M74HCT244TTR STMicroelectronics, M74HCT244TTR Datasheet - Page 3

• Manufacturer Part Number: M74HCT244TTR
• Description: IC BUFF/DVR TRI-ST DUAL 20TSSOP
• Manufacturer: STMicroelectronics
• Series: 74HCTr

Specifications of M74HCT244TTR

• Logic Type: Buffer/Line Driver, Non-Inverting
• Number Of Elements: 2
• Number Of Bits Per Element: 4
• Current - Output High, Low: 6mA, 6mA
• Voltage - Supply: 4.5 V ~ 5.5 V
• Operating Temperature: -55°C ~ 125°C
• Mounting Type: Surface Mount
• Package / Case: 20-TSSOP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

DC SPECIFICATIONS
AC ELECTRICAL CHARACTERISTICS (C
t
t
t
t
t
Symbol
Symbol
TLH
PLH
PLH
PZL
PLZ
V
V
V
V
I
I
CC
OZ
OH
I
OL
I
IH
CC
IL
I
t
t
t
t
t
PZH
PHZ
THL
PHL
PHL
High Level Input
Voltage
Low Level Input
Voltage
High Level Output
Voltage
Low Level Output
Voltage
Input Leakage
Current
High Impedance
Output Leakage
Current
Quiescent Supply
Current
Additional Worst
Case Supply
Current
Output Transition
Time
Propagation Delay
Time
Propagation Delay
Time
Output Enable
Time
Output Disable
Time
Parameter
Parameter
V
V
(V)
4.5
5.5
4.5
5.5
4.5
4.5
5.5
5.5
5.5
5.5
(V)
4.5
4.5
4.5
4.5
4.5
4.5
4.5
4.5
to
to
CC
CC
Test Condition
Test Condition
(pF)
150
150
150
V
C
50
50
50
50
50
V
V
O
Other Inputs at
V
L
I
I
Per Input pin
= V
= V
V
I
I
V
= V
I
I
O
I
O
V
O
= V
CC
I
O
=-6.0 mA
=6.0 mA
I
=-20 A
= 0.5V or
=20 A
CC
CC
R
R
CC
= 2.4V
or GND
IH
L
L
L
or GND
or GND
= 1 K
= 1 K
or GND
or V
= 50 pF, Input t
IL
Min.
4.18
Min.
2.0
4.4
T
T
A
A
r
Typ.
4.31
0.17
Typ.
= 25°C
= 25°C
4.5
0.0
15
21
15
21
17
23
16
= t
7
f
= 6ns)
Max.
Max.
0.26
0.8
0.1
2.0
12
22
30
25
33
30
38
30
0.1
0.5
4
Value
Value
-40 to 85°C
Min.
4.13
-40 to 85°C
Min.
2.0
4.4
Max.
Max.
0.33
0.8
0.1
2.9
40
15
28
38
31
41
38
48
38
1
5
-55 to 125°C
-55 to 125°C
Min.
4.10
Min.
2.0
4.4
M74HCT244
Max.
Max.
0.40
0.8
0.1
3.0
80
18
33
45
38
50
45
57
45
10
1
Unit
Unit
mA
ns
ns
ns
ns
ns
V
V
V
V
A
A
A
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