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參數(shù)資料
| 型號： | PS395CWG |
| 英文描述： | ANALOG SWITCH|OCTAL|SPST|CMOS|SOP|24PIN|PLASTIC |
| 中文描述： | 模擬開關|八路|聚苯乙烯|的CMOS |?？苵 24針|塑料 |
| 文件頁數(shù)： | 11/13頁 |
| 文件大小： | 363K |
| 代理商： | PS395CWG |
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PS8463C 03/07/01
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PS395A
Low On-Resistance 8-Channel 17V,
8x1 Multiplexer
To use the PS395A as an 8x1 multiplexer, connect all common pins
together (COM0COM7) to form the mux output; the mux inputs
are NO0NO7.
The mux can be programmed normally, with only one channel se-
lected for every eight clock pulses, or it can be programmed in a
fast mode, where channel changing occurs on each clock pulse. In
this mode, the channels are selected by sending a single high
pulse (corresponding to the selected channel) at DIN, and a corre-
sponding CS low pulse for every eight clock pulses. As this is
clocked through the register by SCLK, each switch sequences one
channel at a time, starting with Channel 7.
Dual, Differential 4-Channel Multiplexer
To use the PS395A as a dual (4x2) mux, connect COM0COM3
together and connect COM4COM7 together, forming the two
outputs. The mux input pairs become NO0/NO4, NO1/NO5, NO2/
NO6, and NO3/NO7.
The mux can be programmed normally, with only one differential
channel selected for every eight clock pulses, or it can be pro-
grammed in a fast mode, where channel changing occurs on each
clock pulse.
In fast mode, the channels are selected by sending two high pulses
spaced four clock pulses apart (corresponding to the two selected
channels) at DIN, and a corresponding CS low pulse for each of
the first eight clock pulses. As this is clocked through the register
by SCLK, each switch sequences one differential channel at a
time, starting with channel 7/0. After the first eight bits have been
sent, subsequent channel sequencing can occur by repeating this
sequence or, even faster, by sending only one DIN high pulse and
one CS low pulse for each four clock pulses.
SPDT Switches
To use the PS395A as a quad, single-pole/double-throw (SPDT)
switch, connect COM0 to NO1, COM2 to NO3, COM4 to NO5, and
COM6 to NO7, forming the four common pins. Program these
four switches with pairs of instructions, as shown in SPST Truth
Table.
Reset Function
RESET is the internal reset pin. It is usually connected to a logic
signal or V+. Drive RESET low to open all switches and set the
contents of the internal shift register to zero simultaneously. When
RESET is high, the part functions normally and DOUT is sourced
from V+. RESET must not be driven beyond V+ or GND.
Figure 2. Connections for Microwire
Figure 3. Connections for SPI and QSPI
Figure 4. Daisy-Chained Connection
CS
SCLK
SCLK
SCLK
DIN
DIN
DIN
To
Other
Serial
Devices
CS
CS
SK
SO
SI
I/O
Microwire
Port
PS395A
CS
The DOUT-SI connection is not required for writing to
the PS395A, but may be used for data-echo purposes.
DOUT
DIN
SCLK
MISO
MOSI
SCK
I/O
SPI
Port
PS395A
CS
The DOUT-MISO connection is not required for writing to
the PS395A, but may be used for data-echo purposes.
CPOL = 0, CPHA = 0
SCLK
DIN
DOUT
相關PDF資料 |
PDF描述 |
|---|---|
| PS395ENG | ANALOG SWITCH|OCTAL|SPST|CMOS|DIP|24PIN|PLASTIC |
| PS395EWG | ANALOG SWITCH|OCTAL|SPST|CMOS|SOP|24PIN|PLASTIC |
| PS396CPI | 16-Channel Analog Multiplexer |
| PS396EPI | 16-Channel Analog Multiplexer |
| PS396EWI | ANALOG MUX|SINGLE|16-CHANNEL|CMOS|SO|28PIN|PLASTIC |
相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| 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 |
| PS396CAIE | 功能描述:多路器開關 IC Precision 16Ch Dual 8Ch 17V RoHS:否 制造商:Texas Instruments 通道數(shù)量:1 開關數(shù)量:4 開啟電阻（最大值）:7 Ohms 開啟時間（最大值）: 關閉時間（最大值）: 傳播延遲時間:0.25 ns 工作電源電壓:2.3 V to 3.6 V 工作電源電流: 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:UQFN-16 |
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