參數(shù)資料
型號: FIN1022M
廠商: FAIRCHILD SEMICONDUCTOR CORP
元件分類: 運動控制電子
英文描述: 2 X 2 LVDS High Speed Crosspoint Switch
中文描述: 2-CHANNEL, CROSS POINT SWITCH, PDSO16
封裝: 0.150 INCH, MS-012, SOIC-16
文件頁數(shù): 5/10頁
文件大?。?/td> 547K
代理商: FIN1022M
5
www.fairchildsemi.com
F
Required Specifications
1. When the true and complement LVDS outputs (having
a 75
connected between outputs) are connected to
3.75 k
resistors and the common point of those 3.75
k
resistors are connected to a voltage source that
sweeps from 0 to 2.4V, the DC V
OD
and
V
OD
are still
maintained (see Figure 1).
2. When the true and complement LVDS outputs (having
a 5 pF capacitor attached between outputs) are con-
nected with 37.5
resistors each to common point,
then the common point does not vary by more than 150
mV under all process, temperature and voltage condi-
tions when the outputs switch either from LOW-to-
HIGH or from HIGH-to-LOW (see Figure 2).
3. Pull-down resistors are required on Enable (EN
0
and
EN
1
) and select (SEL
0
and SEL
1
) inputs.
4. Fail safe protection on the outputs that draw less than
20
μ
A of current (worst case) on the LVDS inputs. In
this condition, if the input is in fail safe selected to
OUT
0
+
/OUT
0
(say) and the outputs are Enabled then
OUT
0
+
=
HIGH and OUT
0
=
LOW. This prevents noise
from being amplified when the connection is broken.
5. In the disabled state the outputs can go beyond V
CC
but there should be no appreciable leakage (see I
OZD
and I
OFF
specifications)
FIGURE 1. Common Mode Supply Test Circuit
FIGURE 2. Dynamic V
OS
Test Circuit and Waveforms
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