MC74ACT244 Motorola, MC74ACT244 Datasheet - Page 4

• Manufacturer Part Number: MC74ACT244
• Description: OCTAL BUFFER/LINE DRIVER WITH 3-STATE OUTPUTS
• Manufacturer: Motorola

AC CHARACTERISTICS (For Figures and Waveforms — See Section 3)
t PLH
t PLH
t PHL
t PHL
t PZH
t PZH
t PZL
t PZL
t PHZ
t PHZ
t PLZ
t PLZ
* Voltage Range 3.3 V is 3.3 V 0.3 V.
DC CHARACTERISTICS
V IH
V IL
V OH
V OL
I IN
I OZ
I OLD
I OHD
I CC
* All outputs loaded; thresholds on input associated with output under test.
† Maximum test duration 2.0 ms, one output loaded at a time.
Voltage Range 5.0 V is 5.0 V 0.5 V.
I CCT
Symbol
Symbol
Symbol
Symbol
Propagation Delay
Data to Output
Propagation Delay
Data to Output
Output Enable Time
Output Enable Time
Output Enable Time
Output Enable Time
Output Disable Time
Output Disable Time
Output Disable Time
Output Disable Time
Minimum High Level
Input Voltage
Input Voltage
Maximum Low Level
Input Voltage
Input Voltage
Minimum High Level
Output Voltage
Output Voltage
Maximum Low Level
Output Voltage
Output Voltage
Maximum Input
Leakage Current
Leakage Current
Additional Max. I CC /Input
Maximum
3-State
3-State
Current
Current
Current
†Minimum Dynamic
Maximum Quiescent
Supply Current
Supply Current
Output Current
Output Current
Parameter
Parameter
Parameter
Parameter
MC74AC244 MC74ACT244
V CC
V CC
FACT DATA
(V)
(V)
4.5
5.5
4.5
5.5
4.5
5.5
4.5
5.5
4.5
5.5
4.5
5.5
5.5
5.5
5.5
5.5
5.5
5.5
5.5
5.5
5-4
0.001
0.001
V CC *
V CC *
4.49
5.49
Typ
1.5
1.5
1.5
1.5
0.6
T A = +25 C
(V)
(V)
3.3
5.0
3.3
5.0
3.3
5.0
3.3
5.0
3.3
5.0
3.3
5.0
74ACT
3.86
4.86
0.36
0.36
2.0
2.0
0.8
0.8
4.4
5.4
0.1
0.1
8.0
8.0
Min
2.0
1.5
2.0
1.5
2.0
1.5
2.5
1.5
3.0
2.5
2.5
2.0
Guaranteed Limits
0.1
0.1
0.5
T A = +25 C
C L = 50 pF
–40 C to +85 C
74AC
Typ
6.5
5.0
6.5
5.0
6.0
5.0
7.5
5.5
7.0
6.5
7.5
6.5
74ACT
T A =
3.76
4.76
0.44
0.44
–75
2.0
2.0
0.8
0.8
4.4
5.4
0.1
0.1
1.5
75
80
80
1.0
1.0
5.0
Max
10.5
10.0
10.0
10.5
9.0
7.0
9.0
7.0
7.0
8.0
9.0
9.0
Min
T A = –40 C
1.5
1.0
2.0
1.0
1.5
1.5
2.0
1.5
1.5
1.0
2.5
2.0
C L = 50 pF
to +85 C
Unit
Unit
mA
mA
mA
74AC
V
V
V
V
V
V
V
V
V
V
A
A
A
A
A
Max
10.0
10.0
11.0
11.0
10.5
11.5
7.5
7.5
8.0
8.5
9.5
9.5
V OUT = 0.1 V
or V CC – 0.1 V
V OUT = 0.1 V
or V CC – 0.1 V
I OUT = –50 A
*V IN = V IL or V IH
I OH
I OH
I OUT = 50 A
*V IN = V IL or V IH
I OL
I OL
V I = V CC , GND
V I = V CC , GND
V I = V CC – 2.1 V
V I (OE) = V IL , V IH
V I = V CC , GND
V O = V CC , GND
V OLD = 1.65 V Max
V OHD = 3.85 V Min
V IN = V CC or GND
V IN = V CC or GND
Conditions
Conditions
Unit
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
–24 mA
–24 mA
24 mA
24 mA
Fig.
Fig.
No.
No.
3-5
3-5
3-5
3-5
3-7
3-7
3-8
3-8
3-7
3-7
3-8
3-8