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74ACT1284 데이터시트(PDF) 4 Page - STMicroelectronics

부품명 74ACT1284
상세설명  HIGH SPEED IEEE1284 TRANSCEIVER
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제조업체  STMICROELECTRONICS [STMicroelectronics]
홈페이지  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

74ACT1284 데이터시트(HTML) 4 Page - STMicroelectronics

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DC ELECTRICAL CHARACTERISTICS
AC ELECTRICAL CHARACTERISTICS (f = 1MHz, tr =tf = 2.5ns)
Symbol
Parameter
Test Condition
Value
Unit
VCC
(V)
TA = 25°C
-40 to 85°C
Min.
Typ.
Max.
Min.
Max.
VIH
High Level Input Voltage
4.5 to 5.5
2.0
2.0
V
VIL
Low Level Input Voltage
4.5 to 5.5
0.8
0.8
V
VOHB
High Level Output Voltage
B Port
4.5
IOH = -14mA
3.86
3.76
V
VOHA
High Level Output Voltage
A Port
4.5
IO = -50µA
4.4
4.4
V
IO = -4mA
3.86
3.76
VOLB
Low Level Output Voltage
B Port
4.5
IOH = 14mA
0.4
0.4
V
VOLA
Low Level Output Voltage
A Port
4.5
IO =50µA
0.1
0.1
V
IO =4mA
0.36
0.44
II
Input Current
5.5
VI =VCC or GND
(DIR,A5,A6,A7,HD)
± 0.1
± 1
µA
ICCT
Max ICC/Input
5.5
VI =VCC - 2.1V
0.6
1.5
mA
ICC
Quiescent Supply Current
5.5
VI =VCC or GND
880
µA
IOZ
Output Leakage Current
5.5
VO =VCC or GND
± 0.5
± 5
µA
IOFF
B Side Power Down Leakage
Current
0
VO = 5.25V
440
µA
VHYS
Input HysteresIs
5.0
VT
+ =V
T
0.4
0.35
V
ZO
Output Impedance B Port
5.0
VB =VOH
824
Symbol
Parameter
Test Condition
Value
Unit
VCC
(V)
TA =25°C
-40 to 85°C
Min.
Typ.
Max.
Min.
Max.
tPLH
Propagation Delay Time
A1 -A7toB1 - B7
4.5 to 5.5
RL=500Ω,CL=50pF
(fig. 1-2)
1
5.6
1
6.5
ns
tPHL
1
5.6
1
6.5
tPLH
Propagation Delay Time
B1 -B4toA1 - A4
4.5 to 5.5
RL=500Ω,CL=50pF
(fig. 3)
1
7.5
1
8.5
ns
tPHL
1
7.5
1
8.5
tEN
Enable Delay Time
HD to B1 - B7
4.5 to 5.5
RS=33Ω,RL=62Ω
CL=50pF (fig. 2)
1
7.5
1
8.5
ns
tDIS
Disable Delay Time
HD to B1 - B7
1
7.5
1
8.5
ns
tr, tf
trise,tfall B1 - B7 Open Drain
4.5 to 5.5
RPULL_UP=500Ω
CL=50pF (fig. 4)
120
120
ns
CI
Control Input Capacitance
(HD, DIR, A5 - A7)
Open
4
pF
CI/O
I/O Pin Capacitance
5.0
12
pF


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