參數(shù)資料
型號: FST3384
廠商: Fairchild Semiconductor Corporation
英文描述: 10-Bit Low Power Bus Switch(10位低功耗總線交換開關)
中文描述: 10位低功耗總線開關(10位低功耗總線交換開關)
文件頁數(shù): 3/5頁
文件大?。?/td> 99K
代理商: FST3384
3
www.fairchildsemi.com
F
AC Electrical Characteristics
Note 6:
This parameter is guaranteed by design but 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 the source (zero output impedance).
Capacitance
(Note 7)
Note 7:
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
Note:
Input PRR
=
1.0 MHz, t
W
=
500 nS
FIGURE 1. AC Test Circuit
FST3384 V
IN
vs. R
ON
(Typ)
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
Units
Conditions
Figure
No.
V
CC
=
4.0V
Min
Max
t
PHL
, t
PLH
Prop Delay Bus to Bus (Note 6)
0.25
0.25
ns
V
I
=
OPEN
Figures
1, 2
t
PZH
, t
PZL
Output Enable Time
1.0
5.7
6.2
ns
V
I
=
7V for t
PZL
V
I
=
OPEN for t
PZH
I
I
=
7V for t
PLZ
V
I
=
OPEN for t
PHZ
Figures
1, 2
OE
1
, OE
2
to A
n
, B
n
Output Disable Time
OE
1
, OE
2
to A
n
, B
n
t
PHZ
, t
PLZ
1.5
5.2
5.5
ns
Figures
1, 2
Symbol
C
IN
Parameter
Typ
3
Max
6
Units
pF
Conditions
V
CC
=
5.0V
Control Input Capacitance
C
I/O
(OFF)
Input/Output Capacitance
5
13
pF
V
CC
, OE
=
5.0V
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