1. General description
74HC1G14 and 74HCT1G14 are high-speed Si-gate CMOS devices. They provide an
inverting buffer function with Schm itt trigger action . These devices are capable of
transforming slowly changing input signals into sharply defined, jitter-free output signals.
The HC device has CMOS input switching levels and supply voltage range 2 V to 6 V.
The HCT device has TTL input switching levels and supply voltage range 4.5 V to 5.5 V.
The standard output currents are half of those of the 74HC14 and 74HCT14.
2. Features and benefits
Symmetrical output impedance
High noise immunity
Low power dissipation
Balanced propagation delays
SOT353-1 and SOT753 package options
Specified from 40 C to +125 C
3. Applications
Wave and pulse shapers
Astable multivibrators
Monostable multivibrators
4. Ordering information
74HC1G14; 74HCT1G14
Inverting Schmitt trigger
Rev. 6 — 27 December 2012 Product data sheet
Table 1. Ordering information
Type number Package
Temperatu re range Name Description Version
74HC1G14GW 40 C to +125 C TSSOP5 plastic thin shrink small outline package;
5 leads; body width 1.25 mm SOT353-1
74HCT1G14GW
74HC1G14GV 40 C to +125 C SC-74A plastic surface-mounted package; 5 leads SOT753
74HCT1G14GV
© Nexperia B.V. 2017. All rights reserved
74HC_HCT1G14 All information provided in this document is subject to legal disclaimers.
Product data sheet Rev. 6 — 27 December 2012 2 of 16
Nexperia 74HC1G14; 74HCT1G14
Inverting Schmitt trigger
5. Marking
[1] The pin 1 indicator is located on the lower left corner of the device, below the marking code.
6. Functional diagram
7. Pinning information
7.1 Pinning
7.2 Pin description
Table 2. Marking codes
Type number Marking code[1]
74HC1G14GW HF
74HCT1G14GW TF
74HC1G14GV H14
74HCT1G14GV T14
Fig 1. Logic symbol Fig 2. IEC logic symbol Fig 3. Logic diagram
mna023
AY
24
24
mna024
mna025
AY
Fig 4. Pin configuration
74HC1G14
74HCT1G14
n.c. VCC
A
GND Y
001aaf106
1
2
3
5
4
Table 3. Pin description
Symbol Pin Description
n.c. 1 not connected
A 2 data input
GND 3 ground (0 V)
Y 4 data output
VCC 5 supply voltage
© Nexperia B.V. 2017. All rights reserved
74HC_HCT1G14 All information provided in this document is subject to legal disclaimers.
Product data sheet Rev. 6 — 27 December 2012 3 of 16
Nexperia 74HC1G14; 74HCT1G14
Inverting Schmitt trigger
8. Functional description
9. Limiting values
[1] The input and output voltage ratings may be exceeded if the input and output current ratings are observed.
[2] Above 55 C, the value of Ptot derates linearly with 2.5 mW/K.
10. Recommended operating conditions
Table 4. Function table
H = HIGH voltage level; L = LOW voltage level
Input Output
A Y
LH
HL
Table 5. Limiting values
In accordance with the Absolute Maximum Rating System (IEC 60134). Voltages are referenced to GND (ground = 0 V). [1]
Symbol Parameter Conditions Min Max Unit
VCC supply voltage 0.5 +7.0 V
IIK input clamping current VI < 0.5 V or VI>V
CC + 0.5 V - 20 mA
IOK output clamping current VO<0.5 V or VO>V
CC + 0.5 V - 20 mA
IOoutput current 0.5 V < VO <V
CC +0.5V - 12.5 mA
ICC supply current - 25 mA
IGND ground current 25 - mA
Tstg storage temperature 65 +150 C
Ptot total power dissipation Tamb = 40 C to +125 C[2] - 200 mW
Table 6. Recommended operating con ditions
Voltages are referenced to GND (ground = 0 V).
Symbol Parameter Conditions 74HC1G14 74HCT1G14 Unit
Min Typ Max Min Typ Max
VCC supply voltage 2.0 5.0 6.0 4.5 5.0 5.5 V
VIinput voltage 0 - VCC 0-V
CC V
VOoutput voltage 0 - VCC 0-V
CC V
Tamb ambient temperature 40 +25 +125 40 +25 +125 C
© Nexperia B.V. 2017. All rights reserved
74HC_HCT1G14 All information provided in this document is subject to legal disclaimers.
Product data sheet Rev. 6 — 27 December 2012 4 of 16
Nexperia 74HC1G14; 74HCT1G14
Inverting Schmitt trigger
11. Static characteristics
Table 7. Static characteristics
Voltages are referenced to GND (ground = 0 V). All typical values are measured at Tamb =25
C.
