
I
O
I
CC
I
GND
T
J
T
STG
P
TOT
Note:
Description
Human Body Model ESD Protection
Charged Device Model ESD Protection
Machine Model ESD Protection
Supply Voltage Range
Input Voltage Range
Input Clamp Current
Output Clamp Current
Output Clamp Current
V
I
< -0.5V
V
O
< 0 V
V
O
> V
CC
Rating
2
1
200
-0.5 to +7.0
-0.5 to +7.0
-20
-20
20
+/- 25
50
-50
-40 to +150
-65 to +150
500
Unit
KV
KV
V
V
V
mA
mA
mA
mA
mA
mA
°C
°C
mW
Continuous Output Current 0 V < V
O
< V
CC
Continuous Current Through V
CC
Continuous Current Through GND
Operating Junction Temperature
Storage Temperature
Total Power Dissipation
4. 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.
74AHCT14
Document number: DS35352 Rev. 3 - 2
2 of 8
www.diodes.com
January 2013
© Diodes Incorporated
74AHCT14
Recommended Operating Conditions
(Note 5) (@T
A
= +25°C, unless otherwise specified.)
Symbol
V
CC
V
I
V
O
Δt/ΔV
T
A
Supply Voltage
Input Voltage
Output Voltage
Input Transition Rise or Fall Rate
Operating Free-Air Temperature
5. Unused inputs should be held at V
CC
or Ground.
Parameter
Min
4.5
0
0
-40
Max
5.5
5.5
V
CC
20
+125
Unit
V
V
V
ns/V
°C
NEW PRODUCT
Note:
Electrical Characteristics
(@T
A
= +25°C, unless otherwise specified.)
Symbol
Parameter
Positive-Going Input
Threshold Voltage
Negative-Going
Input Threshold
Voltage
Hysteresis
(V
T+
- V
T-)
High-Level Output
Voltage
Low-Level Output
Voltage
Input Current
Supply Current
Additional Supply
Current
I
OH
= -50μA
I
OH
= -8mA
I
OL
= 50μA
I
OL
= 8mA
V
I
= GND to 5.5V
V
I
= GND or V
CC,
I
O
= 0
One input at V
CC
-2.1V
Other pins at V
CC
or
GND.
Test Conditions
V
CC
4.5V
5.5V
4.5V
5.5V
4.5V
5.5V
4.5V
4.5V
4.5V
4.5V
3.6V
3.6V
4.5V to 5.5V
0.5
0.6
0.5
0.6
4.4
3.80
0.1
0.44
±1
20
1.35
T
A
= -40°C to +85°C
Min
Max
1.9
2.1
0.5
0.55
0.5
0.6
4.4
3.70
0.1
0.55
±2
40
5
T
A
= -40°C to +125°C
Min
Max
1.9
2.1
V
Unit
V
T+
V
T-
V
∆V
T
V
V
OH
V
V
OL
I
I
I
CC
ΔI
CC
V
μA
μA
mA
Operating Characteristics
Parameter
C
pd
C
i
Power Dissipation
Capacitance per Gate
Input Capacitance
Test
Conditions
f = 1 MHz
V
i
= V
CC
– or
GND
V
CC
= 5.5V
Typ
14.8
4.0
Unit
pF
pF
Switching Characteristics
Symbol
Parameter
Test
Conditions
Figure 1
C
L
= 15pF
Figure 1
C
L
= 50pF
V
CC
4.5V to 5.5V
4.5V to 5.5V
T
A
= +25°C
Min
0.5
0.5
Typ
3.4
4.9
Max
6.9
10.0
-40°C to +85°C
Min
0.5
0.5
Max
8.0
10.0
-40°C to +125°C
Min
0.5
0.5
Max
9.0
ns
11.0
Unit
t
PD
Propagation
Delay A
N
to Y
N
74AHCT14
Document number: DS35352 Rev. 3 - 2
3 of 8
www.diodes.com
January 2013
© Diodes Incorporated
74AHCT14
Parameter Measurement Information
NEW PRODUCT
V
CC
4.5V to 5.5V
Inputs
V
I
3.0 V
t
r
/t
f
3ns
V
M
Inputs
1.5V
V
M
Outputs
V
CC
/2
C
L
15pF, 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
.
74AHCT14
Document number: DS35352 Rev. 3 - 2
4 of 8
www.diodes.com
January 2013
© Diodes Incorporated
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