MC74AC244 ON Semiconductor, MC74AC244 Datasheet - Page 4

• Manufacturer Part Number: MC74AC244
• Description: OCTAL BUFFER/LINE DRIVER WITH 3-STATE OUTPUTS
• Manufacturer: ON Semiconductor

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.
*Voltage Range 5.0 V is 5.0 V 0.5 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.
I CCT
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
Maximum Low Level
Input Voltage
Minimum High Level
Output Voltage
Maximum Low Level
Output Voltage
Maximum Input
Leakage Current
Additional Max. I CC /Input
Maximum
3–State
C
Current
†Minimum Dynamic
Maximum Quiescent
Supply Current
O t
Output Current
t C
Q
g
g
t
Parameter
Parameter
MC74AC244, MC74ACT244
http://onsemi.com
V CC
(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
185
0.001
0.001
V CC *
4.49
5.49
Typ
T A = +25 C
1.5
1.5
1.5
1.5
0.6
(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
Min
2.0
2.0
0.8
0.8
4.4
5.4
0.1
0.1
8 0
8.0
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
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
–40 C to
74ACT
+85 C
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
C L = 50 pF
1.5
1.0
2.0
1.0
1.5
1.5
2.0
1.5
1.5
1.0
2.5
2.0
to +85 C
Unit
74AC
mA
mA
mA
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
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
–24 mA
–24 mA
24 mA
24 mA
Fig.
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