MC74ACT251 Motorola, MC74ACT251 Datasheet - Page 7

• Manufacturer Part Number: MC74ACT251
• Description: 8-Input Multiplexer
• Manufacturer: Motorola

AC CHARACTERISTICS (For Figures and Waveforms — See Section 3)
t PLH
t PLH
t PHL
t PHL
t PLH
t PHL
t PHL
t PZH
t PZH
t PZL
t PZL
t PHZ
t PHZ
t PLZ
t PLZ
* Voltage Range 5.0 V is 5.0 V 0.5 V.
CAPACITANCE
C IN
C PD
Symbol
Symbol
Symbol
Input Capacitance
Power Dissipation Capacitance
Propagation Delay
S n to Z or Z
S n to Z or Z
Propagation Delay
S n to Z or Z
S n to Z or Z
Propagation Delay
I n to Z or Z
Propagation Delay
I n to Z or Z
I n to Z or Z
Output Enable Time
OE to Z or Z
OE to Z or Z
Output Enable Time
OE to Z or Z
OE to Z or Z
Output Disable Time
OE to Z or Z
OE to Z or Z
Output Disable Time
OE to Z or Z
OE to Z or Z
Parameter
Parameter
Parameter
MC74AC251 MC74ACT251
FACT DATA
5-7
V CC *
V CC *
(V)
(V)
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
Min
2.5
2.5
2.5
2.5
2.5
2.5
2.5
1.5
1.5
1.5
1.5
2.0
2.0
1.5
1.5
Value
Typ
4.5
70
T A = +25 C
C L = 50 pF
74ACT
Typ
7.0
7.0
7.5
7.5
5.5
6.5
6.5
5.0
5.0
4.5
4.5
6.0
6.0
4.5
4.5
Unit
pF
pF
Max
15.5
15.5
16.5
16.5
12.0
12.5
12.5
12.0
12.0
8.5
8.5
8.5
8.5
8.5
8.5
Min
T A = –40 C
2.0
2.0
2.5
2.5
2.0
2.5
2.5
1.5
1.5
1.5
1.5
2.0
2.0
1.5
1.5
C L = 50 pF
to +85 C
74ACT
Test Conditions
Max
17.0
17.0
18.5
18.5
13.0
14.0
14.0
13.0
13.0
9.0
9.0
9.5
9.5
9.0
9.0
V CC = 5.0 V
V CC = 5.0 V
Unit
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
Fig.
Fig.
No.
No.
3-6
3-6
3-6
3-6
3-5
3-5
3-5
3-7
3-7
3-8
3-8
3-7
3-7
3-8
3-8