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PDF 74LVC3G14GT Data sheet ( Hoja de datos )
| Número de pieza | 74LVC3G14GT | |
| Descripción | Triple inverting Schmitt trigger with 5 V tolerant input | |
| Fabricantes | NXP Semiconductors | |
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74LVC3G14
Triple inverting Schmitt trigger with 5 V tolerant input
Rev. 03 — 31 January 2005
Product data sheet
1. General description
The 74LVC3G14 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 this
device as translator in a mixed 3.3 V and 5 V environment.
This device is fully specified for partial power-down applications using Ioff. The Ioff circuitry
disables the output, preventing the damaging backflow current through the device when it
is powered down.
The 74LVC3G14 provides three inverting buffers with Schmitt-trigger action. It is capable
of transforming slowly changing input signals into sharply defined, jitter-free output
signals.
2. Features
s Wide supply voltage range from 1.65 V to 5.5 V
s 5 V tolerant input/output for interfacing with 5 V logic
s High noise immunity
s ESD protection:
x HBM EIA/JESD22-A114-B exceeds 2000 V
x MM EIA/JESD22-A115-A exceeds 200 V.
s ±24 mA output drive (VCC = 3.0 V)
s CMOS low power consumption
s Latch-up performance exceeds 250 mA
s Direct interface with TTL levels
s Multiple package options
s Specified from −40 °C to +85 °C and −40 °C to +125 °C.
3. Applications
s Wave and pulse shaper for highly noisy environment
s Astable multivibrator
s Monostable multivibrator.
1 page  
Philips Semiconductors
74LVC3G14
Triple inverting Schmitt trigger with 5 V tolerant input
11. Recommended operating conditions
Table 7:
Symbol
VCC
VI
VO
Tamb
Recommended operating conditions
Parameter
Conditions
supply voltage
input voltage
output voltage
ambient temperature
Min Typ
1.65 -
0-
0-
−40 -
Max
5.5
5.5
VCC
+125
Unit
V
V
V
°C
12. Static characteristics
Table 8: Static characteristics
At recommended operating conditions; voltages are referenced to GND (ground = 0 V).
Symbol Parameter
Conditions
Min Typ
Tamb = −40 °C to +85 °C [1]
VOL LOW-level output
voltage
VOH HIGH-level output
voltage
ILI input leakage current
Ioff power-off leakage
current
VI = VIH or VIL
IO = 100 µA; VCC = 1.65 V to 5.5 V
IO = 4 mA; VCC = 1.65 V
IO = 8 mA; VCC = 2.3 V
IO = 12 mA; VCC = 2.7 V
IO = 24 mA; VCC = 3.0 V
IO = 32 mA; VCC = 4.5 V
VI = VIH or VIL
IO = −100 µA; VCC = 1.65 V to 5.5 V
IO = −4 mA; VCC = 1.65 V
IO = −8 mA; VCC = 2.3 V
IO = −12 mA; VCC = 2.7 V
IO = −24 mA; VCC = 3.0 V
IO = −32 mA; VCC = 4.5 V
VI = 5.5 V or GND; VCC = 5.5 V
VI or VO = 5.5 V; VCC = 0 V
--
--
--
--
--
--
VCC − 0.1 -
1.2 -
1.9 -
2.2 -
2.3 -
3.8 -
- ±0.1
- ±0.1
ICC
∆ICC
CI
quiescent supply current VI = VCC or GND; IO = 0 A; VCC = 5.5 V
additional quiescent
supply per pin
VI = VCC − 0.6 V; IO = 0 A;
VCC = 2.3 V to 5.5 V
input capacitance
- 0.1
-5
- 3.5
Max
0.1
0.45
0.3
0.4
0.55
0.55
-
-
-
-
-
-
±5
±10
10
500
-
Unit
V
V
V
V
V
V
V
V
V
V
V
V
µA
µA
µA
µA
pF
9397 750 14543
Product data sheet
Rev. 03 — 31 January 2005
© Koninklijke Philips Electronics N.V. 2005. All rights reserved.
5 of 17
5 Page 
Philips Semiconductors
17. Application information
74LVC3G14
Triple inverting Schmitt trigger with 5 V tolerant input
50
ICC
(mA)
40
mnb086
(1)
30
20
(2)
10
0
2 3456
VCC (V)
(1) Positive-going edge.
(2) Negative-going edge.
Linear change of VI between 0.8 V and 2.0 V. All values given are typical, unless otherwise
specified.
Fig 11. Average ICC as a function of VCC
R
f = T-1-- ≈ 0---.--8----×-1----R----C---
Fig 12. Relaxation oscillator
C
mna035
9397 750 14543
Product data sheet
Rev. 03 — 31 January 2005
© Koninklijke Philips Electronics N.V. 2005. All rights reserved.
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