74LVC14A
Hex inverting Schmitt-trigger with 5V
tolerant input
Product specification 1998 Apr 28
INTEGRATED CIRCUITS
Philips Semiconductors Product specification
74LVC14A
Hex inverting Schmitt-trigger with 5V
tolerant input
2
1998 Apr 28 853-1907 19308
FEATURES
•Wide supply voltage range of: 1.2 V to 3.6 V
•In accordance with JEDEC standard no. 8-1A
•Inputs accept voltages up to 5.5 V
•CMOS low power consumption
•Direct interface with TTL levels
APPLICATIONS
•W ave and pulse shapers for highly noisy environments
•Astable multivibrators
•Monostable multivibrators
DESCRIPTION
The 74LVC14A is a high-performance, low power , low-voltage
Si-gate CMOS device and superior to most advanced CMOS
compatible TTL families.
Inputs can be driven from either 3.3 V or 5 V devices. This feature
allows the use of these devices as translators in a mixed 3.3 V/5 V
environment.
The 74LVC14A provides six inverting buffers with Schmitt-trigger
action. It is capable of transforming slowly changing input signals
into sharply defined, jitter-free output signals.
QUICK REFERENCE DATA
GND = 0 V ; Tamb = 25°C; tr ≤ tf ≤2.5 ns
SYMBOL PARAMETER CONDITIONS TYPICAL UNIT
t /t
Propagation delay CL = 50 pF;
4
ns
t
PHL
/t
PLH
gy
nA to nY
L
VCC = 3.3 V
4
ns
CIInput capacitance 3.5 pF
CPD Power dissipation capacitance per gate Note s 1 and 2 25 pF
NOTES:
1. CPD is used to determine the dynamic power dissipation (PD in µW)
PD = CPD × VCC2 × fi (CL × VCC2 × fo) where:
fi = input frequency in MHz; CL = output load capacity in pF;
fo = output frequency in MHz; VCC = supply voltage in V ;
(CL × VCC2 × fo) = sum of the outputs.
2. The condition is VI = GND to VCC.
ORDERING INFORMATION
PACKAGES TEMPERATURE RANGE OUTSIDE NORTH AMERICA NORTH AMERICA DWG NUMBER
14-Pin Plastic SO –40°C to +85°C74LVC14A D 74LVC14A D SOT108-1
14-Pin Plastic SSOP Type II –40°C to +85°C74LVC14A DB 74LVC14A DB SOT337-1
14-Pin Plastic TSSOP Type I –40°C to +85°C74LVC14A PW 74LVC14APW DH SOT402-1
PIN CONFIGURATION
1
2
3
4
5
6
7
1A
1Y
2A
2Y
3A
3Y
GND
VCC
6A
6Y
5A
5Y
4A
4Y
14
13
12
11
10
9
8
SV00396
PIN DESCRIPTION
PIN NUMBER SYMBOL NAME AND FUNCTION
1, 3, 5, 9, 11, 13 1A – 6A Data inputs
2, 4, 6, 8, 10, 12 1Y – 6Y Data outputs
7 GND Ground (0 V)
14 VCC Positive supply voltage
Philips Semiconductors Product specification
74LVC14A
Hex inverting Schmitt-trigger with 5V
tolerant input
1998 Apr 28 3
LOGIC SYMBOL (IEEE/IEC)
SV00425
12
34
56
98
11 10
13 12
LOGIC DIAGRAM (ONE SCHMITT-TRIGGER)
SV00426
AY
FUNCTION TABLE
INPUT OUTPUT
nA nY
L H
H L
NOTES:
H = HIGH voltage level
L = LOW voltage level
LOGIC SYMBOL
SV00424
1A 1Y
2A 2Y
3A 3Y
4A 4Y
5A 5Y
6A 6Y
1
3
5
9
11
13
2
4
6
8
10
12
RECOMMENDED OPERATING CONDITIONS
SYMBOL
PARAMETER
CONDITIONS
LIMITS
UNIT
SYMBOL
PARAMETER
CONDITIONS
MIN MAX
UNIT
VCC
DC supply voltage (for max. speed performance) 2.7 3.6
V
V
CC DC supply voltage (for low-voltage applications) 1.2 3.6
V
VIDC input voltage range 0 5.5 V
VI/O
DC output voltage range; output HIGH or LOW state 0 VCC
V
V
I/O DC input voltage range; output 3-State 0 5.5
V
Tamb Operating free-air temperature range –40 +85 °C
tr, tfInput rise and fall times VCC = 1.2 to 2.7V
VCC = 2.7 to 3.6V 0
020
10 ns/V
Philips Semiconductors Product specification
74LVC14A
Hex inverting Schmitt-trigger with 5V
tolerant input
1998 Apr 28 4
ABSOLUTE MAXIMUM RATINGS1
In accordance with the Absolute Maximum Rating System (IEC 134).
Voltages are referenced to GND (ground = 0V).
