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M74HCT244 датащи(PDF) 3 Page - STMicroelectronics

номер детали M74HCT244
подробное описание детали  OCTAL BUS BUFFER WITH 3 STATE OUTPUTS (NON INVERTED)
PDF  9 Pages
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производитель  STMICROELECTRONICS [STMicroelectronics]
домашняя страница  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

M74HCT244 датащи(HTML) 3 Page - STMicroelectronics

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DC SPECIFICATIONS
AC ELECTRICAL CHARACTERISTICS (CL = 50 pF, Input tr = tf = 6ns)
Symbol
Parameter
Test Condition
Value
Unit
VCC
(V)
TA = 25°C
-40 to 85°C
-55 to 125°C
Min.
Typ.
Max.
Min.
Max.
Min.
Max.
VIH
High Level Input
Voltage
4.5
to
5.5
2.0
2.0
2.0
V
VIL
Low Level Input
Voltage
4.5
to
5.5
0.8
0.8
0.8
V
VOH
High Level Output
Voltage
4.5
IO=-20 µA
4.4
4.5
4.4
4.4
V
IO=-6.0 mA
4.18
4.31
4.13
4.10
VOL
Low Level Output
Voltage
4.5
IO=20 µA
0.0
0.1
0.1
0.1
V
IO=6.0 mA
0.17
0.26
0.33
0.40
II
Input Leakage
Current
5.5
VI = VCC or GND
± 0.1
± 1
± 1
µA
IOZ
High Impedance
Output Leakage
Current
5.5
VI = VIH or VIL
VO = VCC or GND
± 0.5
± 5
± 10
µA
ICC
Quiescent Supply
Current
5.5
VI = VCC or GND
440
80
µA
∆ I
CC
Additional Worst
Case Supply
Current
5.5
Per Input pin
VI = 0.5V or
VI = 2.4V
Other Inputs at
VCC or GND
2.0
2.9
3.0
mA
Symbol
Parameter
Test Condition
Value
Unit
VCC
(V)
CL
(pF)
TA = 25°C
-40 to 85°C
-55 to 125°C
Min.
Typ.
Max.
Min.
Max.
Min.
Max.
tTLH tTHL Output Transition
Time
4.5
50
7
12
15
18
ns
tPLH tPHL Propagation Delay
Time
4.5
50
15
22
28
33
ns
4.5
150
21
30
38
45
tPLH tPHL Propagation Delay
Time
4.5
50
15
25
31
38
ns
4.5
150
21
33
41
50
tPZL tPZH Output Enable
Time
4.5
50
RL = 1 KΩ
17
30
38
45
ns
4.5
150
23
38
48
57
tPLZ tPHZ Output Disable
Time
4.5
50
RL = 1 KΩ
16
30
38
45
ns



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