參數(shù)資料
型號(hào): 74LVX4245WMX
廠商: NATIONAL SEMICONDUCTOR CORP
元件分類: 通用總線功能
英文描述: 8-Bit Dual Supply Translating Transceiver with TRI-STATE Outputs
中文描述: LV/LV-A/LVX/H SERIES, 8-BIT TRANSCEIVER, TRUE OUTPUT, PDSO24
封裝: 0.300 INCH, PLASTIC, SOIC-24
文件頁(yè)數(shù): 4/13頁(yè)
文件大?。?/td> 309K
代理商: 74LVX4245WMX
74LVX4245
4/13
Table 7: DC Specifications For V
CCB
Table 8: Dynamic Switching Characteristics
1) Worst case package
2) Max number of output defined as (n). Data inputs are driven 0V to 3.3V, (n-1) outputs switching and one output at GND
3) Max number of data inputs (n) switching. (n-1) switching 0V to 3.3V. Inputs under test switching: 3V to threshold (V
ILD
). 0V to threshold
(V
IHD
) f = 1MHz
Symbol
Parameter
Test Condition
Value
Unit
V
CCA
(V)
V
CCB
(V)
T
A
= 25 °C
-40 to 85 °C -55 to 125°C
Min.
Typ.
Max.
Min.
Max.
Min.
Max.
V
IHB
High Level Input
Voltage
5.0
5.0
5.0
5.0
4.5
4.5
4.5
4.5
4.5
4.5
3.6
2.7
3.6
2.7
3.0
3.0
2.7
3.0
3.0
2.7
2.0
2.0
2.0
2.0
2.0
2.0
V
V
ILB
Low Level Input
Voltage
0.8
0.8
0.8
0.8
0.8
0.8
V
V
OHB
High Level
Output Voltage
I
O
=-100
μ
A
I
O
=-12 mA
I
O
=-8 mA
I
O
=100
μ
A
I
O
=12 mA
I
O
=8 mA
2.9
2.48
2.26
3.0
2.9
2.4
2.2
2.9
2.4
2.2
V
V
OLB
Low Level Output
Voltage
0.0
0.1
0.31
0.31
0.1
0.40
0.40
0.1
0.40
0.40
V
I
IB
Input Leakage
Current
High Impedance
Output Leakage
Current
5.5
3.6
V
I
= V
CCA
or GND
±
0.1
±
1
±
1
μ
A
I
OZB
5.5
3.6
V
IA
= V
IHA
or V
ILA
V
I/Ob
= V
CCb
or
GND
V
IA
= V
CCA
or
GND
V
IB
= V
CCB
or
GND
V
IA
= V
CCA
or
GND
V
IB
= V
CCB
- 0.6V
±
0.5
±
5
±
5
μ
A
I
CCtB
Quiescent Supply
Current
5.5
3.6
5
50
5
μ
A
I
CCtB
Maximum
Quiescent Supply
Current / Input
5.5
3.6
0.35
0.5
0.35
mA
Symbol
Parameter
Test Condition
Value
Unit
V
CCA
(V)
V
CCB
(V)
T
A
= 25 °C
-40 to 85 °C -55 to 125°C
Min.
Typ.
Max.
Min.
Max.
Min.
Max.
V
OLPA
Dynamic Low Level
Quiet Output (note 1,
2)
Dynamic Low Level
Quiet Output (note 1,
2)
Dynamic High Voltage
Input (note 1, 3)
Dynamic Low Voltage
Input (note 1, 3)
Dynamic High Voltage
Input (note 1, 3)
Dynamic Low Voltage
Input (note 1, 3)
5.0
3.3
1.0
1.5
V
5.0
3.3
-1.2
-0.6
V
OLPB
5.0
3.3
0.8
1.2
V
5.0
3.3
-0.8
-0.5
V
IHDA
5.0
3.3
2
V
V
ILDA
5.0
3.3
0.8
V
V
IHDB
5.0
3.3
2
V
V
ILDB
5.0
3.3
0.8
V
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