SYMBOL PARAMETER CONDITIONS RATING UNIT
VCC DC supply voltage –0.5 to +6.5 V
IIK DC input diode current VIt0 –50 mA
VIDC input voltage Note 2 –0.5 to +6.5 V
IOK DC output diode current VO uVCC or VO t 0 "50 mA
VI/O
DC output voltage; output HIGH or LOW Note 2 –0.5 to VCC +0.5
V
V
I/O DC input voltage; output 3-State Note 2 –0.5 to 6.5
V
IODC output source or sink current VO = 0 to VCC "50 mA
IGND, ICC DC VCC or GND current "100 mA
Tstg Storage temperature range –65 to +150 °C
Power dissipation per package
PTOT – plastic mini-pack (SO) above +70°C derate linearly with 8 mW/K 500
mW
– plastic shrink mini-pack (SSOP and TSSOP) above +60°C derate linearly with 5.5 mW/K 500
mW
NOTES:
1. Stresses beyond those listed may cause permanent damage to the device. These are stress ratings only and functional operation of the
device at these or any other conditions beyond those indicated under “recommended operating conditions” is not implied. Exposure to
absolute-maximum-rated conditions for extended periods may affect device reliability.
2. The input and output voltage ratings may be exceeded if the input and output current ratings are observed.
DC ELECTRICAL CHARACTERISTICS
Over recommended operating conditions. Voltages are referenced to GND (ground = 0V).
LIMITS
SYMBOL PARAMETER TEST CONDITIONS Temp = -40°C to +85°C UNIT
MIN TYP1MAX
V
HIGH level In
p
ut voltage
VCC = 1.2V VCC
V
V
IH
HIGH
le
v
el
Inp
u
t
v
oltage
VCC = 2.7 to 3.6V 2.0
V
V
LOW level In
p
ut voltage
VCC = 1.2V GND
V
V
IL
LOW
le
v
el
Inp
u
t
v
oltage
VCC = 2.7 to 3.6V 0.8
V
VCC = 2.7V ; VI = VIH or VIL;I
O = –12mA VCC*0.5
VO
HIGH level out
p
ut voltage
VCC = 3.0V ; VI = VIH or VIL;I
O = –100µA VCC*0.2 VCC
V
V
OH
HIGH
le
v
el
o
u
tp
u
t
v
oltage
VCC = 3.0V ; VI = VIH or VIL; IO = –18mA VCC*0.6
V
VCC = 3.0V ; VI = VIH or VIL; IO = –24mA VCC*0.8
VCC = 2.7V ; VI = VIH or VIL;I
O = 12mA 0.40
VOL LOW level output voltage VCC = 3.0V ; VI = VIH or VIL;I
O = 100µA GND 0.20 V
VCC = 3.0V ; VI = VIH or VIL; IO = 24mA 0.55
I
In
p
ut leakage current
VCC =36V
;
V = 5 5V or GND
"01
"5
µA
I
I
Inp
u
t
leakage
c
u
rrent
V
CC =
3
.
6V
;
V
I =
5
.
5V
or
GND
"0
.
1
"5
µ
A
ICC Quiescent supply current VCC = 3.6V ; VI = VCC or GND; IO = 0 0.1 10 µA
∆ICC Additional quiescent supply current
per input pin VCC = 2.3V to 3.6V ; VI = VCC –0.6V; IO = 0 5 500 µA
NOTE:
1. All typical values are at VCC = 3.3V and Tamb = 25°C.
Philips Semiconductors Product specification
74LVC14A
Hex inverting Schmitt-trigger with 5V
tolerant input
1998 Apr 28 5
TRANSFER CHARACTERISTICS
Voltages are referenced to GND (ground = 0 V).
Tamb (°C) TEST CONDITIONS
SYMBOL PARAMETER –40 TO +85 UNIT V
CC
WAVEFORMS
MIN TYP1MAX
CC
(V)
WAVEFORMS
P iti i
– – 1.2 1.2
VT+ Positive-going
threshold
1.1 – 2.0 V2.7 Figures 1 and 2
threshold
1.1 – 2.0 2.7 to 3.6
Nti i
0 – – 1.2
VT– Negative-going
threshold
0.8 – 1.5 V2.7 Figures 1 and 2
threshold
0.8 – 1.5 2.7 to 3.6
Ht i
– – – 1.2
VHHysteresis
(VT+
–
VT)
0.3 0.4 – V2.7 Figures 1, 2 and 3
(VT+
VT
-
)
0.3 0.45*–2.7 to 3.6
NOTES:
1. All typical values are measured at Tamb = 25°C
2. The VIH and VIL from the DC family characteristics are superseded by the VT+ and VT-.
TRANSFER CHARACTERISTIC WAVEFORMS
SV00427
VH
VT+
VT–
VO
VI
Figure 1. Transfer characteristic.
SV00428
VH
VT–
VT+
VO
VI
Figure 2. Definition of VT, VT- and VH;
where VT+ and V T- are between limits of 20% and 70%
0
0
1
2
3
4
5
ICC
(mA)
0.6 1.81.2 2.4
Vin
(V) 3.0
SV00444
Figure 3. Typical 74LVC14 transfer characteristics; VCC = 3.3 V.