Symbol Parameter Conditions 40 C to +85 C40 C to +125 CUnit
Min Typ Max Min Max
For type 74HC1G14
VOH HIGH-level outp ut
voltage VI= VT+ or VT
IO= 20 A; VCC = 2.0 V 1.9 2.0 - 1.9 - V
IO= 20 A; VCC = 4.5 V 4.4 4.5 - 4.4 - V
IO= 20 A; VCC = 6.0 V 5.9 6.0 - 5.9 - V
IO= 2.0 mA; VCC = 4.5 V 4.13 4.32 - 3.7 - V
IO= 2.6 mA; VCC = 6.0 V 5.63 5.81 - 5.2 - V
VOL LOW-level output
voltage VI= VT+ or VT
IO= 20 A; VCC = 2.0 V - 0 0.1 - 0.1 V
IO= 20 A; VCC = 4.5 V - 0 0.1 - 0.1 V
IO= 20 A; VCC = 6.0 V - 0 0.1 - 0.1 V
IO= 2.0 mA; VCC = 4.5 V - 0.15 0.33 - 0.4 V
IO= 2.6 mA; VCC = 6.0 V - 0.16 0.33 - 0.4 V
IIinput leakage current VI=V
CC or GND; VCC = 6.0 V - - 1.0 - 1.0 A
ICC supply current VI=V
CC or GND; IO=0A;
VCC =6.0V --10 - 20A
CIinput capacitance - 1.5 - - - pF
VT+ positive-going
threshold voltage see Figure 7 and Figure 8
VCC = 2.0 V 0.7 1.09 1.5 0.7 1.5 V
VCC = 4.5 V 1.7 2.36 3.15 1.7 3.15 V
VCC = 6.0 V 2.1 3.12 4.2 2.1 4.2 V
VTnegative-going
threshold voltage see Figure 7 and Figure 8
VCC = 2.0 V 0.3 0.60 0.9 0.3 0.9 V
VCC = 4.5 V 0.9 1.53 2.0 0.9 2.0 V
VCC = 6.0 V 1.2 2.08 2.6 1.2 2.6 V
VHhysteresis voltage see Figure 7 and Figure 8
VCC = 2.0 V 0.2 0.48 1.0 0.2 1.0 V
VCC = 4.5 V 0.4 0.83 1.4 0.4 1.4 V
VCC = 6.0 V 0.6 1.04 1.6 0.6 1.6 V
For type 74HCT1G14
VOH HIGH-level output
voltage VI= VT+ or VT
IO= 20 A; VCC = 4.5 V 4.4 4.5 - 4.4 - V
IO= 2.0 mA; VCC = 4.5 V 4.13 4.32 - 3.7 - V
VOL LOW-level output
voltage VI= VT+ or VT
IO= 20 A; VCC = 4.5 V - 0 0.1 - 0.1 V
IO= 2.0 mA; VCC = 4.5 V - 0.15 0.33 - 0.4 V
IIinput leakage current VI=V
CC or GND; VCC = 5.5 V - - 1.0 - 1.0 A
© Nexperia B.V. 2017. All rights reserved
74HC_HCT1G14 All information provided in this document is subject to legal disclaimers.
Product data sheet Rev. 6 — 27 December 2012 5 of 16
Nexperia 74HC1G14; 74HCT1G14
Inverting Schmitt trigger
12. Dynamic characteristics
[1] tpd is the same as tPLH and tPHL.
[2] CPD is used to determine the dynamic power dissipation PD(W).
PD=C
PD VCC2fi+(CLVCC2fo)where:
fi= input frequency in MHz; fo= output frequency in MHz
CL= output load capacitance in pF; VCC = supply voltage in Volts
(CLVCC2fo) = sum of outputs
ICC supply current VI=V
CC or GND; IO=0A;
VCC =5.5V --10 - 20A
ICC additional supply
current per input; VCC = 4.5 V to 5.5 V;
VI = VCC 2.1 V; IO=0A - - 500 - 850 A
CIinput capacitance - 1.5 - - - pF
VT+ positive-going
threshold voltage see Figure 7 and Figure 8
VCC = 4.5 V 1.2 1.55 1.9 1.2 1.9 V
VCC = 5.5 V 1.4 1.80 2.1 1.4 2.1 V
VTnegative-going
threshold voltage see Figure 7 and Figure 8
VCC = 4.5 V 0.5 0.76 1.2 0.5 1.2 V
VCC = 5.5 V 0.6 0.90 1.4 0.6 1.4 V
VHhysteresis voltage see Figure 7 and Figure 8
VCC = 4.5 V 0.4 0.80 - 0.4 - V
VCC = 5.5 V 0.4 0.90 - 0.4 - V
Table 7. Static characteristics …continued
Voltages are referenced to GND (ground = 0 V). All typical values are measured at Tamb =25
C.
