74VHCT244ATTR STMicroelectronics, 74VHCT244ATTR Datasheet - Page 2

• Manufacturer Part Number: 74VHCT244ATTR
• Description: IC BUFF/DVR TRI-ST DUAL 20SOIC
• Manufacturer: STMicroelectronics
• Series: 74VHCTr

Specifications of 74VHCT244ATTR

• Logic Type: Buffer/Line Driver, Non-Inverting
• Number Of Elements: 2
• Number Of Bits Per Element: 4
• Current - Output High, Low: 8mA, 8mA
• Voltage - Supply: 4.5 V ~ 5.5 V
• Operating Temperature: -55°C ~ 125°C
• Mounting Type: Surface Mount
• Package / Case: 20-SOIC (7.5mm Width)
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

74VHCT244A
Figure 2: Input Equivalent Circuit
Table 3: Truth Table
X : Don’t Care
Z : High Impedance
Table 4: 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
1) Output in OFF State
2) High or Low State
2/12
I
CC
Symbol
V
or I
T
I
V
V
I
T
V
OK
I
CC
IK
stg
O
O
O
L
I
GND
Supply Voltage
DC Input Voltage
DC Output Voltage (see note 1)
DC Output Voltage (see note 2)
DC Input Diode Current
DC Output Diode Current
DC Output Current
DC V
Storage Temperature
Lead Temperature (10 sec)
CC
G
H
L
L
or Ground Current
INPUTS
Parameter
An
H
X
L
Table 2: Pin Description
18, 16, 14,
11, 13, 15,
2, 4, 6, 8
9, 7, 5, 3
PIN N°
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 +7.0
-0.5 to +7.0
-0.5 to +7.0
-65 to +150
Value
Output Enable Input
Data Inputs
Data Outputs
Data Inputs
Data Outputs
Output Enable Input
Ground (0V)
Positive Supply Voltage
- 20
300
NAME AND FUNCTION
20
25
50
OUTPUT
CC
Yn
+ 0.5
H
L
Z
Unit
mA
mA
mA
mA
°C
°C
V
V
V
V