74ACT244B STMicroelectronics, 74ACT244B Datasheet - Page 2

• Manufacturer Part Number: 74ACT244B
• Description: IC BUFF/DVR TRI-ST DUAL 20DIP
• Manufacturer: STMicroelectronics
• Series: 74ACTr

Specifications of 74ACT244B

• Logic Type: Buffer/Line Driver, Non-Inverting
• Number Of Elements: 2
• Number Of Bits Per Element: 4
• Current - Output High, Low: 24mA, 24mA
• Voltage - Supply: 4.5 V ~ 5.5 V
• Operating Temperature: -55°C ~ 125°C
• Mounting Type: Through Hole
• Package / Case: 20-DIP (0.300", 7.62mm)
• Logic Family: ACT
• Number Of Channels Per Chip: 8
• Polarity: Non-Inverting
• Supply Voltage (max): 5.5 V
• Supply Voltage (min): 4.5 V
• Maximum Operating Temperature: + 125 C
• Mounting Style: Through Hole
• High Level Output Current: - 24 mA
• Low Level Output Current: 24 mA
• Minimum Operating Temperature: - 55 C
• Number Of Lines (input / Output): 8 / 3
• Output Type: 3-State
• Propagation Delay Time: 9 ns at 5 V
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Other names: 497-1331-5

74ACT244
INPUT AND OUTPUT EQUIVALENT CIRCUIT
TRUTH TABLE
X : Don’t Care
Z : High Impedance
ABSOLUTE MAXIMUM RATINGS
Absolute Maximum Ratings are those values beyond which damage to the device may occur. Functional operation under these conditions is
not implied.
RECOMMENDED OPERATING CONDITIONS
1) V
2/9
I
CC
Symbol
Symbol
IN
dt/dv
V
V
T
I
or I
T
V
V
T
I
V
OK
I
V
from 0.8V to 2.0V
CC
IK
stg
CC
O
op
O
O
L
I
I
GND
Supply Voltage
DC Input Voltage
DC Output Voltage
DC Input Diode Current
DC Output Diode Current
DC Output Current
DC V
Storage Temperature
Lead Temperature (10 sec)
Supply Voltage
Input Voltage
Output Voltage
Operating Temperature
Input Rise and Fall Time V
G
CC
H
L
L
or Ground Current
INPUTS
CC
Parameter
Parameter
= 4.5 to 5.5V (note 1)
An
H
X
L
PIN DESCRIPTION
18, 16, 14,
11, 13, 15,
2, 4, 6, 8
9, 7, 5, 3
PIN No
17
12
19
10
20
1
1A1 to 1A4
2Y1 to 2Y4
2A1 to 2A4
1Y1 to 1Y4
SYMBOL
GND
V
1G
2G
CC
-0.5 to V
-0.5 to V
-65 to +150
-55 to 125
-0.5 to +7
4.5 to 5.5
0 to V
0 to V
Value
Value
Output Enable Input
Data Inputs
Data Outputs
Data Inputs
Data Outputs
Output Enable Input
Ground (0V)
Positive Supply Voltage
300
NAME AND FUNCTION
400
8
20
20
50
OUTPUT
CC
CC
CC
CC
Yn
+ 0.5
+ 0.5
H
L
Z
ns/V
Unit
Unit
mA
mA
mA
mA
°C
°C
°C
V
V
V
V
V
V