參數(shù)資料
型號(hào): 74ACT245MTR
廠商: 意法半導(dǎo)體
元件分類: 通用總線功能
英文描述: OCTAL BUS TRANSCEIVER WITH 3 STATE OUTPUTS (NON INVERTED)
中文描述: 八路總線收發(fā)器與三態(tài)輸出(非反相)
文件頁(yè)數(shù): 3/9頁(yè)
文件大?。?/td> 271K
代理商: 74ACT245MTR
74ACT245
3/9
DC SPECIFICATIONS
1) Maximum test duration 2ms, one output loaded at time
2) Incident wave switching is guaranteed on transmission lines with impedances as low as 50
AC ELECTRICAL CHARACTERISTICS
(C
L
= 50 pF, R
L
= 500
, Input t
r
= t
f
= 3ns)
(*) Voltage range is 5.0V
±
0.5V
Symbol
Parameter
Test Condition
Value
Unit
V
CC
(V)
T
A
= 25°C
-40 to 85°C
-55 to 125°C
Min.
Typ.
Max.
Min.
Max.
Min.
Max.
V
IH
High Level Input
Voltage
4.5
5.5
4.5
5.5
4.5
5.5
4.5
5.5
4.5
5.5
4.5
5.5
V
O
= 0.1 V or
V
CC
-0.1V
V
O
= 0.1 V or
V
CC
-0.1V
I
O
=-50
μ
A
I
O
=-50
μ
A
I
O
=-24 mA
I
O
=-24 mA
I
O
=50
μ
A
I
O
=50
μ
A
I
O
=24 mA
I
O
=24 mA
2.0
2.0
1.5
1.5
1.5
1.5
4.49
5.49
2.0
2.0
2.0
2.0
V
V
IL
Low Level Input
Voltage
0.8
0.8
0.8
0.8
0.8
0.8
V
V
OH
High Level Output
Voltage
4.4
5.4
3.86
4.86
4.4
5.4
3.76
4.76
4.4
5.4
3.7
4.7
V
V
OL
Low Level Output
Voltage
0.001
0.001
0.1
0.1
0.36
0.36
0.1
0.1
0.44
0.44
0.1
0.1
0.5
0.5
I
I
Input Leakage Cur-
rent
High Impedance
Output Leakege
Current
Max I
CC
/Input
Quiescent Supply
Current
5.5
V
I
= V
CC
or GND
±
0.1
±
1
±
1
μ
A
I
OZ
5.5
V
I
= V
IH
or V
IL
V
O
= V
CC
or GND
±
0.5
±
5
±
10
μ
A
I
CCT
I
CC
5.5
V
I
= V
CC
- 2.1V
0.6
1.5
1.6
mA
5.5
V
I
= V
CC
or GND
4
40
80
μ
A
I
OLD
I
OHD
Dynamic Output
Current (note 1, 2)
5.5
V
OLD
= 1.65 V max
V
OHD
= 3.85 V min
75
-75
50
-50
mA
mA
Symbol
Parameter
Test Condition
Value
Unit
V
CC
(V)
T
A
= 25°C
-40 to 85°C
-55 to 125°C
Min.
Typ.
Max.
Min.
Max.
Min.
Max.
t
PLH
t
PHL
Propagation Delay
Time
t
PZL
t
PZH
Output Enable
Time
t
PLZ
t
PHZ
Output Disable
Time
5.0
(*)
1.5
5.4
8.0
1.5
9.0
1.5
10.0
ns
5.0
(*)
1.5
6.3
10.0
1.5
12.0
1.5
13.0
ns
5.0
(*)
1.5
7.4
10.0
1.5
11.0
1.5
12.0
ns
相關(guān)PDF資料
PDF描述
74ACT245TTR OCTAL BUS TRANSCEIVER WITH 3 STATE OUTPUTS (NON INVERTED)
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