Symbol Parameter Conditions 40 C to +85 C40 C to +125 CUnit
Min Typ Max Min Max
Table 8. Dynamic characteristics
GND = 0 V; tr = tf
6.0 ns; All typical values are measured at Tamb =25
C. For test circuit see Figure 6
Symbol Parameter Conditions 40 C to +85 C40 C to +125 CUnit
Min Typ Max Min Max
For type 74HC1G14
tpd propagation delay A to Y; see Figure 5 [1]
VCC = 2.0 V; CL= 50 pF - 25 155 - 190 ns
VCC = 4.5 V; CL=50pF - 12 31 - 38 ns
VCC = 5.0 V; CL=15pF - 10 - - - ns
VCC = 6.0 V; CL=50pF - 11 26 - 32 ns
CPD power dissipation
capacitance VI=GNDtoV
CC [2] -20- - -pF
For type 74HCT1G14
tpd propagation delay A to Y; see Figure 5 [1]
VCC = 4.5 V; CL=50pF - 17 43 - 51 ns
VCC = 5.0 V; CL=15pF - 15 - - - ns
CPD power dissipation
capacitance VI=GNDtoV
CC 1.5 V [2] -22- - -pF
© Nexperia B.V. 2017. All rights reserved
74HC_HCT1G14 All information provided in this document is subject to legal disclaimers.
Product data sheet Rev. 6 — 27 December 2012 6 of 16
Nexperia 74HC1G14; 74HCT1G14
Inverting Schmitt trigger
13. Waveforms
Measurement points are given in Table 9.
Fig 5. The input (A) to output (Y) propagation delays
mna033
A input
Y output
tPHL tPLH
VM
VM
Table 9. Measurement points
Type number Input Output
VIVMVM
74HC1G14 GND to VCC 0.5 VCC 0.5 VCC
74HCT1G14 GND to 3.0 V 1.5 V 0.5 VCC
Test data is given in Table 8. Definitions for test circuit:
CL = Load capacitance including jig and probe capacitance.
RT = Termination resistance should be equal to output impedance Zo of the pulse generator.
Fig 6. Load circuitry for switching times
V
CC
VIVO
mna034
DUT
CL
50 pF
RT
PULSE
GENERATOR
© Nexperia B.V. 2017. All rights reserved
74HC_HCT1G14 All information provided in this document is subject to legal disclaimers.
Product data sheet Rev. 6 — 27 December 2012 7 of 16
Nexperia 74HC1G14; 74HCT1G14
Inverting Schmitt trigger
14. Transfer characteristics waveforms
Fig 7. Transfer characteristic Fig 8. The definitions of VT+, VT and VH; where VT+
and VT are between limits of 20 % and 70 %
mna026
V
O
V
H
V
I
V
T−
V
T+
mna027
VO
VIVH
VT+
VT−
Fig 9. Typical 74HC1G14 transfer characteristics;
VCC =2.0V Fig 10. Typical 74HC1G14 transfer characteristics;
VCC =4.5V
© Nexperia B.V. 2017. All rights reserved
74HC_HCT1G14 All information provided in this document is subject to legal disclaimers.
Product data sheet Rev. 6 — 27 December 2012 8 of 16
Nexperia 74HC1G14; 74HCT1G14
Inverting Schmitt trigger
15. Application information
The slow input rise and fall times cause additional power dissipation, this can be
calculated using the following formula:
Padd =f
i(trICC(AV) +t
fICC(AV))VCC
Where:
Padd = additional power dissipation (W)
fi= input frequency (MHz)
tr= rise time (ns); 10 % to 90 %
Fig 11. Typical 74HC1G14 transfer characteristics; VCC =6.0V
mna030
0 3.0 6.0
1.6
0
0.8
ICC
(mA)
VI (V)
Fig 12. Typical 74HCT1G14 transfer characteristics;
VCC =4.5V Fig 13. Typical 74HCT1G14 transfer characteristics;
VCC =5.5V
© Nexperia B.V. 2017. All rights reserved
74HC_HCT1G14 All information provided in this document is subject to legal disclaimers.
Product data sheet Rev. 6 — 27 December 2012 9 of 16
Nexperia 74HC1G14; 74HCT1G14
Inverting Schmitt trigger
tf= fall time (ns); 90 % to 10 %
ICC(AV) = average additional supply current (A)
ICC(AV) differs with positive or negative input transitions, as shown in Figure 14
and Figure 15.
