IN74HC240A Datasheet, PDF (4/5 Pages) Integral Corp. – OCTAL 3-STATE INVERTING BUFFER/LINE DRIVER/LINE RECEIVER

IN74HC240A
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 Unit
to
°C
-55°C
t_PLH, Maximum Propagation Delay, A to YA or 2.0 80
t_PHL B to YB (Figures 1 and 3)
4.5 16
6.0 14
100 120 ns
20
24
17
20
t_PLZ, Maximum Propagation Delay, Output 2.0 110 140 165 ns
t_PHZ Enable to YA or YB (Figures 2 and 4)
4.5 22
28
33
6.0 19
24
28
t_PZH, Maximum Propagation Delay, Output 2.0 110 140 165 ns
t_PZL Enable to YA or YB (Figures 2 and 4)
4.5 22
28
33
6.0 19
24
28
t_TLH, t_THL Maximum Output Transition Time, Any 2.0 60
75
90 ns
Output
4.5 12
15
18
(Figures 1 and 3)
6.0 10
13
15
C_IN Maximum Input Capacitance
- 10
10
10 pF
C_OUT Maximum
Three-State
Output - 15
15
15 pF
Capacitance
(Output in High-Impedance State)
Power Dissipation Capacitance (Per Typical @25°C,V_CC=5.0 V
Transceiver Channel)
C_PD Used to determine the no-load dynamic
32
pF
power
consumption:
P_D=C_PDV_CC2f+I_CCV_CC
Figure 1. Switching Waveforms
Figure 2. Switching Waveforms
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