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74ACT244 Arkusz danych(PDF) 2 Page - ON Semiconductor

Numer części 74ACT244
Szczegółowy opis  Octal Buffer/Line Driver with 3-STATE Outputs
PDF  11 Pages
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74ACT244 Arkusz danych(HTML) 2 Page - ON Semiconductor

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PIN DESCRIPTION
Pin Name
Description
OE1, OE2
3−STATE Output Enable Inputs
I0−I7
Inputs
O0−O7
Outputs
TRUTH TABLE
Inputs
Outputs
OE1
In
(Pins 12, 14, 16, 18)
L
L
L
L
H
H
H
X
Z
TRUTH TABLE (continued)
Inputs
Outputs
OE2
In
(Pins 3, 5, 7, 9)
L
L
L
L
H
H
H
X
Z
NOTE: X = Immaterial, Z = High Impedance
ABSOLUTE MAXIMUM RATINGS
Parameter
Symbol
Rating
Unit
Supply Voltage
VCC
−0.5 to +7.0
V
DC Input Diode Current
VI = −0.5 V
IIK
−20
mA
VI = VCC + 0.5
+20
DC Input Voltage
VI
−0.5 to VCC + 0.5
V
DC Output Diode Current
VO = −0.5 V
IOK
−20
mA
VI = VCC + 0.5 V
+20
DC Output Voltage
VO
−0.5 to VCC + 0.5
V
DC Output Source or Sink Current
IO
±50
mA
DC VCC or Ground Current per Output Pin
ICC or IGND
±50
mA
Storage Temperature
TSTG
−65 to +150
°C
Junction Temperature
TJ
140
°C
Stresses exceeding those listed in the Maximum Ratings table may damage the device. If any of these limits are exceeded, device functionality
should not be assumed, damage may occur and reliability may be affected.
RECOMMENDED OPERATING CONDITIONS
Parameter
Symbol
Rating
Unit
Supply Voltage
AC
VCC
2.0 to 6.0
V
ACT
4.5 to 5.5
Input Voltage
VI
0 to VCC
V
Output Voltage
VO
0 to VCC
V
Operating Temperature
TA
−40 to +85
°C
Minimum Input Edge Rate, AC Devices:
VIN from 30% to 70% of VCC, VCC @ 3.3 V, 4.5 V, 5.5 V
DV / Dt
125
mV/ns
Minimum Input Edge Rate, ACT Devices:
VIN from 0.8 V to 2.0 V, VCC @ 4.5 V, 5.5 V
DV / Dt
125
mV/ns
Functional operation above the stresses listed in the Recommended Operating Ranges is not implied. Extended exposure to stresses beyond
the Recommended Operating Ranges limits may affect device reliability.



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