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參數(shù)資料
| 型號： | FST3125QSC |
| 廠商： | FAIRCHILD SEMICONDUCTOR CORP |
| 元件分類： | 通用總線功能 |
| 英文描述： | Quad Bus Switch |
| 中文描述： | CBT/FST/QS/5C/B SERIES, QUAD 1-BIT DRIVER, TRUE OUTPUT, PDSO16 |
| 封裝： | 0.150 INCH, MO-137, QSOP-16 |
| 文件頁數(shù)： | 3/6頁 |
| 文件大小： | 123K |
| 代理商： | FST3125QSC |
3
www.fairchildsemi.com
F
AC Electrical Characteristics
Note 6:
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 7)
Note 7:
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
Note:
Input PRR
=
1.0 MHz, t
W
=
500ns
FIGURE 1. AC Test Circuit
FIGURE 2. AC Waveforms
Symbol
Parameter
T
A
=
40
°
C to
+
85
°
C,
C
L
=
50pF, 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
Prop Delay Bus to Bus (Note 6)
ns
V
I
=
OPEN
Figure 1
Figure 2
t
PZH
, t
PZL
Output Enable Time
1.0
5.0
5.5
ns
V
I
=
7V for t
PZL
V
I
=
OPEN for t
PZH
V
I
=
7V for t
PLZ
V
I
=
OPEN for t
PHZ
Figure 1
Figure 2
t
PHZ
, t
PLZ
Output Disable Time
1.5
5.3
5.6
ns
Figure 1
Figure 2
Symbol
C
IN
Parameter
Typ
3
Max
Units
pF
Conditions
Control Pin Input Capacitance
V
CC
=
5.0V
C
I/O
Input/Output Capacitance
5
pF
V
CC
, OE
=
5.0V
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