74HC1G14 and 74HCT1G14 used in relaxation oscillator circuit, see Figure 16.
Remark: All values given are typical unless otherwise specified.
Fig 14. ICC(AV) for 74HC1G14 devices; linear change of
VI between 0.1 VCC to 0.9 VCC
Fig 15. ICC(AV) for 74HCT1G14 devices; linear change
of VI between 0.1 VCC to 0.9 VCC
© Nexperia B.V. 2017. All rights reserved
74HC_HCT1G14 All information provided in this document is subject to legal disclaimers.
Product data sheet Rev. 6 — 27 December 2012 10 of 16
Nexperia 74HC1G14; 74HCT1G14
Inverting Schmitt trigger
For 74HC1G14 and 74HCT1G14:
For K-factor, see Figure 17
Fig 16. Relaxation oscillator using 74HC1G14 and 74HCT1G14
mna035
R
C
f1
T
---1
KRC
------------------
=
K-factor for 74HC1G14 K-factor for 74HCT1G14
Fig 17. Typical K-factor for relaxation oscillator
9
&&
9

DDD




.
9
&&
9
  
DDD






.
© Nexperia B.V. 2017. All rights reserved
74HC_HCT1G14 All information provided in this document is subject to legal disclaimers.
Product data sheet Rev. 6 — 27 December 2012 11 of 16
Nexperia 74HC1G14; 74HCT1G14
Inverting Schmitt trigger
16. Package outline
Fig 18. Package outline SOT353-1 (TSSOP5)
UNIT A1
A
max. A2A3bpLHELpwyv
ceD(1) E(1) Z(1) θ
REFERENCES
OUTLINE
VERSION EUROPEAN
PROJECTION ISSUE DATE
IEC JEDEC JEITA
mm 0.1
01.0
0.8 0.30
0.15 0.25
0.08 2.25
1.85 1.35
1.15 0.65
e1
1.3 2.25
2.0 0.60
0.15 7°
0°
0.1 0.10.30.425
DIMENSIONS (mm are the original dimensions)
Note
1. Plastic or metal protrusions of 0.15 mm maximum per side are not included.
0.46
0.21
SOT353-1 MO-203 SC-88A 00-09-01
03-02-19
wM
bp
D
Z
e
e1
0.15
13
54
θ
A
A2
A1
Lp
(A3)
detail X
L
HE
E
c
vMA
X
A
y
1.5 3 mm0
scale
TSSOP5: plastic thin shrink small outline package; 5 leads; body width 1.25 mm SOT353-1
1.1
© Nexperia B.V. 2017. All rights reserved
74HC_HCT1G14 All information provided in this document is subject to legal disclaimers.
Product data sheet Rev. 6 — 27 December 2012 12 of 16
Nexperia 74HC1G14; 74HCT1G14
Inverting Schmitt trigger
Fig 19. Package outline SOT753 (SC-74A)
REFERENCES
OUTLINE
VERSION EUROPEAN
PROJECTION ISSUE DATE
IEC JEDEC JEITA
SOT753 SC-74A
wBM
bp
D
e
A
A1
Lp
Q
detail X
HE
E
vMA
AB
y
0 1 2 mm
scale
c
X
132
45
Plastic surface-mounted package; 5 leads SOT753
UNIT A1bpcDEHELpQywv
mm 0.100
0.013 0.40
0.25 3.1
2.7
0.26
0.10 1.7
1.3
e
0.95 3.0
2.5 0.2 0.10.2
DIMENSIONS (mm are the original dimensions)
0.6
0.2 0.33
0.23
A
1.1
0.9
02-04-16
06-03-16
© Nexperia B.V. 2017. All rights reserved
74HC_HCT1G14 All information provided in this document is subject to legal disclaimers.
Product data sheet Rev. 6 — 27 December 2012 13 of 16
Nexperia 74HC1G14; 74HCT1G14
Inverting Schmitt trigger
17. Abbreviations
18. Revision history
Table 10. Abbreviations
Acronym Description
DUT Device Under Test
TTL Transistor-Transistor Logic
Table 11. Revision history
Document ID Release date Data sheet status Change notice Supersedes
74HC_HCT1G14 v.6 20121227 Product data sheet - 74HC_HCT1G14 v.5
Modifications: •Table 3: Pin number Y outp ut changed from 5 to 4 (errata).
74HC_HCT1G14 v.5 20120924 Product data sheet - 74HC_HCT1G14 v.4
Modifications: •Figure 17 added (typical K-factor for relaxation oscillator).
•Legal page updated.
