74ACT541 STMicroelectronics, 74ACT541 Datasheet - Page 3

• Manufacturer Part Number: 74ACT541
• Description: OCTAL BUS BUFFER WITH 3 STATE OUTPUTS NON INVERTED
• Manufacturer: STMicroelectronics

DC SPECIFICATIONS
1) Maximum test duration 2ms, one output loaded attime
2) Incident wave switching is guaranteed on transmission lines with impedances as low as 50 .
AC ELECTRICAL CHARACTERISTICS (C
(*) Voltage range is 5V 0.5V
CAPACITIVE CHARACTERISTICS
1) C
Test Circuit). Average operating current can be obtained by the following equation. I
Symb ol
Symb ol
Symbo l
V
I
V
I
I
t
t
t
t
t
t
C
PD
V
V
I
I
OHD
CCT
OLD
PLH
PHL
PZH
PHZ
C
PZL
PLZ
OZ
CC
I
OH
OL
IH
PD
IL
I
IN
is defined as the value of the IC’s internal equivalent capacitance which is calculated from the operating current consumption without load. (Refer to
High Level Input Voltage
Low Level Input Voltage
High Level Output
Voltage
Low Level Output
Voltage
Input Leakage Current
3 State Output Leakage
Current
Max I
Quiescent Supply
Current
Dynamic Output Current
(note 1, 2)
Propagation Delay Time
Output Enable Time
Output Disable Time
Input Capacitance
Power Dissipation
Capacitance (note 1)
CC
Parameter
Parameter
Parameter
/Input
V
V
5.0
5.0
5.0
V
(V)
(V)
4.5
5.5
5.5
4.5
5.5
4.5
5.5
4.5
5.5
4.5
5.5
5.5
5.5
5.5
5.5
(V)
4.5
5.5
5.0
5.0
CC
CC
CC
(*)
(*)
(*)
Test Co nditions
Test Con dition s
T est Con ditio n
L
V
V
V
V
= 50 pF, R
V
V
IH
V
IH
V
I
I
V
(*)
(*)
V
V
OLD
IL
IL
OHD
V
O
V
V
or
or
I
V
I
=
=
I
= V
= V
V
V
O
O
= V
I
= V
= V
CC
CC
= 1.65 V max
= 0.1 V or
= 0.1 V or
= 3.85 V min
CC
CC
CC
CC
- 0.1 V
- 0.1 V
IH
I
I
I
I
I
I
I
O
O
I
orGND
orGND
O
O
O
O
O
O
orGND
orV
=-24 mA
=-24 mA
-2.1V
=-50 A
=-50 A
=50 mA
=24 mA
=24 mA
=50 A
L
CC
IL
= 500 , Input t
(opr) = C
Min.
Min.
Min.
PD
3.86
4.86
2.0
2.0
4.4
5.4
1.5
1.5
1.5
V
T
T
T
CC
A
A
A
= 25
T yp.
0.001
0.001
= 25
T yp.
T yp.
= 25
4.49
5.49
f
1.5
1.5
1.5
1.5
0.6
IN
22
5
6
6
r
4
+ I
= t
CC
o
o
o
/8 (per circuit)
C
f
C
Valu e
Valu e
C
Value
Max.
Max.
Max.
=3 ns)
0.36
0.36
0.8
0.8
0.1
0.1
6.5
7.8
7.8
0.1
0.5
4
-40 to 85
-40 to 85
-40 to 85
Min.
Min.
Min.
3.76
4.76
2.0
2.0
4.4
5.4
1.5
1.5
1.5
Max.
Max.
Max.
0.44
0.44
7.15
-75
0.8
0.8
0.1
0.1
1.5
8.5
8.5
40
75
74ACT541
1
5
o
o
o
C
C
C
Un it
Un it
Unit
mA
mA
mA
ns
ns
ns
pF
pF
V
V
V
V
A
A
A
3/8