MC74HCT14A
Hex Schmitt−Trigger
Inverter with LSTTL
Compatible Inputs
High−Performance Silicon−Gate CMOS
http://onsemi.com
The MC74HCT14A may be used as a level converter for interfacing
TTL or NMOS outputs to high−speed CMOS inputs.
The HCT14A is useful to “square up” slow input rise and fall times.
Due to the hysteresis voltage of the Schmitt trigger, the HCT14A finds
applications in noisy environments.
•
•
•
•
•
•
•
•
Output Drive Capability: 10 LSTTL Loads
TTL/NMOS−Compatible Input Levels
Outputs Directly Interface to CMOS, NMOS, and TTL
Operating Voltage Range: 4.5 to 5.5 V
Low Input Current: 1.0 A
In Compliance With the JEDEC Standard No. 7.0 A Requirements
Chip Complexity: 72 FETs or 18 Equivalent Gates
Pb−Free Packages are Available*
MARKING
DIAGRAMS
14
PDIP−14
N SUFFIX
CASE 646
14
1
MC74HCT14AN
AWLYYWWG
1
14
SOIC−14
D SUFFIX
CASE 751A
14
1
HCT14AG
AWLYWW
1
14
14
1
TSSOP−14
DT SUFFIX
CASE 948G
1
HCT
14A
ALYW
14
14
1
SOEIAJ−14
F SUFFIX
CASE 965
74HCT14A
ALYWG
1
A
= Assembly Location
L, WL
= Wafer Lot
Y, YY
= Year
W, WW = Work Week
G
= Pb−Free Package
= Pb−Free Package
(Note: Microdot may be in either location)
ORDERING INFORMATION
See detailed ordering and shipping information in the package
dimensions section on page 2 of this data sheet.
*For additional information on our Pb−Free strategy and soldering details, please
download the ON Semiconductor Soldering and Mounting Techniques
Reference Manual, SOLDERRM/D.
Semiconductor Components Industries, LLC, 2005
May, 2005 − Rev. 10
1
Publication Order Number:
MC74HCT14A/D
MC74HCT14A
PIN ASSIGNMENT
A1
1
14
VCC
Y1
2
13
A6
A2
3
12
Y6
Y2
4
11
A5
A3
5
10
Y5
Y3
6
9
A4
GND
7
8
Y4
LOGIC DIAGRAM
A1
A2
A3
A4
FUNCTION TABLE
Input
A
Output
Y
L
H
H
L
A5
A6
1
2
3
4
5
6
9
8
11
10
13
12
Y=A
Y1
Y2
Y3
Y4
Y5
Y6
PIN 14 = VCC
PIN 7 = GND
ORDERING INFORMATION
Package
Shipping†
MC74HCT14AN
PDIP−14
500 Units / Rail
MC74HCT14ANG
PDIP−14
(Pb−Free)
500 Units / Rail
MC74HCT14AD
SOIC−14
55 Units / Rail
MC74HCT14ADG
SOIC−14
(Pb−Free)
55 Units / Rail
MC74HCT14ADR2
SOIC−14
2500 Units / Reel
MC74HCT14ADR2G
SOIC−14
(Pb−Free)
2500 Units / Reel
MC74HCT14ADTR2
TSSOP−14*
2500 Units / Reel
MC74HCT14ADTR2G
TSSOP−14*
2500 Units / Reel
MC74HCT14AFEL
SOEIAJ−14
2000 Units / Reel
MC74HCT14AFELG
SOEIAJ−14
(Pb−Free)
2000 Units / Reel
Device
†For information on tape and reel specifications, including part orientation and tape sizes, please refer to our Tape and Reel Packaging
Specifications Brochure, BRD8011/D.
*This package is inherently Pb−Free.
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2
MC74HCT14A
MAXIMUM RATINGS
Symbol
Parameter
Value
Unit
DC Supply Voltage
(Referenced to GND)
0.5 to 7.0
V
VI
DC Input Voltage
(Referenced to GND)
0.5 to VCC 0.5
V
VO
DC Output Voltage
(Referenced to GND)
0.5 to VCC 0.5
V
VCC
IIK
DC Input Diode Current
20
mA
IOK
DC Output Diode Current
25
mA
IO
DC Output Sink Current
25
mA
ICC
DC Supply Current per Supply Pin
50
mA
IGND
DC Ground Current per Ground Pin
50
mA
TSTG
Storage Temperature Range
65 to 150
C
TL
Lead Temperature, 1 mm from Case for 10 Seconds
TJ
Junction Temperature under Bias
JA
Thermal Resistance
PD
Power Dissipation in Still Air at 85C
MSL
Moisture Sensitivity
FR
Flammability Rating
VESD
ILatchup
C
C
PDIP
SOIC
TSSOP
78
125
170
C/W
PDIP
SOIC
TSSOP
750
500
450
mW
Level 1
Oxygen Index: 30% − 35%
ESD Withstand Voltage
Latchup Performance
260
150
UL 94 V−0 @ 0.125 in
Human Body Model (Note 1)
Machine Model (Note 2)
Charged Device Model (Note 3)
>4000
>300
>1000
V
Above VCC and Below GND at 85C (Note 4)
300
mA
Maximum ratings are those values beyond which device damage can occur. Maximum ratings applied to the device are individual stress limit
values (not normal operating conditions) and are not valid simultaneously. If these limits are exceeded, device functional operation is not implied,
damage may occur and reliability may be affected.
