74VHCT244ATTR STMicroelectronics, 74VHCT244ATTR Datasheet - Page 4

• 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
Table 8: Capacitive Characteristics
1) C
load. (Refer to Test Circuit). Average operating current can be obtained by the following equation. I
Table 9: Dynamic Switching Characteristics
1) Worst case package.
2) Max number of outputs defined as (n). Data inputs are driven 0V to 3.0V, (n-1) outputs switching and one output at GND.
3) Max number of data inputs (n) switching. (n-1) switching 0V to 3.0V. Inputs under test switching: 3.0V to threshold (V
(V
4/12
Symbol
Symbol
IHD
C
V
V
V
V
C
PD
C
OUT
OLP
OLV
IHD
), f=1MHz.
ILD
PD
IN
is defined as the value of the IC’s internal equivalent capacitance which is calculated from the operating current consumption without
Input Capacitance
Output
Capacitance
Power Dissipation
Capacitance
(note 1)
Dynamic Low
Voltage Quiet
Output (note 1, 2)
Dynamic High
Voltage Input
(note 1, 3)
Dynamic Low
Voltage Input
(note 1, 3)
Parameter
Parameter
V
5.0
5.0
5.0
(V)
CC
Test Condition
Test Condition
C
L
= 50 pF
Min.
Min.
-1.1
2.0
T
T
A
A
Typ.
Typ.
= 25°C
= 25°C
-0.9
0.9
10
18
6
Max.
Max.
1.1
0.8
10
Value
Value
CC(opr)
-40 to 85°C
Min.
-40 to 85°C
Min.
= C
Max.
Max.
10
PD
x V
CC
-55 to 125°C
-55 to 125°C
Min.
Min.
x f
ILD
IN
), 0V to threshold
+ I
Max.
Max.
CC
10
/8 (per gate)
Unit
Unit
pF
pF
pF
V