參數資料
型號: NC7WB3125K8X
廠商: Fairchild Semiconductor
文件頁數: 5/10頁
文件大小: 0K
描述: IC BUS SWITCH UHS 2BIT HS US8
產品變化通告: Mold Compound Change 27/Aug/2008
標準包裝: 1
類型: 總線開關
電路: 1 x 1:1
獨立電路: 2
電壓電源: 單電源
電源電壓: 4 V ~ 5.5 V
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 8-VFSOP(0.091",2.30mm 寬)
供應商設備封裝: US8
包裝: 標準包裝
其它名稱: NC7WB3125K8XDKR
www.fairchildsemi.com
4
NC
7
W
B
3
125
AC Electrical Characteristics
Note 6: This parameter is guaranteed by design. The bus switch contributes no propagation delay other than the RC delay of the typical On Resistance of the switch and the 50
pF load capacitance, when driven by an ideal voltage source (zero output impedance). The specified limit is calculated on this basis.
Capacitance
AC Loading and Waveforms
Input driven by 50
: source terminated in 50:
CL includes load and stray capacitance
Input PRR
1.0 MHz; tW 500 ns
FIGURE 1. AC Test Circuit
FIGURE 2. AC Waveforms
TA 40qC to 85qC,
Symbol
Parameter
VCC
CL 50 pF, RU RD 500:
Units
Conditions
Figure
(V)
Min
Typ
Max
Number
tPHL,
Propagation Delay Bus-to-Bus
4.0 to 5.5
0.25
ns
VI OPEN
Figures
1, 2
tPLH
(Note 6)
tPZL,
Output Enable Time
4.5 to 5.5
0.8
2.5
4.2
ns
VI 7V for tPZL
Figures
1, 2
tPZH
4.0
0.8
3.0
4.6
VI 0V for tPZH
tPLZ,
Output Disable Time
4.5 to 5.5
0.8
3.1
4.8
ns
VI 7V for tPLZ
Figures
1Figure 2
tPHZ
4.0
0.8
2.9
4.4
VI 0V for tPHZ
Symbol
Parameter
Typ
Max
Units
Conditions
CIN
Control Pin Input Capacitance
2.5
pF
VCC 0V
CI/O (OFF)
Port Off Capacitance
6.0
pF
VCC 5.0V OE
CI/O (ON)
Switch ON Capacitance
12.0
pF
VCC 5.0V, OE 0V
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