參數(shù)資料
型號(hào)： 74VHC257T
廠商： 意法半導(dǎo)體
英文描述： Quadruple 2-Input Positive-AND Gates 14-SOIC -40 to 85
中文描述： 四2通道多路復(fù)用三態(tài)
文件頁(yè)數(shù)： 3/9頁(yè)
文件大小： 70K
代理商： 74VHC257T
ABSOLUTE MAXIMUM RATINGS
Symbol
V
CC
V
I
V
O
I
IK
I
OK
I
O
I
CC
or I
GND
DC V
CC
or Ground Current
T
stg
Storage Temperature
T
L
Lead Temperature (10 sec)
AbsoluteMaximumRatingsarethosevaluesbeyond whichdamage tothedevicemayoccur. Functionaloperationunderthese condition isnot implied.
Parameter
Value
-0.5 to +7.0
-0.5 to +7.0
-0.5 to V
CC
+ 0.5
- 20
±
20
±
25
±
50
-65 to +150
300
Unit
V
V
V
mA
mA
mA
mA
o
C
o
C
Supply Voltage
DC Input Voltage
DC Output Voltage
DC Input Diode Current
DC Output Diode Current
DC Output Current
RECOMMENDED OPERATING CONDITIONS
Symbol
V
CC
V
I
V
O
T
op
dt/dv
Parameter
Value
2.0 to 5.5
0 to 5.5
0 to V
CC
-40 to +85
0 to 100
0 to 20
Unit
V
V
V
o
C
ns/V
ns/V
Supply Voltage
Input Voltage
Output Voltage
Operating Temperature
Input Rise and Fall Time (see note 1) (V
CC
= 3.3
±
0.3V)
(V
CC
= 5.0
±
0.5V)
1)V
IN
from30%to70%ofV
CC
DC SPECIFICATIONS
Symbol
Parameter
Test Conditions
V
CC
(V)
Value
Unit
T
A
= 25
o
C
Min.
Typ.
1.5
0.7V
CC
-40 to 85
o
C
Min.
1.5
0.7V
CC
Max.
Max.
V
IH
High Level Input
Voltage
2.0
V
3.0 to 5.5
2.0
3.0 to 5.5
2.0
3.0
4.5
3.0
4.5
2.0
3.0
4.5
3.0
4.5
V
IL
Low Level Input
Voltage
0.5
0.5
V
0.3V
CC
0.3V
CC
V
OH
High Level Output
Voltage
I
O
=-50
μ
A
I
O
=-50
μ
A
I
O
=-50
μ
A
I
O
=-4 mA
I
O
=-8 mA
I
O
=50
μ
A
I
O
=50
μ
A
I
O
=50
μ
A
I
O
=4 mA
I
O
=8 mA
V
I
= V
IH
or V
IL
V
O
= V
CC
or GND
1.9
2.9
4.4
2.58
3.94
2.0
3.0
4.5
1.9
2.9
4.4
2.48
3.8
V
V
OL
Low Level Output
Voltage
0.0
0.0
0.0
0.1
0.1
0.1
0.36
0.36
±
0.25
0.1
0.1
0.1
0.44
0.44
±
2.5
V
I
OZ
High Impedance
Output Leakage
Current
Input Leakage Current
Quiescent Supply
Current
5.5
μ
A
I
I
0 to 5.5
5.5
V
I
= 5.5V or GND
V
I
= V
CC
orGND
±
0.1
4
±
1.0
40
μ
A
μ
A
I
CC
74VHC257
3/9
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
74VHC257TTR 功能描述:編碼器、解碼器、復(fù)用器和解復(fù)用器 Quad 2-Ch Multiplexr RoHS:否 制造商:Micrel 產(chǎn)品:Multiplexers 邏輯系列:CMOS 位數(shù): 線路數(shù)量（輸入/輸出）:2 / 12 傳播延遲時(shí)間:350 ps, 400 ps 電源電壓-最大:2.625 V, 3.6 V 電源電壓-最小:2.375 V, 3 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-44 封裝:Tray
74VHC27 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:TRIPLE 3-INPUT NOR GATE
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74VHC273_04 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:OCTAL D-TYPE FLIP FLOP WITH CLEAR
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