BUFFER/LINE DRIVER. MC74ACT244 Datasheet

MC74ACT244 DRIVER. Datasheet pdf. Equivalent

Part MC74ACT244
Description OCTAL BUFFER/LINE DRIVER
Feature ( DataSheet : www.DataSheet4U.com ) MC74AC244 MC74ACT244 Octal Buffer/Line Driver with 3ĆState Out.
Manufacture Motorola
Datasheet
Download MC74ACT244 Datasheet

MC74AC244, MC74ACT244 Octal Buffer/Line Driver with 3-State MC74ACT244 Datasheet
( DataSheet : www.DataSheet4U.com ) MC74AC244 MC74ACT244 O MC74ACT244 Datasheet
Recommendation Recommendation Datasheet MC74ACT244 Datasheet




MC74ACT244
( DataSheet : www.DataSheet4U.com )
MC74AC244
MC74ACT244
Octal Buffer/Line Driver
with 3ĆState Outputs
The MC74AC244/74ACT244 is an octal buffer and line driver designed to be
employed as a memory address driver, clock driver and bus oriented transmitter/
receiver which provides improved PC board density.
3-State Outputs Drive Bus Lines or Buffer Memory Address Registers
Outputs Source/Sink 24 mA
• ′ACT244 Has TTL Compatible Inputs
VCC OE2
20 19 18 17 16 15 14 13 12 11
OCTAL BUFFER/LINE
DRIVER WITH
3-STATE OUTPUTS
N SUFFIX
CASE 738-03
PLASTIC
1 2 3 4 5 6 7 8 9 10
OE1 GND
DW SUFFIX
CASE 751D-04
PLASTIC
TRUTH TABLE
Inputs
Outputs
OE1
L
L
H
D
L
H
X
(Pins 12, 14, 16, 18)
L
H
Z
H = HIGH Voltage Level
L = LOW Voltage Level
X = Immaterial
Z = High Impedance
TRUTH TABLE
Inputs
Outputs
OE2
L
L
H
D
L
H
X
(Pins 3, 5, 7, 9)
L
H
Z
H = HIGH Voltage Level
L = LOW Voltage Level
X = Immaterial
Z = High Impedance
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FACT DATA
5-1
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MC74ACT244
MC74AC244 MC74ACT244
MAXIMUM RATINGS*
Symbol
Parameter
Value
Unit
VCC
Vin
Vout
Iin
Iout
ICC
Tstg
DC Supply Voltage (Referenced to GND)
DC Input Voltage (Referenced to GND)
DC Output Voltage (Referenced to GND)
DC Input Current, per Pin
DC Output Sink/Source Current, per Pin
DC VCC or GND Current per Output Pin
Storage Temperature
–0.5 to +7.0
–0.5 to VCC +0.5
–0.5 to VCC +0.5
±20
±50
±50
–65 to +150
V
V
V
mA
mA
mA
°C
* Maximum Ratings are those values beyond which damage to the device may occur. Functional operation should be restricted to the Recommended
Operating Conditions.
RECOMMENDED OPERATING CONDITIONS
Symbol
Parameter
Min Typ
VCC
Supply Voltage
AC
ACT
2.0 5.0
4.5 5.0
Vin, Vout
tr, tf
DC Input Voltage, Output Voltage (Ref. to GND)
Input Rise and Fall Time (Note 1)
AC Devices except Schmitt Inputs
VCC @ 3.0 V
VCC @ 4.5 V
VCC @ 5.5 V
0
150
40
25
Input Rise and Fall Time (Note 2)
tr, tf ACT Devices except Schmitt Inputs
TJ Junction Temperature (PDIP)
TA Operating Ambient Temperature Range
VCC @ 4.5 V
VCC @ 5.5 V
–40
10
8.0
25
IOH Output Current — High
IOL Output Current — Low
1. Vin from 30% to 70% VCC; see individual Data Sheets for devices that differ from the typical input rise and fall times.
2. Vin from 0.8 V to 2.0 V; see individual Data Sheets for devices that differ from the typical input rise and fall times.
Max
6.0
5.5
VCC
140
85
–24
24
Unit
V
V
ns/V
ns/V
°C
°C
mA
mA
FACT DATA
5-2





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