74ACT1284_00 Datasheet, PDF (4/7 Pages) Fairchild Semiconductor – IEEE 1284 Transceiver

AC Electrical Characteristics
T_A = +25°C
T_A = 0°C to +70°C
Symbol
Parameter
V_CC = 4.7V − 5.5V
V_CC = 4.7V − 5.5V
Min
Max
Min
Max
t_PHL
A₁- A₇ to B₁ - B₇
t_PLH
A₁- A₇ to B₁ - B₇
t_PHL
B₁ - B₄ to A₁ - A₄
t_PLH
B₁ - B₄ to A₁ - A₄
t_pEnable
Output Enable Time
HD to B₁ - B₇
t_pDisable
Output Disable Time
HD to B₁ - B₇
t_SKEW
Output Slew Rate
t_PLH
B₁ - B₇
t_PHL
t_r, t_f
t_RISE and t_FALL
B₁ - B₇ (Note 7)
Note 7: Open Drain
2.0
20.0
2.0
20.0
2.0
20.0
2.0
20.0
2.0
20.0
2.0
20.0
2.0
20.0
2.0
20.0
2.0
20.0
2.0
20.0
2.0
20.0
2.0
20.0
0.05
0.40
0.05
0.40
120
120
Note 8: This parameter is guaranteed but not tested, characterized only.
Note: Pulse Generator for all pulses; Rate ≤ 1.0 MHz; A_O ≤ 50Ω; t_f ≤ 2.5 ns, t_r ≤ 2.5 ns.
T_A = −40°C to +85°C
V_CC = 4.7V − 5.5V
Min
Max
2.0
24.0
2.0
24.0
2.0
24.0
2.0
24.0
2.0
24.0
2.0
24.0
0.05
0.40
120
Units
Figure
Number
ns Figure 1
ns Figure 2
ns Figure 3
ns Figure 3
ns Figure 2
ns Figure 2
V/ns
Figures
1, 2
Figure 4
ns
(Note 8)
Capacitance
Symbol
C_IN
C_I/O
Parameter
Input Capacitance
I/O Pin Capacitance
Typ
Units
Conditions
4.0
12.0
pF
V_CC = OPEN (HD, DIR A₅ - A₇)
pF
V_CC = 5.0V
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