m74hct245 STMicroelectronics, m74hct245 Datasheet - Page 3

• Manufacturer Part Number: m74hct245
• Description: Octal Bus Transceiver3-state Hct245 Non Inverting Hct640 Inverting, Hct643 Inverting/non Inverting
• Manufacturer: STMicroelectronics

DC SPECIFICATIONS
AC ELECTRICAL CHARACTERISTICS (C
t
t
t
t
Symbol
Symbol
PLH
TLH
PZL
PLZ
V
V
V
I
I
V
CC
OZ
OH
I
I
OL
IH
IL
CC
I
t
t
t
t
PZH
PHZ
THL
PHL
High Level Input
Voltage
Low Level Input
Voltage
High Level Output
Voltage
Low Level Output
Voltage
Input Leakage
Current
High Impedance
Output Leakage
Current
Quiescent Supply
Current
Additional Worst
Case Supply
Current
Output Transition
Time
Propagation Delay
Time
High Impedance
Output Enable
Time
High Impedance
Output Disable
Time
Parameter
Parameter
V
V
(V)
4.5
5.5
4.5
5.5
4.5
4.5
5.5
5.5
5.5
5.5
(V)
4.5
4.5
4.5
4.5
to
to
CC
CC
Test Condition
Test Condition
(pF)
150
150
V
C
50
50
50
50
V
V
O
Other Inputs at
V
L
I
I
Per Input pin
= V
= V
V
I
I
V
I
= V
I
O
I
O
V
O
= V
CC
I
O
=-6.0 mA
=6.0 mA
I
=-20 A
= 0.5V or
I
=20 A
CC
CC
O
CC
= 2.4V
R
R
R
or GND
IH
L
L
L
= 0
L
or GND
or GND
or GND
= 1 K
= 1 K
= 1 K
or V
= 50 pF, Input t
IL
Min.
4.18
Min.
2.0
4.4
T
T
A
A
r
Typ.
4.31
0.17
Typ.
= 25° C
= 25° C
4.5
0.0
13
18
19
24
17
= t
7
f
= 6ns)
Max.
Max.
0.26
0.8
0.1
2.0
12
22
30
38
30
30
0.1
0.5
4
Value
Value
-40 to 85°C
Min.
4.13
-40 to 85°C
Min.
2.0
4.4
Max.
Max.
0.33
0.8
0.1
2.9
40
15
28
38
38
48
38
1
5
-55 to 125° C
-55 to 125° C
Min.
Min.
4.10
2.0
4.4
M74HCT245
Max.
Max.
0.40
0.8
0.1
3.0
80
18
33
45
45
57
45
10
1
Unit
Unit
mA
ns
ns
ns
ns
V
V
V
V
A
A
A
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