MC74ACT251 Motorola, MC74ACT251 Datasheet - Page 4
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MC74ACT251
Manufacturer Part Number
MC74ACT251
Description
8-Input Multiplexer
Manufacturer
Motorola
Datasheet
1.MC74ACT251.pdf
(8 pages)
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.
Note: I IN and I CC @ 3.0 V are guaranteed to be less than or equal to the respective limit @ 5.5 V V CC .
Symbol
Symbol
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
Maximum
3-State
3-State
Current
Current
Current
†Minimum Dynamic
Maximum Quiescent
Supply Current
Supply Current
Output Current
Output Current
Parameter
Parameter
MC74AC251 MC74ACT251
V CC
V CC
FACT DATA
(V)
(V)
3.0
4.5
5.5
3.0
4.5
5.5
3.0
4.5
5.5
3.0
4.5
5.5
3.0
4.5
5.5
3.0
4.5
5.5
5.5
5.5
5.5
5.5
5.5
5.5
5.5
5-4
0.002
0.001
0.001
2.25
2.75
2.25
2.75
2.99
4.49
5.49
Typ
1.5
1.5
T A = +25 C
74AC
3.15
3.85
1.35
1.65
2.56
3.86
4.86
0.36
0.36
0.36
2.1
0.9
2.9
4.4
5.4
0.1
0.1
0.1
8.0
8.0
Guaranteed Limits
0.1
0.1
0.5
–40 C to +85 C
74AC
T A =
3.15
3.85
1.35
1.65
2.46
3.76
4.76
0.44
0.44
0.44
–75
2.1
0.9
2.9
4.4
5.4
0.1
0.1
0.1
75
80
80
1.0
1.0
5.0
Unit
Unit
mA
mA
V
V
V
V
V
V
V
V
V
V
A
A
A
A
A
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 OUT = 50 A
*V IN = V IL or V IH
I OL
V I = V CC , GND
V I = V CC , GND
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
–12 mA
–24 mA
–24 mA
12 mA
24 mA
24 mA