54ABT240 Datasheet, PDF (4/8 Pages) National Semiconductor (TI) – Octal Buffer/Line Driver with TRI-STATE Outputs

AC Electrical Characteristics
Symbol
Parameter
t_PLH
t_PHL
t_PZH
t_PZL
t_PHZ
t_PLZ
Propagation Delay
Data to Outputs
Output Enable
Time
Output Disable
Time
54ABT
T_A = −55˚C to +125˚C
V_CC = 4.5V–5.5V
C_L = 50 pF
Min
Max
0.8
5.5
1.0
5.5
0.8
7.5
0.8
7.7
1.0
7.5
1.0
7.2
Capacitance
Symbol
Parameter
Typ
C_IN
Input Capacitance
5.0
C_OUT (Note 5)
Output Capacitance
9.0
Note 5: C_OUT is measured at frequency f = 1 MHz, per MIL-STD-883B, Method 3012.
AC Loading
Units
Fig.
No.
ns
Figure 5
ns
Figure 4
ns
Figure 4
Units
pF
pF
Conditions
T_A = 25˚C
V_CC = 0V
V_CC = 5.0V
Amplitude Rep. Rate
t_W
3.0V
1 MHz 500 ns
t_r
2.5 ns
t_f
2.5 ns
FIGURE 3. Test Input Signal Requirements
DS100202-3
*Includes jig and probe capacitance
FIGURE 1. Standard AC Test Load
FIGURE 2. Test Input Signal Levels
DS100202-4
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