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參數(shù)資料
| 型號： | FST32245QSC |
| 廠商： | FAIRCHILD SEMICONDUCTOR CORP |
| 元件分類： | 通用總線功能 |
| 英文描述： | Octal Bus Switch with 25з Series Resistor in Outputs (Preliminary) |
| 中文描述： | CBT/FST/QS/5C/B SERIES, 8-BIT DRIVER, TRUE OUTPUT, PDSO20 |
| 封裝： | 0.150 INCH, MO-137, QSOP-20 |
| 文件頁數(shù)： | 3/5頁 |
| 文件大小： | 170K |
| 代理商： | FST32245QSC |
Preliminary
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
=
50pF, RU
=
RD
=
500
V
CC
=
4.5 – 5.5V
Min
Max
1.25
Units
Conditions
Figure
Number
V
CC
=
4.0V
Min
Max
1.25
t
PHL
, t
PLH
Propagation Delay Bus to Bus
(Note 6)
Output Enable Time
ns
V
I
=
OPEN
Figures
1, 2
Figures
1, 2
t
PZH
, t
PZL
1.0
5.9
6.4
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
t
PHZ
, t
PLZ
Output Disable Time
1.0
6.0
5.7
ns
Figures
1, 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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| FST32245QSCX | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Bus Switch |
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| FST32253 | 制造商:FAIRCHILD 制造商全稱:Fairchild Semiconductor 功能描述:Dual 4:1 Multiplexer/Demultiplexer Bus Switch with 25з Series Resistor in Outputs |
| FST32253M | 功能描述:編碼器、解碼器、復用器和解復用器 Multi/Demultiplexer Dual 4:1 RoHS:否 制造商:Micrel 產(chǎn)品:Multiplexers 邏輯系列:CMOS 位數(shù): 線路數(shù)量（輸入/輸出）:2 / 12 傳播延遲時間:350 ps, 400 ps 電源電壓-最大:2.625 V, 3.6 V 電源電壓-最小:2.375 V, 3 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:QFN-44 封裝:Tray |
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