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| 型号： | MAX9675ECQ+ |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 8/27页 |
| 文件大小： | 0K |
| 描述： | IC CROSSPOINT SWIT 16X16 100TQFP |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 90 |
| 功能： | 交叉点开关 |
| 电路： | 1 x 16:16 |
| 电压电源： | 单电源 |
| 电压 - 电源，单路/双路(±)： | 2.7 V ~ 5.5 V |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 100-TQFP |
| 供应商设备封装： | 100-TQFP（14x14） |
| 包装： | 管件 |
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MAX9675
110MHz, 16 x 16 Video Crosspoint
Switch with Programmable Gain
16
______________________________________________________________________________________
Switch Matrix
The MAX9675 has 256 individual T-switches making a
16 x 16 switch matrix. The switching matrix is 100%
nonblocking, which means that any input may be rout-
ed to any output. The switch matrix programming is
output referred. Each output may be connected to any
one of the 16 analog inputs. Any one input can be rout-
ed to all 16 outputs with no signal degradation.
Digital Interface
The digital interface consists of the following pins: DIN,
DOUT, SCLK, AOUT, UPDATE, CE, A3–A0, MODE, and
RESET. DIN is the serial-data input; DOUT is the serial-
data output. SCLK is the serial-data clock that clocks
data into the Data Input registers (Figure 2). Data at
DIN is loaded at each falling edge of SCLK. DOUT is
the data shifted out of the 96-bit Complete Matrix Mode
(Mode = 1). DIN passes directly to DOUT when in
Individual Output Address Mode (Mode = 0).
The falling edge of UPDATE latches the data and pro-
grams the matrix. When using Individual Output
Address Mode, the address recognition output AOUT
drives low when control word bits D13 to D10 match
the address programming inputs (A3–A0) and UPDATE
is low. Table 1 is the operation truth table.
Programming the Matrix
The MAX9675 offers two programming modes:
Individual Output Address Mode and Complete Matrix
Mode. These two distinct programming modes are
selected by toggling a single MODE pin high or low.
Both modes operate with the same physical board lay-
out. This flexibility allows initial programming of the IC
by daisy-chaining and sending one long data word
while still being able to address immediately and
update individual outputs in the matrix.
Individual Output Address Mode (MODE = 0)
Drive MODE to logic-low to select mode 0. Individual
outputs are programmed through the serial interface
CE
UPDATE
SCLK
DIN
DOUT
MODE
AOUT
RESET
OPERATION/COMMENTS
1
X
1
No change in logic.
01
↓
Di
Di-96
11
1
Data at DIN is clocked on the negative
edge of the SCLK into the 96-bit
Complete Matrix Mode register. DOUT
supplies original data in 96 SCLK
pulses later.
00
X
1
Data in the serial 96-bit Complete
Matrix Mode register is transferred
into parallel latches that control the
switching matrix.
01
↓
Di
01
1
Data at DIN is routed to the Individual
Output Address Mode shift register.
DIN is also connected directly to
DOUT so that all devices on the serial
bus may be addressed in parallel.
00
X
Di
00
1
The 4-bit chip address A3 to A0 is
compared to D13 to D10. If equal, the
remaining 10 bits in the Individual
Output Address Mode register are
decoded, allowing reprogramming for
a single output. AOUT signals a
successful individual matrix update.
X
XXX
0
Asynchronous reset. All outputs are
disabled. Other logic remains
unchanged.
Table 1. Operation Truth Table
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX9675ECQ/GH9 | 制造商:Maxim Integrated Products 功能描述:110MHZ, 16 X 16 VIDEO CROSSPOINT SWITCH WITH PROGRAMMABLE GA - Rail/Tube |
| MAX9675ECQ+ | 功能描述:视频开关 IC Video Crosspoint Switch 110MHz RoHS:否 制造商:Texas Instruments 开关数量:4 开启电阻（最大值）:12 Ohms 传播延迟时间: 开启时间（最大值）: 关闭时间（最大值）: 最大工作温度:+ 85 C 最小工作温度:- 40 C 封装 / 箱体:WQFN-42 封装:Reel |
| MAX9675ECQ+D | 制造商:Maxim Integrated Products 功能描述:VIDEO CROSSPOINT SWITCH 110MHZ 16 - Rail/Tube |
| MAX9675ECQ+T | 功能描述:视频开关 IC Video Crosspoint Switch 110MHz RoHS:否 制造商:Texas Instruments 开关数量:4 开启电阻（最大值）:12 Ohms 传播延迟时间: 开启时间（最大值）: 关闭时间（最大值）: 最大工作温度:+ 85 C 最小工作温度:- 40 C 封装 / 箱体:WQFN-42 封装:Reel |
| MAX9675EVKIT+ | 功能描述:交换机 IC 开发工具 MAX9675 Eval Kit RoHS:否 制造商:Maxim Integrated 产品:Evaluation Kits 类型:USB Power Switches 工具用于评估:MAX4984E 工作电源电压:2.8 V to 5.5 V |
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