CD54AC257_07 Datasheet, PDF (5/17 Pages) Texas Instruments – Quad 2-Input Multiplexer with Three-State Outputs

CD54/74AC257, CD54/74ACT257, CD74ACT258
ACT Input Load Table
INPUT
UNIT LOAD
Data
0.83
S
1.27
OE
1.27
TNaObTleE, ^{:e.Ugn.,it2l.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,
In to Y
AC/ACT257
t_PLH, t_PHL
1.5
-
3.3
3.3
(Note 9)
-
106
-
11.8
5
2.4
(Note 10)
-
8.5
Propagation Delay,
S to Y
AC/ACT257
t_PLH, t_PHL
1.5
-
-
153
3.3
4.8
-
17.1
5
3.5
-
12.2
Propagation Delay,
OE to Y
AC/ACT257
t_PLZ, t_PHZ,
1.5
-
-
167
t_PZL, t_PZH
3.3
5.3
-
18.7
5
3.8
-
13.4
Propagation Delay,
In to Y
’AC/CD74ACT258
t_PLH, t_PHL
1.5
-
-
91
3.3
2.9
-
10.2
5
2.1
-
7.3
Propagation Delay,
S to Y
’AC/CD74ACT258
t_PLH, t_PHL
1.5
-
-
153
3.3
4.8
-
17.1
5
3.5
-
12.2
Propagation Delay,
OE to Y
’AC/CD74ACT258
t_PLZ, t_PHZ,
1.5
-
-
167
t_PZL, t_PZH
3.3
5.3
-
18.7
5
3.8
-
13.4
Three-State Output
Capacitance
C_O
-
-
-
15
Input Capacitance
C_I
-
Power Dissipation Capacitance
C_PD
-
(Note 11)
-
-
10
-
130
-
ACT TYPES
Propagation Delay,
In to Y
AC/ACT257
t_PLH, t_PHL
5
2.8
(Note 10)
-
9.7
Propagation Delay,
S to Y
AC/ACT257
t_PLH, t_PHL
5
4
-
14
-55^oC TO 125^oC
MIN
TYP
MAX
UNITS
-
-
117
ns
3.3
-
13
ns
2.3
-
9.3
ns
-
-
168
ns
4.7
-
18.8
ns
3.4
-
13.4
ns
-
-
184
ns
5.2
-
20.6
ns
3.7
-
14.7
ns
-
-
100
ns
2.8
-
11.2
ns
2
-
8
ns
-
-
168
ns
4.7
-
18.8
ns
3.4
-
13.4
ns
-
-
184
ns
5.2
-
20.6
ns
3.7
-
14.7
ns
-
-
15
pF
-
-
10
pF
-
130
-
pF
2.7
-
10.7
ns
3.9
-
15.4
ns
5