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даташит 74VHCT08AMTC PDF ( Datasheet )

74VHCT08AMTC Datasheet Download - Fairchild Semiconductor

Номер произв 74VHCT08AMTC
Описание Quad 2-Input AND Gate
Производители Fairchild Semiconductor
логотип Fairchild Semiconductor логотип 

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74VHCT08AMTC Даташит, Описание, Даташиты
July 1997
Revised March 1999
74VHCT08A
Quad 2-Input AND Gate
General Description
The VHCT08A is an advanced high speed CMOS 2 Input
AND Gate fabricated with silicon gate CMOS technology. It
achieves the high-speed operation similar to equivalent
Bipolar Schottky TTL while maintaining the CMOS low
power dissipation.
The internal circuit is composed of 4 stages including buffer
output, which provide high noise immunity and stable out-
put.
Protection circuits ensure that 0V to 7V can be applied to
the input pins without regard to the supply voltage and to
the output pins with VCC = 0V. These circuits prevent
device destruction due to mismatched supply and input/
output voltages. This device can be used to interface 3V to
5V systems and two supply systems such as battery
backup.
Features
s High speed: tPD = 5.0 ns (typ) at TA = 25°C
s High noise immunity: VIH = 2.0V, VIL = 0.8V
s Power down protection is provided on all inputs and
outputs
s Low noise: VOLP = 0.8V (max)
s Low power dissipation:
ICC = 2 µA (max) @ TA = 25°C
s Pin and function compatible with 74HCT08
Ordering Code:
Order Number Package Number
Package Description
74VHCT08AM
M14A
14-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-120, 0.150 Narrow
74VHCT08ASJ
M14D
14-Lead Small Outline Package (SOP), EIAJ TYPE II, 5.3mm Wide
74VHCT08AMTC
MTC14
14-Lead Thin Shrink Small Outline Package (TSSOP), JEDEC MO-153, 4.4mm Wide
74VHCT08AN
N14A
14-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-001, 0.300 Wide
Surface mount packages are also available on Tape and Reel. Specify by appending the suffix letter “X” to the ordering code
Logic Symbol
Connection Diagram
IEEE/IEC
Pin Descriptions
Pin Names
An, Bn
On
Description
Inputs
Outputs
Truth Table
A
L
L
H
H
B
L
H
L
H
O
L
L
L
H
© 1999 Fairchild Semiconductor Corporation DS500025.prf
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74VHCT08AMTC Даташит, Описание, Даташиты
Absolute Maximum Ratings(Note 1)
Supply Voltage (VCC)
DC Input Voltage (VIN)
DC Output Voltage (VOUT)
(Note 2)
(Note 3)
Input Diode Current (IIK)
Output Diode Current (IOK) (Note 4)
DC Output Current (IOUT)
DC VCC/GND Current (ICC)
Storage Temperature (TSTG)
Lead Temperature (TL)
(Soldering, 10 seconds)
0.5V to +7.0V
0.5V to +7.0V
0.5V to VCC + 0.5V
0.5V to 7.0V
20 mA
±20 mA
±25 mA
±50 mA
65°C to +150°C
260°C
Recommended Operating
Conditions (Note 5)
Supply Voltage (VCC)
Input Voltage (VIN)
Output Voltage (VOUT)
(Note 2)
(Note 3)
4.5V to 5.5V
0V to +5.5V
0V to VCC
0V to 5.5V
Operating Temperature (TOPR)
40°C to +85°C
Input Rise and Fall Time (tr, tf)
VCC = 5.0V ± 0.5V
0 ns/V 20 ns/V
Note 1: Absolute Maximum Ratings are values beyond which the device
may be damaged or have its useful life impaired. The databook specifica-
tions should be met, without exception, to ensure that the system design is
reliable over its power supply, temperature, and output/input loading vari-
ables. Fairchild does not recommend operation outside databook specifica-
tions.
Note 2: HIGH or LOW state. IOUT absolute maximum rating must be
observed.
Note 3: VCC = 0V.
Note 4: VOUT < GND, VOUT > VCC (Outputs Active).
Note 5: Unused inputs must be held HIGH or LOW. They may not float.
DC Electrical Characteristics
Symbol
VIH
VIL
VOH
VOL
IIN
ICC
ICCT
Parameter
HIGH Level
Input Voltage
LOW Level
Input Voltage
HIGH Level
Output Voltage
LOW Level Output Voltage
Input Leakage Current
Quiescent Supply Current
Maximum ICC/ Input
VCC
(V)
4.5
5.5
4.5
5.5
4.5
4.5
4.5
4.5
0 5.5
5.5
5.5
IOFF
Output Leakage Current
0.0
(Power Down State)
TA = 25°C
Min Typ Max
2.0
2.0
0.8
0.8
4.40
4.50
3.94
0.0 0.1
0.36
±0.1
2.0
1.35
0.5
TA = −40°C to +85°C
Min Max
2.0
2.0
0.8
0.8
4.40
3.80
0.1
0.44
±1.0
20.0
1.50
5.0
Units
Conditions
V
V
V VIN = VIH IOH = −50 µA
V or VIL IOH = −8 mA
V VIN = VIH IOL = 50 µA
V or VIL IOL = 8 mA
µA VIN = 5.5V or GND
µA VIN = VCC or GND
mA
V IN = 3.4V
Other Inputs = VCC or GND
µA VOUT = 5.5V
Noise Characteristics
Symbol
Parameter
VOLP
(Note 6)
Quiet Output Maximum Dynamic VOL
VOLV
(Note 6)
Quiet Output Minimum Dynamic VOL
VIHD
(Note 6)
Minimum HIGH Level Dynamic Input Voltage
VILD
(Note 6)
Maximum LOW Level Dynamic Input Voltage
Note 6: Parameter guaranteed by design.
VCC
(V)
5.0
5.0
5.0
5.0
TA = 25°C
Typ Limit
0.4 0.8
0.4
0.8
2.0
0.8
Units
V
V
V
V
Conditions
CL = 50 pF
CL = 50 pF
CL = 50 pF
CL = 50 pF
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74VHCT08AMTC Даташит, Описание, Даташиты
AC Electrical Characteristics
Symbol
Parameter
VCC
TA = 25°C
TA = −40°C to +85°C
Units
Conditions
(V) Min Typ Max Min Max
tPLH Propagation Delay
5.0
5.0 6.9 1.0 8.0 ns CL = 15 pF
tPHL
±0.5
5.5 7.9 1.0 9.0
CL = 50 pF
CIN Input Capacitance
4 10
10 pF VCC = Open
CPD Power Dissipation Capacitance
18
pF (Note 7)
Note 7: CPD is defined as the value of the internal equivalent capacitance, which is calculated from the operating current consumption without load. Average
operating current can be obtained from the equation: ICC (opr.) = CPD * VCC * fIN + ICC/4 (per gate)
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