參數(shù)資料
型號(hào): 74VHCT541A
廠商: Fairchild Semiconductor Corporation
英文描述: Octal Buffer/Line Driver with 3-STATE Outputs
中文描述: 八路緩沖器/線路驅(qū)動(dòng)器的3態(tài)輸出
文件頁(yè)數(shù): 2/8頁(yè)
文件大小: 63K
代理商: 74VHCT541A
TRUTH TABLE
INPUT
G2
X
H
L
L
OUTPUT
Yn
Z
Z
H
L
G1
H
X
L
L
An
X
X
H
L
X:”H” or”L”
Z:Highimpedance
PIN DESCRIPTION
PIN No
1,19
2,3,4,5,
6,7,8,9
18,17,16,
15,14,13,
12,11
10
20
SYMBOL
G1,G2
A1toA8
NAME AND FUNCTION
Output Enable Input
Data Inputs
Y1toY8
Data Outputs
GND
V
CC
Ground (0V)
Positive Supply Voltage
INPUT EQUIVALENTCIRCUIT
RECOMMENDED OPERATING CONDITIONS
Symbol
V
CC
V
I
V
O
V
O
T
op
dt/dv
1)OutputinOFFState
2)Highor Low State
3)V
IN
from0.8Vto2V
Parameter
Value
4.5to5.5
0to5.5
0to5.5
0toV
CC
-40to+85
0to20
Unit
V
V
V
V
o
C
ns/V
Supply Voltage
Input Voltage
Output Voltage (see note 1)
Output Voltage (see note 2)
Operating Temperature
Input Rise and Fall Time (see note 3) (V
CC
= 5.0
±
0.5V)
ABSOLUTE MAXIMUM RATINGS
Symbol
V
CC
V
I
V
O
V
O
I
IK
I
OK
I
O
I
CC
orI
GND
T
stg
T
L
AbsoluteMaximumRatingsarethosevaluesbeyond whichdamage tothedevicemayoccur. Functionaloperationunderthese condition isnot implied.
1)OutputinOFFState
2)Highor Low State
Parameter
Value
-0.5to+7.0
-0.5to+7.0
-0.5to+7.0
-0.5toV
CC
+0.5
-20
±
20
±
25
±
50
-65to+150
300
Unit
V
V
V
V
mA
mA
mA
mA
o
C
o
C
Supply Voltage
DC Input Voltage
DC Output Voltage (see note 1)
DC Output Voltage (see note 2)
DC Input Diode Current
DC Output Diode Current
DC Output Current
DC V
CC
or Ground Current
Storage Temperature
Lead Temperature (10 sec)
74VHCT541A
2/8
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