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PDF 74VHC14 Data sheet ( Hoja de datos )
| Número de pieza | 74VHC14 | |
| Descripción | HEX SCHMITT INVERTER | |
| Fabricantes | STMicroelectronics | |
| Logotipo |  |
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74VHC14
Hex Schmitt inverter
Datasheet − production data
Features
■ High speed: tPD = 5.5 ns (typ.) at VCC = 5 V
■ Low power dissipation
– ICC = 2 μA (max.) at TA = 25 °C
■ Typical hysteresis: Vh = 1 V at VCC = 4.5 V
■ Power-down protection on inputs
– Symmetrical output impedance
|IOH| = IOL = 8 mA (min.)
■ Balanced propagation delay: tPLH ≅ tPHL
■ Operating voltage range
– VCC (opr.) = 2 V to 5.5 V
■ Pin and function compatible with 74 series 14
■ Improved latch-up immunity
■ Low noise
– VOLP = 0.8 V (max.)
■ ESD performance
– HBM: 2000 V
– MM: 200 V
– CDM: 1000 V
Applications
■ Automotive
■ Industrial
■ Computer
■ Consumer
TSSOP14
SO-14
Description
The 74VHC14 device is an advanced high-speed
CMOS hex Schmitt inverter manufactured with
sub-micron silicon gate and double-layer metal
wiring C2MOS technology. The internal circuit is
composed of 3 stages including a buffer output,
which provides high noise immunity and stable
output.
Power-down protection is provided on all inputs
and 0 to 7 V can be accepted on inputs
regardless of the supply voltage. This device can
be used to interface from 5 V to 3 V.
Pin configuration and function are the same as
those of the 74VHC04 device but the 74VHC14
device has hysteresis.
This along with its Schmitt trigger function allows
the device to be used on line receivers with slow
rise/fall input signals.
All inputs and outputs are equipped with
protection circuits against static discharge, giving
them 2 kV ESD immunity and transient excess
voltage.
Table 1. Device summary
Order code
Temperature range
Package
Packaging
Marking
74VHC14TTR
74VHC14YTTR(1)
74VHC14MTR
74VHC14YMTR(1)
-55/+125 °C
-40/+125 °C
-55/+125 °C
-40/+125 °C
TSSOP14
TSSOP14 (automotive grade)
SO-14
SO-14 (automotive grade)
Tape and reel
Tape and reel
Tape and reel
Tape and reel
VHC14
VHC14Y
74VHC14
74VHC14Y
1. Qualification and characterization according to AEC Q100 and Q003 or equivalent, advanced screening according to AEC
Q001 and Q002 or equivalent.
October 2012
This is information on a product in full production.
Doc ID 5741 Rev 9
1/16
www.st.com
16
1 page  
74VHC14
3 Maximum ratings
Maximum ratings
Stressing the device above the rating listed in Table 4: Absolute maximum ratings may
cause permanent damage to the device. These are stress ratings only and operation of the
device at these or any other conditions above those indicated in Table 5: Recommended
operating conditions of this specification is not implied. Exposure to absolute maximum
rating conditions for extended periods may affect device reliability.
Table 4.
Symbol
Absolute maximum ratings
Parameter
VCC
VI
VO
IIK
IOK
IO
ICC
IGND
Tstg
TL
Supply voltage
DC input voltage
DC output voltage
DC input diode current
DC output diode current
DC output current
DC supply current per supply pin
DC ground current per supply pin
Storage temperature
Lead temperature (10 sec.)
Value
-0.5 to +7.0
-0.5 to +7.0
-0.5 to VCC + 0.5
- 20
± 20
± 25
± 50
± 50
-65 to +150
300
Unit
V
V
V
mA
mA
mA
mA
mA
°C
°C
Recommended operating conditions
Table 5. Recommended operating conditions
Symbol
Parameter
VCC Supply voltage
VI Input voltage
VO Output voltage
TSSOP14, SO-14
Top Operating temperature
TSSOP14 (automotive grade)
Value
2 to 5.5
0 to 5.5
0 to VCC
-55 to +125
-40 to +125
Unit
V
V
V
°C
°C
Doc ID 5741 Rev 9
5/16
5 Page 
74VHC14
Figure 6. SO-14 package outline
Package information
Table 10. SO-14 package mechanical data
Dimensions
Symbol
mm
Min.
Typ.
Max.
Min.
A 1.35
1.75 0.053
A1 0.1
0.25 0.004
A2 1.10
1.65 0.043
B 0.33
0.51 0.013
C 0.19
0.25 0.007
D 8.55
8.75 0.337
E 3.8
4.0 0.150
e 1.27
H 5.8
6.2 0.228
h 0.25
0.50 0.010
L 0.4
1.27 0.016
k 0°
8° 0°
ddd 0.100
inch
Typ.
0.050
Max.
0.069
0.010
0.065
0.020
0.010
0.344
0.157
0.244
0.020
0.050
8°
0.004
Doc ID 5741 Rev 9
11/16
11 Page | ||
| Páginas | Total 16 Páginas | |
| PDF Descargar | [ Datasheet 74VHC14.PDF ] | |
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