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74VHCT14 PDF даташит

Спецификация 74VHCT14 изготовлена ​​​​«STMicroelectronics» и имеет функцию, называемую «HEX SCHMITT INVERTER».

Детали детали

Номер произв 74VHCT14
Описание HEX SCHMITT INVERTER
Производители STMicroelectronics
логотип STMicroelectronics логотип 

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74VHCT14 Даташит, Описание, Даташиты
® 74VHCT14A
s HIGH SPEED: tPD = 4 ns (TYP.) at VCC = 5V
s LOW POWER DISSIPATION:
ICC = 2 µA (MAX.) at TA = 25 oC
s TYPICAL HYSTERESIS: 0.7V at VCC = 4.5V
s POWER DOWN PROTECTION ON INPUTS &
OUTPUTS
s SYMMETRICAL OUTPUT IMPEDANCE:
|IOH| = IOL = 8 mA (MIN)
s BALANCED PROPAGATION DELAYS:
tPLH tPHL
s OPERATING VOLTAGE RANGE:
VCC (OPR) = 4.5V to 5.5V
s PIN AND FUNCTION COMPATIBLE WITH
74 SERIES 14
s IMPROVED LATCH-UP IMMUNITY
s LOW NOISE: VOLP = 0.8V (Max.)
DESCRIPTION
The 74VHCT14A is an advanced high-speed
CMOS HEX SCHMITT INVERTER fabricated
with sub-micron silicon gate and double-layer
metal wiring C2MOS technology.
The internal circuit is composed of 3 stages
including buffer output, which enable high noise
immunity and stable output.
HEX SCHMITT INVERTER
PRELIMINARY DATA
M
(Micro Package)
T
(TSSOP Package)
ORDER CODES :
74VHCT14AM
74VHCT14AT
Power down protection is provided on all inputs
and outputs and 0 to 7V can be accepted on
inputs with no regard to the supply voltage. This
device can be used to interface 5V to 3V.
Pin configuration and function are the same as
those of the VHC04 but the VHC14 has
hysteresis.
This together with its schmitt trigger function
allows it 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 2KV ESD immunity and transient excess
voltage.
PIN CONNECTION AND IEC LOGIC SYMBOLS
August 1999
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74VHCT14 Даташит, Описание, Даташиты
74VHCT14A
INPUT EQUIVALENT CIRCUIT
PIN DESCRIPTION
PIN No
1, 3, 5, 9,
11, 13
2, 4, 6, 8,
10, 12
7
14
SYMBOL NAME AND FUNCT ION
1A to 6A Data Inputs
1Y to 6Y Data Outputs
GND
VCC
Ground (0V)
Positive Supply Voltage
TRUTH TABLE
A
L
H
Y
H
L
ABSOLUTE MAXIMUM RATINGS
Symbol
Parameter
Value
Unit
VCC Supply Voltage
-0.5 to +7.0
V
VI DC Input Voltage
-0.5 to +7.0
V
VO DC Output Voltage (see note 1)
-0.5 to +7.0
V
VO DC Output Voltage (see note 2)
-0.5 to VCC + 0.5
V
IIK DC Input Diode Current
- 20 mA
IOK DC Output Diode Current
± 20 mA
IO DC Output Current
± 25 mA
ICC or IGND DC VCC or Ground Current
± 50 mA
Tstg Storage Temperature
-65 to +150
oC
TL Lead Temperature (10 sec)
300 oC
Absolute Maximum Ratings are those values beyond which damage to the device may occur. Functional operation under these condition is not implied.
1) VCC = 0V
2) High or Low State
RECOMMENDED OPERATING CONDITIONS
Symbol
Parameter
VCC Supply Voltage
VI Input Voltage
VO Output Voltage (see note 1)
VO Output Voltage (see note 2)
Top Operating Temperature
1) VCC = 0V
2) High or Low State
Valu e
4.5 to 5.5
0 to 5.5
0 to 5.5
0 to VCC
-40 to +85
Unit
V
V
V
V
oC
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74VHCT14 Даташит, Описание, Даташиты
74VHCT14A
DC SPECIFICATIONS
Symb ol
Parameter
Vt+ High Level Threshold
Voltage
Vt- Low Level Threshold
Voltage
Vh Hysteresis Voltage
VOH High Level Output
Voltage
VOL Low Level Output
Voltage
II Input Leakage Current
ICC Quiescent Supply
Current
ICC Additional Worst Case
Supply Current
IOPD Output Leakage
Current
Test Conditions
V CC
( V)
4 .5
5.5
4 .5
5.5
4 .5
5.5
4.5
4.5
4.5
4.5
0 to 5.5
5.5
IO=-50 µA
IO=-8 mA
IO=50 µA
IO=8 mA
VI = 5.5V or GND
VI = VCC or GND
Value
TA = 25 oC
Min. Typ. Max.
2.0
2.0
0.6
0.6
0.4 1.4
0.4 1.5
4.4 4.5
3.94
0.0 0.1
0.36
±0.1
2
-40 to 85 oC
Min . Max.
2.0
2.0
0.6
0.6
0.4 1.4
0.4 1.5
4.4
3.8
0.1
0.44
±1.0
20
5.5 One Input at 3.4V,
other input at VCC or
GND
0 VOUT = 5.5V
1.35
0.5
1.5
5.0
Un it
V
V
V
V
V
µA
µA
mA
µA
AC ELECTRICAL CHARACTERISTICS (Input tr = tf =3 ns)
Symb ol
Parameter
tPLH Propagation Delay
tPHL Time
(*) Voltage range is 5V ± 0.5V
Test Condition
VCC (*) CL
(V) (pF )
5.0 15
5.0 50
Value
TA = 25 oC
Min. Typ. Max.
4.0 7.0
5.5 8.0
-40 to 85 oC
Min . Max.
1.0 8.0
1.0 9.0
Unit
ns
CAPACITIVE CHARACTERISTICS
Symb ol
Parameter
Test Conditions
Value
Un it
TA = 25 oC
-40 to 85 oC
Min. Typ . Max. Min . Max.
CIN Input Capacitance
4 10
10 pF
CPD Power Dissipation
Capacitance (note 1)
12 pF
1) CPD isdefined as the value of the IC’sinternal equivalent capacitance which is calculated fromthe operating current consumption without load. (Referto
Test Circuit).Average operating current can be obtained by the following equation. ICC(opr) = CPD VCC fIN + ICC/6 (per Gate)
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