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參數(shù)資料
| 型號： | Edge818 |
| 廠商： | Semtech Corporation |
| 英文描述： | Octal 18V Pin Electronics Driver/window Comparator |
| 中文描述： | 八路18V的引腳電子驅(qū)動器/窗口比較 |
| 文件頁數(shù)： | 6/12頁 |
| 文件大小： | 87K |
| 代理商： | EDGE818 |
6
2000 Semtech Corp.
www.semtech.com
EDGE HIGH-PERFORMANCE PRODUCTS
Application Information
Edge818
Power Supply Decoupling
VCC and VEE should be decoupled to GND with a .1
μ
F
chip capacitor in parallel with a .001
μ
F chip capacitor.
A VCC and VEE plane, or at least a solid power bus, is
recommended for optimal performance.
VH and VL Decoupling
As the VH and VL inputs are unbuffered and supply the
driver output current, which can be quite large during
edge transitions, decoupling capacitors for these inputs
are recommended in proportion to the amount of output
current requirements.
For applications where VH and VL are shared over multiple
channels, a solid power plane to distribute these levels
is preferred.
VBB
The two VBB pins are connected together on-chip.
Therefore, only one VBB needs to be connected to for
proper 818 operation.
The two pins may be used to daisy chain a VBB signal
across a PC Board without having to route the actual
signal underneath the 818.
Latchup Protection
The Edge818 has several power supply requirements to
protect the part in power supply fault situations, as well
as during power up and power down sequences. VCC
must remain greater than or equal to VDD (external supply
for the digital logic) at all times. Both VCC and VDD
must always be positive (above ground), and VEE must
always be negative (at or below ground).
The three diode configuration shown in Figure 5 should
be used on a once-per-board basis.
Figure 5.
Power Supply Protection Scheme
gure 5.
Warning: It is extremely important that the voltage on
any device pin does not exceed the range of VEE –
0.5V to VCC +0.5V at any time, either during power up,
normal operation, or during power down. Failure to
adhere to this requirement could result in latchup of
the device, which could be destructive if the system
power supplies are capable of supplying large amounts
of current. Even if the device is not immediately
destroyed, the cumulative damage caused by the stress
of repeated latchup may affect device reliability.
VCC
VDD
VEE
1N5820 or
Equivalent
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| EDGE819 | 制造商:SEMTECH 制造商全稱:Semtech Corporation 功能描述:Octal, 18V Pin Electronics Driver |
| EDGE-DET-E3-U1 | 功能描述:IP CORE 2D EDGE DETECTOR ECP3 RoHS:否 類別:編程器，開發(fā)系統(tǒng) >> 軟件 系列:* 標準包裝:1 系列:ISE® 設計套件 類型:訂閱 適用于相關(guān)產(chǎn)品:Xilinx FPGAs 其它名稱:Q4986209T1081384 |
| EDGE-DET-E3-UT1 | 功能描述:SITE LICENSE 2D EDGE DETECT ECP3 RoHS:否 類別:編程器，開發(fā)系統(tǒng) >> 軟件 系列:* 標準包裝:1 系列:ISE® 設計套件 類型:訂閱 適用于相關(guān)產(chǎn)品:Xilinx FPGAs 其它名稱:Q4986209T1081384 |
| EDGE-DET-P2-U1 | 功能描述:IP CORE 2D EDGE DETECTOR ECP2 RoHS:否 類別:編程器，開發(fā)系統(tǒng) >> 軟件 系列:* 標準包裝:1 系列:ISE® 設計套件 類型:訂閱 適用于相關(guān)產(chǎn)品:Xilinx FPGAs 其它名稱:Q4986209T1081384 |
| EDGE-DET-P2-UT1 | 功能描述:SITE LICENSE 2D EDGE DETECT ECP2 RoHS:否 類別:編程器，開發(fā)系統(tǒng) >> 軟件 系列:* 標準包裝:1 系列:ISE® 設計套件 類型:訂閱 適用于相關(guān)產(chǎn)品:Xilinx FPGAs 其它名稱:Q4986209T1081384 |
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