參數(shù)資料
型號(hào)： SMH4042G-BGN
廠商： Electronic Theatre Controls, Inc.
英文描述： Hot Swap⑩ Controller
中文描述： ⑩熱插拔控制器
文件頁(yè)數(shù)： 18/28頁(yè)
文件大?。?/td> 225K
代理商： SMH4042G-BGN
18
SMH4042
2037-07 9/23/99
CompactPCI
Applications Aid
I/O Buffers
Depending upon the application requirements there are a number of silicon solutions that employ low on-resistance
CMOS switches. Figure 6 shows one implementation using a QuickSwitch
from Quality Semiconductor. This
particular device exhibits very Flat R
ON
characteristics from 0 to 5V. The only drawback is the extra space required
for the external pull-up resistors.
early power
Figure 7 shows another implementation, but the pull-up resistor structure is incorporated in the switch. The circuit also
automatically switches the bias voltage out of the circuit as the CMOS switches are enabled. A potential advantage
is the ability to place the interface closer to the edge of the card. The board designer should evaluate their requirements
and design goals and determine their best solution. The bus switches are available from both Texas Instruments and
Pericom Semiconductor.
OE1 OE2 OE3 OE4
SGNL_VLD
A0
A1
A31
A30
A29
A28
B0
B1
B2
B30
B31
B29
QS34XVH245
H
L
SMH4042
1Vref
+
-
LMV321
2037 ILL27.0
ON
SGNL_VLD
A0
A1
A10
A9
A8
B0
B1
B2
B10
B9
SN74CBT6800
or PI5C6800
H
L
BIASV
1Vref
+
-
LMV321
Equivalent Internal
Circuit
A1
B1
ON
BIASV
2037 ILL28.0
Figure 6. Bus buffers with external pull-ups
Figure 7. Bus buffers with integrated pull-ups
相關(guān)PDF資料
PDF描述
SMH4042G-BHM XTAL PLAS SMT 12X4 4PAD
SMH4042G-BHN XTAL MTL T/H HC49/U
SMH4042G-BKM Hot Swap⑩ Controller
SMH4042G-BKN Hot Swap⑩ Controller
SMH4042G-BLM Hot Swap⑩ Controller
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
SMH4042G-BHM 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Hot Swap⑩ Controller
SMH4042G-BHN 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Hot Swap⑩ Controller
SMH4042G-BKM 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Hot Swap⑩ Controller
SMH4042G-BKN 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Hot Swap⑩ Controller
SMH4042G-BLM 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Hot Swap⑩ Controller
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