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參數(shù)資料
| 型號： | FST34170MTDX |
| 廠商： | FAIRCHILD SEMICONDUCTOR CORP |
| 元件分類： | 通用總線功能 |
| 英文描述： | Bus Exchanger |
| 中文描述： | CBT/FST/QS/5C/B SERIES, 17 1 LINE TO 2 LINE MULTIPLEXER AND DEMUX/DECODER, TRUE OUTPUT, PDSO56 |
| 封裝： | 6.10 MM, MO-153, TSSOP-56 |
| 文件頁數(shù)： | 3/4頁 |
| 文件大小： | 135K |
| 代理商： | FST34170MTDX |
3
www.fairchildsemi.com
F
AC Electrical Characteristics
Note 7:
This parameter is guaranteed by design but is not tested. The bus switch contributes no propagation delay other than the RC delay of the typical On
resistance of the switch and the 50pF load capacitance, when driven by an ideal voltage source (zero output impedance).
Capacitance
(Note 8)
Note 8:
T
A
=
+
25
°
C, f
=
1 MHz, Capacitance is characterized but not tested.
AC Loading and Waveforms
Note:
Input driven by 50
source terminated in 50
Note:
C
L
includes load and stray capacitance, C
L
=
50 pF
Note:
Input PRR
=
1.0 MHz, t
W
=
500 ns
FIGURE 1. AC Test Circuit
FIGURE 2. AC Waveforms
Symbol
Parameter
T
A
=
40
°
C to
+
85
°
C,
C
L
=
50 pF, RU
=
RD
=
500
V
CC
=
4.5
5.5V
Min
Max
0.25
Units
Conditions
Figure No.
V
CC
=
4.0V
Min
Max
0.25
t
PHL
, t
PLH
t
PZH
A or B, to B or A (Note 7)
Output Enable Time,
SEL to A, B
ns
V
I
=
OPEN
Figures 1, 2
7.0
30.0
35.0
ns
V
I
=
OPEN for t
PZH
Figures 1, 2
t
PZL
Output Enable Time,
SEL to A, B
Output Disable Time,
7.0
30.0
35.0
ns
V
I
=
7V for t
PZL
Figures 1, 2
t
PHZ
1.0
6.9
7.3
ns
V
I
=
OPEN for t
PHZ
Figures 1, 2
SEL to A, B
Output Disable Time,
SEL to A, B
t
PLZ
1.0
7.7
7.7
ns
V
I
=
7V for t
PLZ
Figures 1, 2
Symbol
Parameter
Control pin Input Capacitance
Typ
4
Max
Units
pF
Conditions
C
IN
C
I/O
OFF
V
CC
=
5.0V
V
CC
=
5.0V, Switch OFF
Input/Output Capacitance
“
OFF State
”
8
pF
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