74VHC240 STMicroelectronics, 74VHC240 Datasheet - Page 3

• Manufacturer Part Number: 74VHC240
• Description: OCTAL BUS BUFFER WITH 3 STATE OUTPUTS INVERTED
• Manufacturer: STMicroelectronics

DC SPECIFICATIONS
AC ELECTRICAL CHARACTERISTICS (Input t
(*) Voltage range is 3.3V 0.3V
(**) Voltage range is 5V 0.5V
Note 1: Parameter guaranteed by design. t
Symb ol
Symb ol
t
t
V
V
t
t
t
t
t
t
OSLH
OSHL
V
V
I
I
PLH
PHL
PZH
PHZ
PZL
PLZ
OZ
CC
I
OH
OL
IH
IL
I
High Level Input
Voltage
Low Level Input
Voltage
High Level Output
Voltage
Low Level Output
Voltage
High Impedance
Output Leakage
Current
Input Leakage Current
Quiescent Supply
Current
Propagation Delay
Time
Output Enable Time
Output Disable Time
Output to Output Skew
Time (note 1)
Parameter
Parameter
soLH
= |t
3.0 to 5.5
3.0 to 5.5
0 to 5.5
pLHm
5.0
5.0
5.0
5.0
5.0
5.0
V
V
3.3
3.3
3.3
3.3
3.3
3.3
(V)
(V)
2.0
2.0
2.0
3.0
4.5
3.0
4.5
2.0
3.0
4.5
3.0
4.5
5.5
5.5
CC
CC
(**)
(**)
(**)
(**)
(**)
(**)
(*)
(*)
(*)
(*)
(*)
(*)
- t
T est Cond ition s
pLHn
Test Co ndition
|, t
soHL
(pF )
C
V
V
15
50
15
50
15
50
15
50
50
50
50
50
V
= |t
O
I
L
I
V
= 5.5V or GND
= V
= V
I
I
I
I
pHLm
I
I
I
I
I
O
O
O
I
I
O
O
= V
O
O
O
O
O
r
=-50 A
=-50 A
=-50 A
=-4 mA
=-8 mA
=50 A
=50 A
=50 A
=4 mA
=8 mA
CC
CC
= t
IH
- t
R
R
R
R
R
R
orGND
pHLn
orGND
orV
f
L
L
L
L
L
L
=3 ns)
= 1K
= 1K
= 1K
= 1K
= 1K
= 1K
|
IL
0.7V
Min.
Min.
2.58
3.94
1.5
1.9
2.9
4.4
CC
T
T
A
A
Typ .
Typ .
= 25
= 25
10.3
2.0
3.0
4.5
0.0
0.0
0.0
5.3
7.8
3.6
5.1
6.6
9.1
4.7
6.2
6.7
o
o
C
C
Value
Value
0.3V
Max.
Max.
0.36
0.36
11.0
10.6
14.1
14.0
0.5
0.1
0.1
0.1
0.25
7.5
5.5
7.5
7.3
9.3
9.2
1.5
1.0
0.1
4
CC
0.7V
-40 to 85
-40 to 85
Min .
Min .
2.48
1.5
1.9
2.9
4.4
3.8
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
CC
0.3V
Max.
Max.
0.44
0.44
12.5
12.5
16.0
10.5
16.0
10.5
0.5
0.1
0.1
0.1
9.0
6.5
8.5
8.5
1.5
1.0
40
74VHC240
2.5
1.0
o
o
C
CC
C
Un it
Un it
ns
ns
ns
ns
V
V
V
V
A
A
A
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