參數(shù)資料
型號: 74ACT244MTC
廠商: FAIRCHILD SEMICONDUCTOR CORP
元件分類: 通用總線功能
英文描述: DUAL OUTPUT DC
中文描述: ACT SERIES, DUAL 4-BIT DRIVER, TRUE OUTPUT, PDSO20
封裝: 4.40 MM, LEAD FREE, MO-153AC, TSSOP-20
文件頁數(shù): 4/9頁
文件大?。?/td> 69K
代理商: 74ACT244MTC
TESTCIRCUIT
TEST
SWITCH
Open
2V
CC
Open
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
i/o
C
PD
Input Capacitance
I/O Capacitance
Power Dissipation
Capacitance (note 1)
5.0
5.0
5.0
4
8
24
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
/n(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.
1.5
-40 to 85
o
C
Min.
1.5
Max.
9.0
Max.
10.0
t
PLH
t
PHL
t
PZL
t
PZH
t
PLZ
t
PHZ
Propagation Delay Time
4.5
ns
Output Enable Time
5.0
(*)
1.5
5.5
9.0
1.5
10.0
ns
Output Disable Time
5.0
(*)
1.5
6.5
10.0
1.5
11.0
ns
(*)Voltagerange is5V
±
0.5V
74ACT244
4/9
相關(guān)PDF資料
PDF描述
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