KK74HC139A Datasheet, PDF (4/6 Pages) KODENSHI KOREA CORP. – Dual 1-of-4 Decoder/Demultiplexer

KK74HC139A
AC ELECTRICAL CHARACTERISTICS (C_L=50pF,Input t_r=t_f=6.0 ns)
V_CC
Guaranteed Limit
Symbol
Parameter
V 25 °C ≤85°C ≤125°C Unit
to
-55°C
t_PLH, t_PHL Maximum Propagation Delay, Select to OutputY 2.0 115
145
175
ns
(Figures 1 and 3)
4.5 23
29
35
6.0 20
25
30
t_PLH, t_PHL Maximum Propagation Delay , Input A to
OutputY (Figures 2 and 3)
2.0 115
145
175
ns
4.5 23
29
35
6.0 20
25
30
t_TLH, t_THL Maximum Output Transition Time, Any Output 2.0 75
(Figures 1 and 3)
4.5 15
6.0 13
95
110
ns
19
22
16
19
C_IN Maximum Input Capacitance
-
10
10
10
pF
Power Dissipation Capacitance (Per Decoder)
C_PD Used to determine the no-load dynamic power
consumption:
P_D=C_PDV_CC2f+I_CCV_CC
Typical @25°C,V_CC=5.0 V
55
pF
Figure 1. Switching Waveforms
Figure 2. Switching Waveforms
4