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74LCX27 PDF даташит

Спецификация 74LCX27 изготовлена ​​​​«Fairchild Semiconductor» и имеет функцию, называемую «Low Voltage Triple 3-Input NOR Gate with 5V Tolerant Inputs».

Детали детали

Номер произв 74LCX27
Описание Low Voltage Triple 3-Input NOR Gate with 5V Tolerant Inputs
Производители Fairchild Semiconductor
логотип Fairchild Semiconductor логотип 

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74LCX27 Даташит, Описание, Даташиты
February 2001
Revised February 2001
74LCX27
Low Voltage Triple 3-Input NOR Gate
with 5V Tolerant Inputs
General Description
The LCX27 contains three 3-input NOR gates. The inputs
tolerate voltages up to 7V allowing the interface of 5V sys-
tems to 3V systems.
The 74LCX27 is fabricated with advanced CMOS technol-
ogy to achieve high speed operation while maintaining
CMOS low power dissipation.
Features
s 5V tolerant inputs
s 2.3V–3.6V VCC specifications provided
s 4.9 ns tPD max (VCC = 3.3V), 10 µA ICC max
s Power down high impedance inputs and outputs
s ±24 mA output drive (VCC = 3.0V)
s Implements patented noise/EMI reduction circuitry
s Latch-up performance exceeds 500 mA
s ESD performance:
Human body model > 2000V
Machine model > 200V
Ordering Code:
Order Number Package Number
Package Description
74LCX27M
M14A
14-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-012, 0.150 Narrow
74LCX27SJ
M14D
14-Lead Small Outline Package (SOP), EIAJ TYPE II, 5.3mm Wide
74LCX27MTC
MTC14
14-Lead Thin Shrink Small Outline Package (TSSOP), JEDEC MO-153, 4.4mm Wide
Devices also available in Tape and Reel. Specify by appending the suffix letter Xto the ordering code.
Logic Symbol
Connection Diagram
IEEE/IEC
Pin Descriptions
Pin Names
An, Bn, Cn
On
Description
Inputs
Outputs
Truth Table
On = An + Bn + Cn
Inputs
An Bn Cn
HXX
XHX
XXH
LLL
H = HIGH Voltage Level L = LOW Voltage Level
Output
On
L
L
L
H
X = Immaterial
© 2001 Fairchild Semiconductor Corporation DS500454
www.fairchildsemi.com









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74LCX27 Даташит, Описание, Даташиты
Absolute Maximum Ratings(Note 1)
Symbol
Parameter
VCC Supply Voltage
VI DC Input Voltage
VO DC Output Voltage
IIK DC Input Diode Current
IOK DC Output Diode Current
IO
ICC
IGND
TSTG
DC Output Source/Sink Current
DC Supply Current per Supply Pin
DC Ground Current per Ground Pin
Storage Temperature
Value
0.5 to +7.0
0.5 to +7.0
0.5 to VCC + 0.5
50
50
+50
±50
±100
±100
65 to +150
Conditions
Output in HIGH or LOW State (Note 2)
VI < GND
VO < GND
VO > VCC
Units
V
V
V
mA
mA
mA
mA
mA
°C
Recommended Operating Conditions (Note 3)
Symbol
Parameter
Min
Max
Units
VCC Supply Voltage
Operating
Data Retention
2.0
1.5
3.6
3.6
V
VI Input Voltage
0 5.5 V
VO Output Voltage
HIGH or LOW State 0 VCC V
IOH/IOL Output Current
VCC = 3.0V 3.6V
±24
VCC = 2.7V - 3.0V
±12 mA
VCC = 2.3V - 2.7V
±8
TA Free-Air Operating Temperature
40 85
°C
t/V
Input Edge Rate, VIN = 0.8V2.0V, VCC = 3.0V
0 10 ns/V
Note 1: The Absolute Maximum Ratings are those values beyond which the safety of the device cannot be guaranteed. The device should not be operated
at these limits. The parametric values defined in the Electrical Characteristics tables are not guaranteed at the Absolute Maximum Ratings. The Recom-
mended Operating Conditionstable will define the conditions for actual device operation.
Note 2: IO Absolute Maximum Rating must be observed.
Note 3: Unused inputs must be held HIGH or LOW. They may not float.
DC Electrical Characteristics
Symbol
Parameter
VIH HIGH Level Input Voltage
VIL LOW Level Input Voltage
VOH HIGH Level Output Voltage
VOL LOW Level Output Voltage
II
IOFF
ICC
ICC
Input Leakage Current
Power-Off Leakage Current
Quiescent Supply Current
Increase in ICC per Input
Conditions
IOH = −100 µA
IOH = −8 mA
IOH = −12 mA
IOH = −18 mA
IOH = −24 mA
IOL = 100 µA
IOL = 8mA
IOL = 12 mA
IOL = 16 mA
IOL = 24 mA
0 VI 5.5V
VI or VO = 5.5V
VI = VCC or GND
3.6V VI 5.5V
VIH = VCC 0.6V
VCC
(V)
2.3 2.7
2.7 3.6
2.3 2.7
2.7 3.6
2.3 3.6
2.3
2.7
3.0
3.0
2.3 3.6
2.3
2.7
3.0
3.0
2.3 3.6
0
2.3 3.6
2.3 3.6
2.3 3.6
TA = −40°C to +85°C
Min Max
1.7
2.0
0.7
0.8
VCC 0.2
1.8
2.2
2.4
2.2
0.2
0.6
0.4
0.4
0.55
±5.0
10
10
±10
500
Units
V
V
V
V
µA
µA
µA
µA
www.fairchildsemi.com
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74LCX27 Даташит, Описание, Даташиты
AC Electrical Characteristics
TA = −40°C to +85°CF, RL = 500
Symbol
Parameter
VCC = 3.3V ± 0.3V
CL = 50pF
VCC = 2.7V
CL = 50pF
VCC = 2.5V ± 0.2V
CL = 30pF
Units
Min Max Min Max Min Max
tPHL Propagation Delay
tPLH
1.5 4.9 1.5 5.8 1.5 5.9
ns
1.5 4.9 1.5 5.8 1.5 5.9
tOSHL
tOSLH
Output to Output Skew (Note 4)
1.0
1.0
ns
Note 4: Skew is defined as the absolute value of the difference between the actual propagation delay for any two separate outputs of the same device. The
specification applies to any outputs switching in the same direction, either HIGH-to-LOW (tOSHL) or LOW-to-HIGH (tOSLH).
Dynamic Switching Characteristics
Symbol
Parameter
VOLP
Quiet Output Dynamic Peak VOL
VOLV
Quiet Output Dynamic Valley VOL
Capacitance
Conditions
CL = 50 pF, VIH = 3.3V, VIL = 0V
CL = 30 pF, VIH = 2.5V, VIL = 0V
CL = 50 pF, VIH = 3.3V, VIL = 0V
CL = 30 pF, VIH = 2.5V, VIL = 0V
VCC TA = 25°C Unit
(V) Typical
3.3 0.8
2.5 0.6
V
3.3 0.8
2.5 0.6
V
Symbol
CIN
COUT
CPD
Parameter
Input Capacitance
Output Capacitance
Power Dissipation Capacitance
Conditions
VCC = Open, VI = 0V or VCC
VCC = 3.3V, VI = 0V or VCC
VCC = 3.3V, VI = 0V or VCC, f = 10 MHz
Typical
7
8
25
Units
pF
pF
pF
3 www.fairchildsemi.com










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