1. Tested to EIA/JESD22−A114−A.
2. Tested to EIA/JESD22−A115−A.
3. Tested to JESD22−C101−A.
4. Tested to EIA/JESD78.
5. For high frequency or heavy load considerations, see the ON Semiconductor High−Speed CMOS Data Book (DL129/D).
RECOMMENDED OPERATING CONDITIONS
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Symbol
VCC
VI, VO
Parameter
Min
Max
Unit
DC Supply Voltage
(Referenced to GND)
4.5
5.5
V
DC Input Voltage, Output Voltage
(Referenced to GND)
0
VCC
V
55
125
C
−
(Note 6)
ns
TA
Operating Temperature, All Package Types
tr, tf
Input Rise and Fall Time (Figure 1)
6. No Limit when VI 50% VCC, ICC > 1 mA.
7. Unused inputs may not be left open. All inputs must be tied to a high−logic voltage level or a low−logic input voltage level.
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3
MC74HCT14A
DC ELECTRICAL CHARACTERISTICS (Voltages Referenced to GND)
Temperature Limit
VCC
55C to 25C
85C
125C
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Symbol
Parameter
VTmax
Maximum Positive−Going
Input Threshold Voltage
VO = 0.1 V or VCC – 0.1 V
|Iout| 20 A
4.5
5.5
VTmin
Minimum Positive−Going
Input Threshold Voltage
VO = 0.1 V or VCC – 0.1 V
|Iout| 20 A
4.5
5.5
VTmax
Maximum Negative−Going
Input Threshold Voltage
VO = 0.1 V or VCC – 0.1 V
|Iout| 20 A
4.5
5.5
VTmin
Minimum Negative−Going
Input Threshold Voltage
VO = 0.1 V or VCC – 0.1 V
|Iout| 20 A
4.5
5.5
VH max
Maximum Hysteresis
Voltage
VO = 0.1 V or VCC – 0.1 V
|Iout| 20 A
4.5
5.5
VH min
Minimum Hysteresis
Voltage
VO = 0.1 V or VCC – 0.1 V
|Iout| 20 A
4.5
5.5
0.4
0.4
0.4
0.4
0.4
04
VOH
Minimum High−Level
Output Voltage
VI < VTmin
|Iout| 20 A
4.5
5.5
4.4
5.4
4.4
5.4
4.4
5.4
VI < VTmin
|Iout| 4.0 mA
4.5
3.98
3.84
3.7
VI ≥ VTmax
|Iout| 20 A
4.5
5.5
0.1
0.1
0.1
0.1
0.1
0.1
VI ≥ VTmax
|Iout| 4.0 mA
4.5
0.26
0.33
0.4
VOL
Maximum Low−Level
Output Voltage
Test Conditions
Volts
Min
Max
Min
1.9
2.1
1.2
1.4
Max
1.9
2.1
1.2
1.4
1.2
1.4
0.5
0.6
Min
Unit
1.9
2.1
V
1.2
1.4
1.2
1.4
0.5
0.6
1.4
1.5
Max
V
1.2
1.4
0.5
0.6
1.4
1.5
1.4
1.5
V
V
IIK
Maximum Input
Leakage Current
VI = VCC or GND
5.5
0.1
1.0
1.0
A
ICC
Maximum Quiescent
Supply Current
(per package)