74HC_HCT1G14 v.4 20070717 Product data sheet - 74HC_HCT1G14 v.3
74HC_HCT1G14 v.3 20020515 Product specification - 74HC_HCT1G14 v.2
74HC_HCT1G14 v.2 20010302 Product specification - 74HC_HCT1G14 v.1
74HC_HCT1G14 v.1 19980805 Product specification - -
© Nexperia B.V. 2017. All rights reserved
74HC_HCT1G14 All information provided in this document is subject to legal disclaimers.
Product data sheet Rev. 6 — 27 December 2012 14 of 16
Nexperia 74HC1G14; 74HCT1G14
Inverting Schmitt trigger
19. Legal information
19.1 Data sheet status
[1] Please consult the most recently issued document before initiating or completing a design.
[2] The term ‘short data sheet’ is explained in section “Definitions”.
[3] The product status of de vice(s) descr ibed in th is docume nt may have cha nged since this docume nt was publis hed and ma y dif fer in case of multiple devices. The latest product status
information is available on the Internet at URL http://www.nexperia.com.
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Short data sheet — A short data sheet is an extract from a full data sheet
with the same product type number(s) and tit le. A short data sh eet is intended
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full information. For detailed and full informatio n see the relevant full data
sheet, which is available on request via the local Nexperia sales
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Product specification — The information and data provided in a Product
data sheet shall define the specification of the product as agr eed between
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Customers are responsible for the design and ope ration of their applications
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Limiting values — Stress above one or more limiting values (as defined in
the Absolute Maximum Ratings System of IEC 60134) will cause permanent
damage to the device. Limiting values are stress ratings only and (proper)
operation of the device at these or any other conditions above those given in
the Recommended operating conditions section (if present) or the
Characteristics sections of this document is not warranted. Constant or
repeated exposure to limiting values will permanent ly and irreversibly affect
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Document status[1][2] Product status[3] Definition
Objective [short] data sheet Development This document contains data from the objective specif ication for product development.
Preliminary [short] dat a sheet Qualification This document contains data from the preliminary specification.
Product [short] dat a sheet Pro duction This document contains the product specification.
© Nexperia B.V. 2017. All rights reserved
74HC_HCT1G14 All information provided in this document is subject to legal disclaimers.
Product data sheet Rev. 6 — 27 December 2012 15 of 16
Nexperia 74HC1G14; 74HCT1G14
Inverting Schmitt trigger
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For more information, please visit: http://www.nexperia.com
For sales office addresses, please send an email to: salesaddresses@nexperia.com
Nexperia 74HC1G14; 74HCT1G14
Inverting Schmitt trigger
21. Contents
1 General description. . . . . . . . . . . . . . . . . . . . . . 1
2 Features and benefits . . . . . . . . . . . . . . . . . . . . 1
3 Applications . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
4 Ordering information. . . . . . . . . . . . . . . . . . . . . 1
5 Marking. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
6 Functional diagram . . . . . . . . . . . . . . . . . . . . . . 2
7 Pinning information. . . . . . . . . . . . . . . . . . . . . . 2
7.1 Pinning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
7.2 Pin description . . . . . . . . . . . . . . . . . . . . . . . . . 2
8 Functional description . . . . . . . . . . . . . . . . . . . 3
9 Limiting values. . . . . . . . . . . . . . . . . . . . . . . . . . 3
10 Recommended operating conditions. . . . . . . . 3
11 Static characteristics. . . . . . . . . . . . . . . . . . . . . 4
12 Dynamic characteristics . . . . . . . . . . . . . . . . . . 5
13 Waveforms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
14 Transfer characteristics waveforms. . . . . . . . . 7
15 Application information. . . . . . . . . . . . . . . . . . . 8
16 Package outline . . . . . . . . . . . . . . . . . . . . . . . . 11
17 Abbreviations. . . . . . . . . . . . . . . . . . . . . . . . . . 13
18 Revision history. . . . . . . . . . . . . . . . . . . . . . . . 13
19 Legal information. . . . . . . . . . . . . . . . . . . . . . . 14
19.1 Data sheet status . . . . . . . . . . . . . . . . . . . . . . 14
19.2 Definitions. . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
19.3 Disclaimers. . . . . . . . . . . . . . . . . . . . . . . . . . . 14
19.4 Trademarks. . . . . . . . . . . . . . . . . . . . . . . . . . . 15
20 Contact information. . . . . . . . . . . . . . . . . . . . . 15
21 Contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
© Nexperia B.V. 2017. All rights reserved
For more information, please visit: http://www.nexperia.com
For sales office addresses, please send an email to: salesaddresses@nexperia.com
Date of release:
27 December 2012