參數(shù)資料
型號(hào): TC74VHC157FK
廠商: Toshiba Corporation
英文描述: Quad 2-Channel Multiplexer
中文描述: 四2通道多路復(fù)用器
文件頁(yè)數(shù): 4/11頁(yè)
文件大?。?/td> 273K
代理商: TC74VHC157FK
TC74VHC157F/FN/FT/FK
2007-10-01
4
Operating Ranges (Note)
Characteristics
Symbol
Rating
Unit
Supply voltage
V
CC
2.0 to 5.5
V
Input voltage
V
IN
0 to 5.5
V
Output voltage
V
OUT
0 to V
CC
V
Operating temperature
T
opr
40 to 85
°C
Input rise and fall time
dt/dv
0 to 100 (V
CC
= 3.3 ± 0.3 V)
0 to 20 (V
CC
= 5 ± 0.5 V)
ns/V
Note:
The operating ranges must be maintained to ensure the normal operation of the device.
Unused inputs must be tied to either VCC or GND.
Electrical Characteristics
DC Characteristics
Test Condition
Ta = 25°C
Ta =
40 to 85°C
Characteristics
Symbol
V
CC
(V)
Min
Typ.
Max
Min
Max
Unit
High-level input
voltage
V
IH
2.0
3.0 to
5.5
1.50
V
CC
×
0.7
1.50
V
CC
×
0.7
V
Low-level input
voltage
V
IL
2.0
3.0 to
5.5
0.50
V
CC
×
0.3
0.50
V
CC
×
0.3
V
I
OH
=
50
μ
A
2.0
3.0
4.5
1.9
2.9
4.4
2.0
3.0
4.5
1.9
2.9
4.4
High-level output
voltage
V
OH
V
IN
= V
IH
or V
IL
I
OH
=
4 mA
I
OH
=
8 mA
3.0
4.5
2.58
3.94
2.48
3.80
V
I
OL
= 50
μ
A
2.0
3.0
4.5
0.0
0.0
0.0
0.1
0.1
0.1
0.1
0.1
0.1
Low-level output
voltage
V
OL
V
IN
= V
IH
or V
IL
I
OL
= 4 mA
I
OL
= 8 mA
3.0
4.5
0.36
0.36
0.44
0.44
V
Input leakage
current
I
IN
V
IN
= 5.5 or GND
0 to 5.5
±0.1
±1.0
μ
A
Quiescent supply
current
I
CC
V
IN
= V
CC
or GND
5.5
4.0
40.0
μ
A
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