VI = VCC or GND
Iout = 0 A
5.5
1.0
10
40
A
ICC
Additional Quiescent
Supply Current
VI = 2.4 V, Any One Input
VI = VCC or GND, Other Inputs
lout = 0 A
5.5
55C
25C to 125C
2.9
2.4
mA
8. Information on typical parametric values can be found in the ON Semiconductor High−Speed CMOS Data Book (DL129/D).
AC CHARACTERISTICS (CL = 50 pF; Input tr = tf = 6.0 ns)
Guaranteed Limit
55C to 25C
Symbol
Parameter
Test Conditions
Figures
Min
Max
tPLH,
tPHL
Maximum Propagation
Delay, Input A to Output
Y (L to H)
VCC = 5.0 V 10%
CL = 50 pF, Input tr = tf = 6.0 ns
1&2
32
tTLH,
tTHL
Maximum Output
Transition Time, Any
Output
VCC = 5.0 V 10%
CL = 50 pF, Input tr = tf = 6.0 ns
1&2
15
85C
Min
Max
125C
Min
Max
Unit
40
48
ns
19
22
ns
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9. For propagation delays with loads other than 50 pF, and information on typical parametric values, see the ON Semiconductor High−Speed
CMOS Data Book (DL129/D).
Typical @ 25°C, VCC = 5.0 V
CPD
Power Dissipation Capacitance, per Inverter (Note 10)
32
10. Used to determine the no−load dynamic power consumption: P D = C PD V CC
Semiconductor High−Speed CMOS Data Book (DL129/D).
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4
2f
pF
+ I CC V CC . For load considerations, see the ON
MC74HCT14A
tr
tf
INPUT A 2.7 V
1.3 V
0.3 V
OUTPUT Y
3V
GND
tPLH
tPHL
90%
1.3 V
10%
tTLH
tTHL
Figure 1. Switching Waveforms
TEST POINT
OUTPUT
DEVICE
UNDER
TEST
CL *
*Includes all probe and jig capacitance.
Figure 2. Test Circuit
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5
MC74HCT14A
PACKAGE DIMENSIONS
PDIP−14
N SUFFIX
CASE 646−06
ISSUE N
14
NOTES:
1. DIMENSIONING AND TOLERANCING
PER ANSI Y14.5M, 1982.
2. CONTROLLING DIMENSION: INCH.
3. DIMENSION L TO CENTER OF LEADS
WHEN FORMED PARALLEL.
4. DIMENSION B DOES NOT INCLUDE
MOLD FLASH.
5. ROUNDED CORNERS OPTIONAL.
8
B
1
7
A
F
DIM
A
B
C
D
F
G
H
J
K
L
M
N
L
N
C
−T−
SEATING
PLANE
J
K
H
D 14 PL
G
M
0.13 (0.005)
M
INCHES
MIN
MAX
0.715
0.770
0.240
0.260
0.145
0.185
0.015
0.021
0.040
0.070
0.100 BSC
0.052
0.095
0.008
0.015
0.115
0.135
0.290
0.310
−−−
10
0.015
0.039
MILLIMETERS
MIN
MAX
18.16
18.80
6.10
6.60
3.69
4.69
0.38
0.53
1.02
1.78
2.54 BSC
1.32
2.41
0.20
0.38
2.92
3.43
7.37
7.87
−−−
10
0.38
1.01
SOIC−14
D SUFFIX
CASE 751A−03
ISSUE G
−A−
14
8
−B−
P 7 PL
0.25 (0.010)
M
B
M
7
1
G
F
R X 45
C
−T−
SEATING
PLANE
D 14 PL
0.25 (0.010)
M
T B
J
M
K
S
A
S
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6
NOTES:
1. DIMENSIONING AND TOLERANCING PER
ANSI Y14.5M, 1982.
2. CONTROLLING DIMENSION: MILLIMETER.
3. DIMENSIONS A AND B DO NOT INCLUDE
MOLD PROTRUSION.
4. MAXIMUM MOLD PROTRUSION 0.15 (0.006)
PER SIDE.
5. DIMENSION D DOES NOT INCLUDE
DAMBAR PROTRUSION. ALLOWABLE
DAMBAR PROTRUSION SHALL BE 0.127
(0.005) TOTAL IN EXCESS OF THE D
DIMENSION AT MAXIMUM MATERIAL
CONDITION.
DIM
A
B
C
D
F
G
J
K
M
P
R
MILLIMETERS
MIN
MAX
8.55
8.75
3.80
4.00
1.35
1.75
0.35
0.49
0.40
1.25
1.27 BSC
0.19
0.25
0.10
0.25
0
7
5.80
6.20
0.25
0.50
INCHES
MIN
MAX
0.337 0.344
0.150 0.157
0.054 0.068
0.014 0.019
0.016 0.049
0.050 BSC
0.008 0.009
0.004 0.009
0
7
0.228 0.244
0.010 0.019
MC74HCT14A
PACKAGE DIMENSIONS
TSSOP−14
DT SUFFIX
CASE 948G−01
ISSUE A
14X K REF
0.10 (0.004)
0.15 (0.006) T U
M
T U
V
S
NOTES:
1. DIMENSIONING AND TOLERANCING PER
ANSI Y14.5M, 1982.
