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M74HCT240TTR Datasheet(PDF) 3 Page - STMicroelectronics

Part # M74HCT240TTR
Description  OCTAL BUS BUFFER WITH 3 STATE OUTPUTS (INVERTED)
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

M74HCT240TTR Datasheet(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
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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