74V2T07 PDF даташит
Спецификация 74V2T07 изготовлена «ST Microelectronics» и имеет функцию, называемую «TRIPLE BUFFER». |
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Детали детали
Номер произв | 74V2T07 |
Описание | TRIPLE BUFFER |
Производители | ST Microelectronics |
логотип |
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74V2T07
TRIPLE BUFFER (OPEN DRAIN)
s HIGH SPEED: tPD = 4.3ns (TYP.) at VCC = 5V
s LOW POWER DISSIPATION:
ICC = 1µA(MAX.) at TA = 25°C
s COMPATIBLE WITH TTL OUTPUTS:
VIH = 2V (MIN), VIL = 0.8V (MAX)
s POWER DOWN PROTECTION ON INPUT
s OPERATING VOLTAGE RANGE:
VCC(OPR) = 4.5V to 5.5V
s IMPROVED LATCH-UP IMMUNITY
DESCRIPTION
The 74V2T07 is an advanced high-speed CMOS
TRIPLE BUFFER (OPEN DRAIN) fabricated with
sub-micron silicon gate and double-layer metal
wiring C2MOS technology.
The internal circuit is composed of 2 stages
including buffer output, which provide high noise
immunity and stable output.
SOT23-8L
ORDER CODES
PACKAGE
SOT23-8L
T&R
74V2T07STR
Power down protection is provided on input and 0
to 7V can be accepted on input with no regard to
the supply voltage. This device can be used to
interface 5V to 3V.
PIN CONNECTION AND IEC LOGIC SYMBOLS
June 2003
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74V2T07
INPUT EQUIVALENT CIRCUIT
PIN DESCRIPTION
PIN N°
1, 3, 6
7, 5, 2
4
8
SYMBOL
1A, 2A, 3A
1Y, 2Y, 3Y
GND
VCC
NAME QND FUNCTION
Data Inputs
Data Outputs
Ground (0V)
Positive Supply Voltage
TRUTH TABLE
A
L
H
Z: High Impedance
Y
L
Z
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
-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
°C
TL Lead Temperature (10 sec)
260 °C
Absolute Maximum Ratings are those values beyond which damage to the device may occur. Functional operation under these conditions is
not implied.
RECOMMENDED OPERATING CONDITIONS
Symbol
Parameter
VCC Supply Voltage
VI Input Voltage
VO Output Voltage
Top Operating Temperature
dt/dv Input Rise and Fall Time (note 1) (VCC = 5.0 ± 0.5V)
1) VIN from 0.8V to 2V
Value
4.5 to 5.5
0 to 5.5
0 to VCC
-55 to 125
0 to 20
Unit
V
V
V
°C
ns/V
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74V2T07
DC SPECIFICATIONS
Symbol
Parameter
VIH
VIL
VOL
IOZ
II
ICC
∆ICC
High Level Input
Voltage
Low Level Input
Voltage
Low Level Output
Voltage
High Impedance
Output Leakage
Current
Input Leakage
Current
Quiescent Supply
Current
Additional Worst
Case Supply
Current
Test Condition
Value
VCC
(V)
4.5 to
5.5
4.5 to
5.5
4.5
4.5
5.5
IO=50 µA
IO=8 mA
VI = VIH or VIL
VO = VCC or GND
TA = 25°C
-40 to 85°C -55 to 125°C Unit
Min. Typ. Max. Min. Max. Min. Max.
2 22V
0.8 0.8 0.8 V
0.0 0.1
0.36
±0.25
0.1
0.44
± 2.5
0.1
0.55
± 5.0
V
µA
0 to
5.5
VI = 5.5V or GND
5.5 VI = VCC or GND
One Input at 3.4V,
5.5 other input at VCC
or GND
± 0.1
1
1.35
± 1.0
10
1.5
± 1.0 µA
20 µA
1.5 mA
AC ELECTRICAL CHARACTERISTICS (Input tr = tf = 3ns)
Test Condition
Value
Symbol
Parameter
VCC CL
(V) (pF)
tPZL Enable Delay Time 5.0 (*)
5.0 (*)
tPLZ Disable Delay Time 5.0 (*)
5.0 (*)
(*) Voltage range is 5.0V ± 0.5V
15
50
15
50
TA = 25°C
-40 to 85°C -55 to 125°C Unit
Min. Typ. Max. Min. Max. Min. Max.
3.7 7.0 1.0 8.0 1.0 9.0
ns
4.1 8.0 1.0 9.0 1.0 10.0
4.3 7.0 1.0 8.0 1.0 9.0
ns
4.7 8.0 1.0 9.0 1.0 10.0
CAPACITIVE CHARACTERISTICS
Test Condition
Value
Symbol
Parameter
TA = 25°C
-40 to 85°C -55 to 125°C Unit
Min. Typ. Max. Min. Max. Min. Max.
CIN Input Capacitance
4 10 10 10 pF
COUT
Output
Capacitance
5 pF
CPD Power Dissipation
Capacitance
(note 1)
9
pF
1) CPD is defined as the value of the IC’s internal equivalent capacitance which is calculated from the operating current consumption without
load. (Refer to Test Circuit). Average operating current can be obtained by the following equation. ICC(opr) = CPD x VCC x fIN + ICC/3
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