參數(shù)資料
型號： 74VHC161284MTDX
廠商： FAIRCHILD SEMICONDUCTOR CORP
元件分類： 通用總線功能
英文描述： IEEE 1284 Transceiver
中文描述： 13 LINE TRANSCEIVER, PDSO48
封裝： 6.10 MM, MO-153, TSSOP-48
文件頁數(shù)： 5/11頁
文件大小： 112K
代理商： 74VHC161284MTDX
5
www.fairchildsemi.com
7
AC Electrical Characteristics
Note 8:
Open Drain
Note 9:
t
SKEW
is measured for common edge output transitions and compares the measured propagation delay for a given path type.
(i) A
1
–
A
8
to B
1
–
B
8
, A
9
–
Y
13
to Y
9
–
Y
13
(ii) B
1
–
B
8
to A
1
–
A
8
(iii) C
14
–
C
17
to A
14
–
A
17
Note 10:
This parameter is guaranteed but not tested, characterized only.
Capacitance
(Note 11)
Note 11:
Capacitance is measured at frequency
=
1 MHz.
Symbol
Parameter
T
A
=
40
°
C to
+
85
°
C
V
CC
=
4.5V
5.5V
Min
2.0
2.0
Units
Figure
Number
Max
30.0
30.0
t
PHL
t
PLH
t
PHL
t
PLH
t
PHL
t
PLH
t
PHL
t
PLH
t
SKEW
t
PHL
t
PLH
t
PHL
t
PLH
t
PHZ
t
PLZ
t
PZH
t
PZL
t
PHZ
t
PLZ
t
pEN
A
1
–
A
8
to B
1
–
B
8
A
1
–
A
8
to B
1
–
B
8
B
1
–
B
8
to A
1
–
A
8
B
1
–
B
8
to A
1
–
A
8
A
9
–
A
13
to Y
9
–
Y
13
A
9
–
A
13
to Y
9
–
Y
13
C
14
–
C
17
to A
14
–
A
17
C
14
–
C
17
to A
14
–
A
17
LH-LH or HL-HL
PLH
IN
to PLH
PLH
IN
to PLH
HLH
IN
to HLH
HLH
IN
to HLH
Output Disable Time
ns
ns
Figure 1
Figure 2
2.0
2.0
2.0
30.0
30.0
30.0
ns
ns
ns
Figure 3
Figure 3
Figure 1
2.0
2.0
2.0
30.0
30.0
30.0
ns
ns
ns
Figure 2
Figure 3
Figure 3
6.0
30.0
30.0
ns
ns
ns
(Note 9)
Figure 1
Figure 2
2.0
2.0
2.0
2.0
2.0
30.0
30.0
18.0
ns
ns
Figure 3
Figure 3
ns
Figure 7
DIR to A
1
–
A
8
Output Enable Time
DIR to A
1
–
A
8
Output Disable Time
DIR to B
1
–
B
8
Output Enable Time
2.0
2.0
2.0
18.0
25.0
25.0
ns
Figure 8
2.0
2.0
25.0
25.0
ns
Figure 9
2.0
28.0
ns
Figure 2
HD to B
1
–
B
8
, Y
9
–
Y
13
Output Disable Time
HD to B
1
–
B
8
, Y
9
–
Y
13
Output Enable-Output Disable
Output Slew Rate
t
pDis
2.0
28.0
ns
Figure 2
t
pEn
–
t
pDis
t
SLEW
t
PLH
t
PHL
t
r
, t
f
20.0
ns
B
1
–
B
8
, Y
9
–
Y
13
0.05
0.05
0.40
0.40
120
V/ns
Figure 5
Figure 4
Figure 6
t
RISE
and t
FALL
B
1
–
B
8
, Y
9
–
Y
13
(Note 8)
ns
120
(Note 10)
Symbol
C
IN
C
I/O
Parameter
Typ
5
Units
pF
Conditions
Input Capacitance
V
CC
=
0.0V (HD, DIR, A
9
—
A
13
, C
14
—
C
17
, PLH
IN
and HLH
IN
)
V
CC
=
3.3V
I/O Pin Capacitance
12
pF
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