Philips Semiconductors Product specification
74LVC14A
Hex inverting Schmitt-trigger with 5V
tolerant input
1998 Apr 28 6
AC CHARACTERISTICS
GND = 0 V ; tr = tf v 2.5 ns; CL = 50 pF; RL = 500; Tamb = –40C to +85C
LIMITS
SYMBOL PARAMETER WAVEFORM VCC = 3.3V ±0.3V VCC = 2.7V VCC = 1.2V UNIT
MIN TYP1MAX MIN TYP MAX TYP
tPHL/
tPLH Propagation delay
nA to nY Figure 1, 2 1.5 4.5 6.4 1.5 5.0 7.5 18 ns
NOTE:
1. These typical values are at VCC = 3.3V and Tamb = 25°C.
AC WAVEFORMS
VM = 1.5 V at VCC w 2.7 V
VM = 0.5 VCC at VCC < 2.7 V
VOL and VOH are the typical output voltage drop that occur with the
output load.
VM
nA INPUT
nY OUTPUT VM
tPLH
tPHL
GND
VI
VOL
VOH
SV00395
Figure 1. Input (nA) to output (nY) propagation delays.
TEST CIRCUIT
PULSE
GENERATOR
VI
RT
D.U.T. VO
CL50pF
S12 x VCC
Open
GND
500Ω
500Ω
VCC VI
t 2.7V VCC
2.7V – 3.6V 2.7V
Test S1
GND
tPLZ/tPZL 2 x VCC
tPHZ/tPZH
tPLH/tPHL Open
SY00003
VCC
Figure 2. Load circuitry for switching times.
APPLICATION INFORMATION
All values given are typical unless otherwise specified.
Note to Figure 7: f +1
T[1
0.8 RC
0.5
1.0
1.5
2.0
average
ICC
(mA)
VCC (V)
1.8 2.1 2.41.5 3.33.02.7 3.6
negative-going
edge
positive-going
edge
SV00445
Figure 3. Average ICC for LVC Schmitt-trigger devices;
linear change of Vi between 0.8 V to 2.0 V.
SV00433
R
C
Figure 4. Relaxation oscillator using the LVC14.
Philips Semiconductors Product specification
74LVC14AHex inverting Schmitt-trigger with 5V tolerant input
1998 Apr 28 7
SO14: plastic small outline package; 14 leads; body width 3.9 mm SOT108-1
Philips Semiconductors Product specification
74LVC14AHex inverting Schmitt-trigger with 5V tolerant input
1998 Apr 28 8
SSOP14: plastic shrink small outline package; 14 leads; body width 5.3 mm SOT337-1
Philips Semiconductors Product specification
74LVC14AHex inverting Schmitt-trigger with 5V tolerant input
1998 Apr 28 9
TSSOP14: plastic thin shrink small outline package; 14 leads; body width 4.4 mm SOT402-1
Philips Semiconductors Product specification
74LVC14AHex inverting Schmitt-trigger with 5V tolerant input
yyyy mmm dd 10
Definitions
Short-form specification — The data in a short-form specification is extracted from a full data sheet with the same type number and title. For
detailed information see the relevant data sheet or data handbook.
Limiting values definition — Limiting values given are in accordance with the Absolute Maximum Rating System (IEC 134). Stress above one
or more of the limiting values may cause permanent damage to the device. These are stress ratings only and operation of the device at these or
at any other conditions above those given in the Characteristics sections of the specification is not implied. Exposure to limiting values for extended
periods may af fect device reliability.
Application information — Applications that are described herein for any of these products are for illustrative purposes only. Philips
Semiconductors make no representation or warranty that such applications will be suitable for the specified use without further testing or
modification.
Disclaimers
Life support — These products are not designed for use in life support appliances, devices or systems where malfunction of these products can
reasonably be expected to result in personal injury . Philips Semiconductors customers using or selling these products for use in such applications
do so at their own risk and agree to fully indemnify Philips Semiconductors for any damages resulting from such application.
Right to make changes — Philips Semiconductors reserves the right to make changes, without notice, in the products, including circuits, standard
cells, and/or software, described or contained herein in order to improve design and/or performance. Philips Semiconductors assumes no
responsibility or liability for the use of any of these products, conveys no license or title under any patent, copyright, or mask work right to these
products, and makes no representations or warranties that these products are free from patent, copyright, or mask work right infringement, unless
otherwise specified.
Philips Semiconductors
811 East Arques Avenue
P.O. Box 3409
Sunnyvale, California 94088–3409
Telephone 800-234-7381
Copyright Philips Electronics North America Corporation 1998
All rights reserved. Printed in U.S.A.
print code Date of release: 07-98
Document order number: 9397-750-04484
Data sheet
status
Objective
specification
Preliminary
specification
Product
specification
Product
status
Development
Qualification
Production
Definition [1]
This data sheet contains the design target or goal specifications for product development.
Specification may change in any manner without notice.
This data sheet contains preliminary data, and supplementary data will be published at a later date.
Philips Semiconductors reserves the right to make chages at any time without notice in order to
improve design and supply the best possible product.
This data sheet contains final specifications. Philips Semiconductors reserves the right to make
changes at any time without notice in order to improve design and supply the best possible product.
Data sheet status
[1] Please consult the most recently issued datasheet before initiating or completing a design.
