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74VHCT240AM 数据表(PDF) 3 Page - STMicroelectronics

部件名 74VHCT240AM
功能描述  OCTAL BUS BUFFER WITH 3 STATE OUTPUTS INVERTED
PDF  8 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

74VHCT240AM 数据表(HTML) 3 Page - STMicroelectronics

  74VHCT240AM Datasheet HTML 1Page - STMicroelectronics 74VHCT240AM Datasheet HTML 2Page - STMicroelectronics 74VHCT240AM Datasheet HTML 3Page - STMicroelectronics 74VHCT240AM Datasheet HTML 4Page - STMicroelectronics 74VHCT240AM Datasheet HTML 5Page - STMicroelectronics 74VHCT240AM Datasheet HTML 6Page - STMicroelectronics 74VHCT240AM Datasheet HTML 7Page - STMicroelectronics 74VHCT240AM Datasheet HTML 8Page - STMicroelectronics  
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AC ELECTRICAL CHARACTERISTICS (Input tr =tf =3 ns)
Symb ol
Parameter
Test Co nditi on
Val ue
Un it
VCC
(V)
CL
(pF )
TA =25
oC
-40 to 85
oC
Min.
Typ .
Max.
Min .
Max.
tPLH
tPHL
Propagation Delay
Time
5.0
(*)
15
5.6
7.8
1.0
9.0
ns
5.0
(*)
50
6.1
8.8
1.0
10.0
tPLZ
tPHZ
Output Disable Time
5.0
(*)
15
RL =1K
Ω
7.7
10.4
1.0
12.0
ns
5.0
(*)
50
8.2
11.4
1.0
13.0
tPZL
tPZH
Output Enable Time
5.0
(*)
50
RL =1K
Ω
8.8
11.4
1.0
13.0
ns
(*) Voltage range is 5.0V
± 0.5V
DC SPECIFICATIONS
Symb ol
Parameter
T est Cond ition s
Val ue
Un it
VCC
(V)
TA =25
oC
-40 to 85
oC
Min.
Typ .
Max.
Min .
Max.
VIH
High Level Input
Voltage
4.5 to 5.5
2
2
V
VIL
Low Level Input
Voltage
4.5 to 5.5
0.8
0.8
V
VOH
High Level Output
Voltage
4.5
IO=-50
µA4.4
4.5
4.4
V
4.5
IO=-8 mA
3.94
3.8
VOL
Low Level Output
Voltage
4.5
IO=50
µA
0.0
0.1
0.1
V
4.5
IO=8 mA
0.36
0.44
IOZ
High Impedance
Output Leakage
Current
4.5 to 5.5
VI =VIH orVIL
VO =0V to5.5V
±0.25
±2.5
µA
II
Input Leakage Current
0 to 5.5
VI =5.5Vor GND
±0.1
±1.0
µA
ICC
Quiescent Supply
Current
5.5
VI =VCC orGND
2
20
µA
∆ICC
Additional Worst Case
Supply Current
5.5
One Input at 3.4V,
other input at VCC or
GND
1.35
1.5
mA
IOPD
Output Leakage
Current
0VOUT = 5.5V
0.5
5.0
µA
74VHCT240A
3/8



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