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參數(shù)資料
| 型號(hào)： | FST3345 |
| 廠商： | Fairchild Semiconductor Corporation |
| 英文描述： | 8-Bit Bus Switch(8位總線開(kāi)關(guān)) |
| 中文描述： | 8位總線開(kāi)關(guān)（8位總線開(kāi)關(guān)） |
| 文件頁(yè)數(shù)： | 3/6頁(yè) |
| 文件大小： | 119K |
| 代理商： | FST3345 |
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 the 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
=
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
Prop Delay Bus to Bus (Note 6)
ns
V
I
=
OPEN
Figure 1
Figure 2
t
PZH
, t
PZL
Output Enable Time
1.5
6.5
7.0
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
1.0
8.0
8.2
ns
Figure 1
Figure 2
Symbol
Parameter
Typ
Max
Units
Conditions
C
IN
Control Pin Input Capacitance
4
pF
V
CC
=
5.0V
C
I/O
Input/Output Capacitance
5
pF
V
CC
, OE
=
5.0V, OE
=
0V
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| FST3345_05 | 制造商:FAIRCHILD 制造商全稱:Fairchild Semiconductor 功能描述:8-Bit Bus Switch |
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| FST3345MTC | 功能描述:數(shù)字總線開(kāi)關(guān) IC 8-Bit Bus Switch RoHS:否 制造商:Texas Instruments 開(kāi)關(guān)數(shù)量:24 傳播延遲時(shí)間:0.25 ns 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:TSSOP-56 封裝:Reel |
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| FST3345MTCX_NL | 制造商:FAIRCHILD 制造商全稱:Fairchild Semiconductor 功能描述:8-Bit Bus Switch |
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