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74ACT1284 Datasheet(Hoja de datos) 4 Page - Fairchild Semiconductor

No. de Pieza. 74ACT1284
Descripción  IEEE 1284 Transceiver
Descarga  7 Pages
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Fabricante  FAIRCHILD [Fairchild Semiconductor]
Página de inicio  http://www.fairchildsemi.com
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4
AC Electrical Characteristics
Note 7: Open Drain
Note 8: This parameter is guaranteed but not tested, characterized only.
Note: Pulse Generator for all pulses; Rate
1.0 MHz; A
O 50; tf 2.5 ns, tr 2.5 ns.
Capacitance
Symbol
Parameter
TA = +25°CTA = 0°C to +70°CTA = −40°C to +85°C
Units
Figure
Number
VCC = 4.7V − 5.5V
VCC = 4.7V − 5.5V
VCC = 4.7V − 5.5V
Min
Max
Min
Max
Min
Max
tPHL
A1- A7 to B1 - B7
2.0
20.0
2.0
20.0
2.0
24.0
ns
Figure 1
tPLH
A1- A7 to B1 - B7
2.0
20.0
2.0
20.0
2.0
24.0
ns
Figure 2
tPHL
B1 - B4 to A1 - A4
2.0
20.0
2.0
20.0
2.0
24.0
ns
Figure 3
tPLH
B1 - B4 to A1 - A4
2.0
20.0
2.0
20.0
2.0
24.0
ns
Figure 3
tpEnable
Output Enable Time
2.0
20.0
2.0
20.0
2.0
24.0
ns
Figure 2
HD to B1 - B7
tpDisable
Output Disable Time
2.0
20.0
2.0
20.0
2.0
24.0
ns
Figure 2
HD to B1 - B7
tSKEW
Output Slew Rate
0.05
0.40
0.05
0.40
0.05
0.40
V/ns
Figure 1
tPLH
B1 - B7
Figure 2
tPHL
tr, tf
tRISE and tFALL
120
120
120
ns
Figure 4
B1 - B7 (Note 7)
(Note 8)
Symbol
Parameter
Typ
Units
Conditions
CIN
Input Capacitance
4.0
pF
VCC = OPEN (HD, DIR A5 - A7)
CI/O
I/O Pin Capacitance
12.0
pF
VCC = 5.0V




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