CD74AC251 Datasheet, PDF (5/8 Pages) Texas Instruments – 8-Input Multiplexer, Three-State

CD74AC251, CD74ACT251
ACT Input Load Table
INPUT
UNIT LOAD
S0, S1, S3
1
OE
1
I₀ - I₇
1
TNaObTleE, ^{:e.Ug.n,i2t l.o4amdAism∆}aI^Cx^Catlim25it^{osCp.ecified in DC Electrical Specifications}
Switching Specifications Input t_r, t_f = 3ns, C_L = 50pF (Worst Case)
-40^oC TO 85^oC
PARAMETER
AC TYPES
SYMBOL
V_CC (V)
MIN
TYP MAX
Propagation Delay,
Data to Y Output
t_PLH, t_PHL
1.5
-
3.3
4.9
(Note 9)
-
153
-
17.2
5
3.5
(Note 10)
-
12.3
Propagation Delay,
Data to Y Output
t_PLH, t_PHL
1.5
-
-
169
3.3
5.4
-
19
5
3.8
-
13.5
Propagation Delay,
Select to Y Output
t_PLH, t_PHL
1.5
-
-
207
3.3
6.6
-
23.2
5
4.7
-
16.5
Propagation Delay,
Select to Y Output
t_PLH, t_PHL
1.5
-
-
223
3.3
7.1
-
24.9
5
5.1
-
17.8
Propagation Delay,
t_PZH, t_PZL,
1.5
-
-
155
Output Enable and Output
Disable to Output
t_PHZ, t_PLZ
3.3
5.2
-
18.7
5
3.5
-
12.3
Three-State Output
Capacitance
C_O
-
-
-
15
Input Capacitance
C_I
-
Power Dissipation Capacitance
C_PD
-
(Note 11)
-
-
10
-
120
-
ACT TYPES
Propagation Delay,
Data to Y Output
t_PLH, t_PHL
5
3.5
(Note 10)
-
12.3
Propagation Delay,
Data to Y Output
t_PLH, t_PHL
5
3.8
-
13.5
Propagation Delay,
Select to Y Output
t_PLH, t_PHL
5
4.7
-
16.5
Propagation Delay,
Select to Y Output
t_PLH, t_PHL
5
5.1
-
17.8
Propagation Delay,
t_PZH, t_PZL,
5
Output Enable and Output
t_PHZ, t_PLZ
Disable to Output
3.5
-
12.3
-55^oC TO 125^oC
MIN
TYP
MAX
UNITS
-
-
169
ns
4.7
-
18.9
ns
3.4
-
13.5
ns
-
-
186
ns
5.2
-
20.9
ns
3.7
-
14.9
ns
-
-
228
ns
6.4
-
25.5
ns
4.6
-
18.2
ns
-
-
245
ns
6.9
-
27.4
ns
4.9
-
19.6
ns
-
-
169
ns
5.1
-
20.3
ns
3.4
-
13.5
ns
-
-
15
pF
-
-
10
pF
-
120
-
pF
3.4
-
13.5
ns
3.7
-
14.9
ns
4.6
-
18.2
ns
4.9
-
19.6
ns
3.4
-
13.5
ns
5