參數(shù)資料
型號(hào): 74ACT16244
廠商: Fairchild Semiconductor Corporation
英文描述: 16-Bit Buffer/Line Driver with 3-STATE Outputs
中文描述: 16位緩沖器/線路驅(qū)動(dòng)器3態(tài)輸出
文件頁數(shù): 5/8頁
文件大小: 62K
代理商: 74ACT16244
TESTCIRCUIT
TEST
SWITCH
Open
2V
CC
GND
t
PLH
, t
PHL
t
PZL
, t
PLZ
t
PZH
, t
PHZ
C
L
=50pForequivalent(includes jigand probecapacitance)
R
L
=R
1
=500
orequivalent
R
T
=Z
OUT
ofpulsegenerator (typically50
)
CAPACITIVE CHARACTERISTICS
Symbol
Parameter
Test Conditions
Value
Unit
V
CC
(V)
T
A
= 25
o
C
Min.
Typ.
-40 to 85
o
C
Min.
Max.
Max.
C
IN
C
OUT
C
PD
Input Capacitance
Output Capacitance
Power Dissipation
Capacitance (note 1)
5.0
5.0
5.0
3.6
11
42
pF
pF
pF
1)C
PD
isdefined as thevalue oftheIC’sinternal equivalent capacitance whichiscalculated fromtheoperatingcurrent consumption without load.(Referto
TestCircuit).Average operatingcurrent canbeobtained bythefollowingequation.I
CC
(opr)=C
PD
V
CC
f
IN
+I
CC
/16(per circuit)
AC ELECTRICAL CHARACTERISTICS
(C
L
= 50 pF, R
L
= 500
, Input t
r
= t
f
=3 ns)
Symbol
Parameter
Test Condition
Value
Unit
V
CC
(V)
5.0
(*)
T
A
= 25
o
C
Min.
Typ.
2.0
3.0
4.0
3.0
4.0
3.0
-40 to 85
o
C
Min.
2.0
3.0
4.0
3.0
4.0
3.0
Max.
5.0
6.5
8.7
7.7
8.0
6.4
Max.
6.0
8.0
9.7
8.8
9.2
7.3
t
PLH
t
PHL
Propagation Delay Time
3.3
4.8
6.5
5.5
6.0
4.6
ns
t
PZL
t
PZH
Output Enable Time
5.0
(*)
ns
t
PLZ
t
PHZ
Output Disable Time
5.0
(*)
ns
(*)Voltagerange is5V
±
0.5V
74ACT16244
5/8
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相關(guān)代理商/技術(shù)參數(shù)
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