參數(shù)資料
型號(hào): 74VHC161284
廠商: Fairchild Semiconductor Corporation
英文描述: IEEE 1284 Transceiver
中文描述: 符合IEEE 1284收發(fā)器
文件頁數(shù): 4/11頁
文件大?。?/td> 112K
代理商: 74VHC161284
www.fairchildsemi.com
4
7
DC Electrical Characteristics
(Continued)
Note 5:
Output impedance is measured with the output active LOW and active HIGH (HD
=
HIGH).
Note 6:
This parameter is guaranteed but not tested, characterized only.
Note 7:
Power-down leakage to V
CC
is tested by simultaneously forcing all pins on the cable-side (B
1
B
8
, Y
9
Y
13
, PLH, C
14
C
17
and HLH
IN
to 5.5V and
measuring the resulting I
CC
.
Symbol
Parameter
V
CC
(V)
4.5
4.5
T
A
=
40
°
C to
+
85
°
C
Guaranteed Limits
0.1
0.44
Units
Conditions
V
OL
Maximum LOW Level Output Voltage
A
n
, HLH
V
I
OL
=
50
μ
A
I
OL
=
8 mA
I
OL
=
14 mA
I
OL
=
84 mA
(Note 5)(Note 6)
B
n
, Y
n
PLH
B
1
B
8
, Y
9
Y
13
B
1
B
8
, Y
9
Y
13
B
1
B
8
, Y
9
Y
13
, C
14
C
17
B
1
B
8
, Y
9
Y
13
, C
14
C
17
A
9
A
13
, PLH
IN
, HD, DIR, HLH
IN
C
14
C
17
A
9
A
13
, PLH
IN
, HD, DIR, HLH
IN
C
14
C
17
A
1
A
8
B
1
B
8
A
1
A
8
B
1
B
8
B
1
B
8
, Y
9
Y
13
, PLH
C
14
C
17
, HLH
IN
4.5
4.5
5.0
0.77
0.7
55
RD
Maximum Output Impedance
Minimum Output Impedance
Maximum Pull-Up Resistance
Minimum Pull-Up Resistance
5.0
5.0
5.0
35
(Note 5)(Note 6)
RP
1650
1150
I
IH
Maximum Input Current in HIGH State
5.5
5.5
5.5
1.0
100
1.0
5.0
20
100
20
5.0
100
μ
A
V
I
=
5.5V
V
I
=
5.5V
V
I
=
0.0V
V
I
=
0.0V
V
O
=
5.5V
V
O
=
5.5V
V
O
=
0.0V
I
IL
Maximum Input Current in LOW State
μ
A
mA
5.5
5.5
5.5
I
OZH
Maximum Output Disable Current
(HIGH)
μ
A
I
OZL
Maximum Output Disable Current
(LOW)
Power Down Output Leakage
5.5
5.5
0.0
μ
A
mA
μ
A
μ
A
μ
A
mA
I
OFF
I
OFF
I
OFF
I
CC
I
CC
V
O
=
5.5V
V
I
=
5.5V
(Note 7)
V
I
=
V
CC
or GND
Power Down Input Leakage
Power Down Leakage to V
CC
Maximum Supply Current
0.0
0.0
5.5
100
250
70
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