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參數(shù)資料
| 型號： | MAX4584 |
| 廠商： | Maxim Integrated Products, Inc. |
| 英文描述： | Serially Controlled Audio/Video Switches |
| 中文描述： | 串行控制音頻/視頻開關(guān) |
| 文件頁數(shù)： | 10/12頁 |
| 文件大小： | 135K |
| 代理商： | MAX4584 |
M
3-Wire Serial Interface
The MAX4585 3-wire serial interface is SPI/
QSPI/MICROWIRE compatible. An active-low chip-
select (
CS
) input enables the device to receive data for
the serial input (DIN). Data is clocked in on the rising
edge of the serial-clock (SCLK) signal. A total of 8 bits
are needed in each write cycle. The first bit clocked
into the MAX4585 is the command byte’s MSB; the last
bit clocked in is the data byte’s LSB. The first 5 bits of
the command byte are “don’t care.” While shifting data,
the device remains in its original configuration. After all
8 bits are clocked into the input shift register, a rising
edge on
CS
latches the data into the MAX4585’s inter-
nal registers, initiating the device’s change of state.
Figures 3 and 4 detail the 3-wire protocol, and Table 1
details the command byte format.
Addressable Serial Interface
To program several MAX4585s individually using a sin-
gle μP, connect DIN of each MAX4585 together and
control
CS
on each MAX4585 separately. To select a
particular device, drive the corresponding
CS
low,
clock in the 8-bit command, then drive
CS
high to exe-
cute the command. Typically, only one MAX4585 is
addressed at a time.
Power-Up State
The MAX4584/MAX4585 feature a preset power-up
state. See Table 1 to determine the power-up state of
these devices.
Serially Controlled
Audio/Video Switches
10
______________________________________________________________________________________
SCLK
DIN
t
CSS
t
CL
t
CH
t
CSW
t
CSO
t
CSH
t
DH
t
DS
D7
D6
D1
D0
CS
20%
20%
20%
20% 20%
20%
20%
70%
70%
70%
70%
Figure 3. 3-Wire Serial-Interface Timing Diagram
D7
D6
D5
D4
MSB
LSB
D3 D2
D1 D0
DIN
SCLK
SWITCHES UPDATED
DATA CLOCKED IN
CS
INPUT DATA BITS
Figure 4. A Complete 3-Wire Serial Transmission
TRANSISTOR COUNT: 2259
___________________Chip Information
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX4584EUB | 功能描述:多路器開關(guān) IC RoHS:否 制造商:Texas Instruments 通道數(shù)量:1 開關(guān)數(shù)量:4 開啟電阻（最大值）:7 Ohms 開啟時間（最大值）: 關(guān)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 |
| MAX4584EUB+ | 功能描述:視頻開關(guān) IC SPST/SPDT A/V Switch RoHS:否 制造商:Texas Instruments 開關(guān)數(shù)量:4 開啟電阻（最大值）:12 Ohms 傳播延遲時間: 開啟時間（最大值）: 關(guān)閉時間（最大值）: 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:WQFN-42 封裝:Reel |
| MAX4584EUB+T | 功能描述:視頻開關(guān) IC SPST/SPDT A/V Switch RoHS:否 制造商:Texas Instruments 開關(guān)數(shù)量:4 開啟電阻（最大值）:12 Ohms 傳播延遲時間: 開啟時間（最大值）: 關(guān)閉時間（最大值）: 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:WQFN-42 封裝:Reel |
| MAX4584EUB-T | 功能描述:多路器開關(guān) IC RoHS:否 制造商:Texas Instruments 通道數(shù)量:1 開關(guān)數(shù)量:4 開啟電阻（最大值）:7 Ohms 開啟時間（最大值）: 關(guān)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 |
| MAX4585EUB | 功能描述:多路器開關(guān) IC RoHS:否 制造商:Texas Instruments 通道數(shù)量:1 開關(guān)數(shù)量:4 開啟電阻（最大值）:7 Ohms 開啟時間（最大值）: 關(guān)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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