74HCT157 Datasheet, PDF (4/9 Pages) ON Semiconductor – Quad 2−Input Data Selectors / Multiplexers High−Performance Silicon−Gate CMOS

74HCT157
AC ELECTRICAL CHARACTERISTICS (C_L = 50 pF, Input t_r = t_f = 6.0 ns)
Guaranteed Limit
Symbol
Parameter
V_CC
– 55 to
(V)
25_C v 85_C v 125_C _Unit
t_PLH,
t_PHL
Maximum Propagation Delay, Input A or B to Output Y
(Figures 1 and 4)
4.5
21
26
32
ns
t_PLH,
t_PHL
Maximum Propagation Delay, Select to Output Y
(Figures 2 and 4)
4.5
22
28
33
ns
t_PLH,
t_PHL
Maximum Propagation Delay, Output Enable to Output Y
(Figures 3 and 4)
4.5
20
25
30
ns
t_TLH,
t_THL
Maximum Output Transition Time, Any Output
(Figures 1 and 4)
4.5
15
19
22
ns
C_in Maximum Input Capacitance
−
10
10
10
pF
NOTE: For propagation delays with loads other than 50 pF, and information on typical parametric values, see Chapter 2 of the ON
Semiconductor High−Speed CMOS Data Book (DL129/D).
Typical @ 25°C, V_CC = 5.0 V
C_PD Power Dissipation Capacitance (Per Package)*
33
pF
* Used to determine the no−load dynamic power consumption: P_D = C_PD V_CC2f + I_CC V_CC. For load considerations, see Chapter 2 of the
ON Semiconductor High−Speed CMOS Data Book (DL129/D).
http://onsemi.com
4