2. CONTROLLING DIMENSION: MILLIMETER.
3. DIMENSION A DOES NOT INCLUDE MOLD
FLASH, PROTRUSIONS OR GATE BURRS.
MOLD FLASH OR GATE BURRS SHALL NOT
EXCEED 0.15 (0.006) PER SIDE.
4. DIMENSION B DOES NOT INCLUDE
INTERLEAD FLASH OR PROTRUSION.
INTERLEAD FLASH OR PROTRUSION SHALL
NOT EXCEED 0.25 (0.010) PER SIDE.
5. DIMENSION K DOES NOT INCLUDE
DAMBAR PROTRUSION. ALLOWABLE
DAMBAR PROTRUSION SHALL BE 0.08
(0.003) TOTAL IN EXCESS OF THE K
DIMENSION AT MAXIMUM MATERIAL
CONDITION.
6. TERMINAL NUMBERS ARE SHOWN FOR
REFERENCE ONLY.
7. DIMENSION A AND B ARE TO BE
DETERMINED AT DATUM PLANE −W−.
S
S
N
2X
14
L/2
0.25 (0.010)
8
M
B
−U−
L
PIN 1
IDENT.
F
7
1
0.15 (0.006) T U
N
S
DETAIL E
K
A
−V−
ÉÉÉ
ÇÇÇ
ÇÇÇ
ÉÉÉ
ÇÇÇ
K1
J J1
SECTION N−N
−W−
C
0.10 (0.004)
−T− SEATING
PLANE
D
G
H
DETAIL E
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7
DIM
A
B
C
D
F
G
H
J
J1
K
K1
L
M
MILLIMETERS
INCHES
MIN
MAX
MIN MAX
4.90
5.10 0.193 0.200
4.30
4.50 0.169 0.177
−−−
1.20
−−− 0.047
0.05
0.15 0.002 0.006
0.50
0.75 0.020 0.030
0.65 BSC
0.026 BSC
0.50
0.60 0.020 0.024
0.09
0.20 0.004 0.008
0.09
0.16 0.004 0.006
0.19
0.30 0.007 0.012
0.19
0.25 0.007 0.010
6.40 BSC
0.252 BSC
0
8
0
8
MC74HCT14A
PACKAGE DIMENSIONS
SOEIAJ−14
F SUFFIX
CASE 965−01
ISSUE O
14
LE
8
Q1
E HE
L
7
1
M
DETAIL P
Z
D
VIEW P
A
e
c
DIM
A
A1
b
c
D
E
e
HE
L
LE
M
Q1
Z
A1
b
0.13 (0.005)
M
NOTES:
1. DIMENSIONING AND TOLERANCING PER ANSI
Y14.5M, 1982.
2. CONTROLLING DIMENSION: MILLIMETER.
3. DIMENSIONS D AND E DO NOT INCLUDE MOLD
FLASH OR PROTRUSIONS AND ARE MEASURED
AT THE PARTING LINE. MOLD FLASH OR
PROTRUSIONS SHALL NOT EXCEED 0.15 (0.006)
PER SIDE.
4. TERMINAL NUMBERS ARE SHOWN FOR
REFERENCE ONLY.
5. THE LEAD WIDTH DIMENSION (b) DOES NOT
INCLUDE DAMBAR PROTRUSION. ALLOWABLE
DAMBAR PROTRUSION SHALL BE 0.08 (0.003)
TOTAL IN EXCESS OF THE LEAD WIDTH
DIMENSION AT MAXIMUM MATERIAL CONDITION.
DAMBAR CANNOT BE LOCATED ON THE LOWER
RADIUS OR THE FOOT. MINIMUM SPACE
BETWEEN PROTRUSIONS AND ADJACENT LEAD
TO BE 0.46 ( 0.018).
0.10 (0.004)
MILLIMETERS
MIN
MAX
−−−
2.05
0.05
0.20
0.35
0.50
0.18
0.27
9.90
10.50
5.10
5.45
1.27 BSC
7.40
8.20
0.50
0.85
1.10
1.50
10
0
0.70
0.90
−−−
1.42
INCHES
MIN
MAX
−−−
0.081
0.002
0.008
0.014
0.020
0.007
0.011
0.390
0.413
0.201
0.215
0.050 BSC
0.291
0.323
0.020
0.033
0.043
0.059
10
0
0.028
0.035
−−−
0.056
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