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參數(shù)資料
| 型號： | PS395CPG |
| 廠商： | PERICOM SEMICONDUCTOR CORP |
| 元件分類： | 多路復用及模擬開關 |
| 英文描述： | OCTAL 1-CHANNEL, SGL POLE SGL THROW SWITCH, PDIP24 |
| 封裝： | PLASTIC, DIP-24 |
| 文件頁數(shù)： | 5/13頁 |
| 文件大?。?/td> | 405K |
| 代理商： | PS395CPG |
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PS8462B
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PS395
Precision8-Channel17V,
SPSTSwitchw/SerialControl
Addressable Serial Interface
When several serial devices are configured as slaves, addressable
by the processor, DIN pins of each decode logic individually con-
trol CS of each slave device. When a slave is selected, its CS pin is
driven low, data is shifted in, and CS is driven high to latch the
data. Typically, only one slave is addressed at a time. DOUT is not
used.
Applications Information
Multiplexers
The PS395 can be used as a multiplexer.
Single Supply
The PS395 operates from a single supply between +3V and +16V
when V- is connected to GND. All of the bipolar precautions must
be observed.
Figure 7. Three-Wire Interface Timing
D0
D7
SCLK
DIN
CS
DOUT
D6 D5 D4
DATA BITS
D3 D2 D1 D0
SWITCHES
UPDATED
D7 D6 D5 D4 D3 D2 D1
DATA BITS FROM PREVIOUS DATA INPUT
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High-Frequency Performance
In 50 systems, signal response is reasonably flat up to 50 MHz
(see Typical Operating Characteristics). Above 20 MHz, the on-
response has several minor peaks that are highly layout depen-
dent. The problem is not turning the switch on, but turning it
off. The off-state switch acts like a capacitor and passes higher
frequencies with less attenuation. At 10MHz, off isolation is about
45dB in 50 systems, becoming worse (approximately 20dB per
decade) as frequency increases. Higher circuit impedances also
make off isolation worse. Adjacent channel attenuation is about
3dB above that of a bare IC socket, and is due entirely to capaci-
tive coupling.
Pericom Semiconductor Corporation
2380 Bering Drive San Jose, CA 95131 1-800-435-2336 Fax (408) 435-1100 http://www.pericom.com
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| PS395CWG | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:ANALOG SWITCH|OCTAL|SPST|CMOS|SOP|24PIN|PLASTIC |
| PS395ENG | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:ANALOG SWITCH|OCTAL|SPST|CMOS|DIP|24PIN|PLASTIC |
| PS395EWG | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:ANALOG SWITCH|OCTAL|SPST|CMOS|SOP|24PIN|PLASTIC |
| PS396 | 制造商:PERICOM 制造商全稱:Pericom Semiconductor Corporation 功能描述:Precision, 16-Channel 17V Analog Multiplexer |
| PS396CAI | 制造商:PERICOM 制造商全稱:Pericom Semiconductor Corporation 功能描述:Precision, 16-Channel 17V Analog Multiplexer |
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