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参数资料
| 型号： | MAX4357ECD+TD |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 25/42页 |
| 文件大小： | 0K |
| 描述： | IC VIDEO CROSSPOINT SWIT 128TQFP |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 250 |
| 功能： | 视频交叉点开关 |
| 电路： | 1 x 32:16 |
| 电压电源： | 单/双电源 |
| 电压 - 电源，单路/双路(±)： | 5V，± 3 V ~ 5 V |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 128-LQFP |
| 供应商设备封装： | 128-LQFP（14x20） |
| 包装： | 带卷 (TR) |
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MAX4357
32 x 16 Nonblocking Video Crosspoint Switch
with I/O Buffers
______________________________________________________________________________________
31
Individual Output Address Mode (MODE = 0)
Drive MODE to logic low to select Mode 0. Individual
outputs are programmed via the serial interface with a
single 16-bit control word. The control word consists of
a don’t care MSB, the chip address bits, output
address bits, an output enable/disable bit, an output
gain-set bit, and input address bits (Table 2 through
Table 6, and Figure 2).
In Mode 0, data at DIN passes directly to DOUT
through the data routing gate (Figure 3). In this configu-
ration, the 16-bit control word is simultaneously sent to
all chips in an array of up to 16 addresses.
Complete Matrix Mode (MODE = 1)
Drive MODE to logic high to select Mode 1. A single
112-bit control word, consisting of sixteen 7-bit control
words, programs all outputs. The 112-bit control word’s
first 7-bit control word (MSBs) programs output 15, and
the last 7-bit control word (LSBs) programs output 0
(Table 7 and Figures 4 and 5). Data clocked into the
112-bit Complete Matrix Mode register is latched on the
falling edge of UPDATE, and the outputs are immedi-
ately updated.
Initialization String
Complete Matrix Mode (Mode = 1) is convenient for
programming the matrix at power-up. In a large matrix
consisting of many MAX4357s, all the devices can be
programmed by sending a single bit stream equal to n
x 112 bits where n is the number of MAX4357 devices
on the bus. The first 112-bit data word programs the
last MAX4357 in line (see
Matrix Programming section).
RESET
The MAX4357 features an asynchronous bidirectional
RESET with an internal 20kΩ pullup resistor to VDD.
When RESET is pulled low either by internal circuitry, or
16-BIT INDIVIDUAL OUTPUT
ADDRESS MODE REGISTER
112-BIT COMPLETE MATRIX MODE REGISTER
OUTPUT ADDRESS DECODE
MODE
DATA
ROUTING
GATE
A
B
S
MODE
SWITCH MATRIX
OUTPUT ENABLE
DOUT
SWITCH DECODE
DIN
SCLK
MODE
CE
SCLK
MODE
CE
UPDATE
EN
A0–A3
CHIP ADDRESS
AOUT
4
11
7
112
1
7
112
512
16
112-BIT PARALLEL LATCH
Figure 2. Serial Interface Block Diagram
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX4358ECE | 功能描述:视频开关 IC 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 |
| MAX4358ECE+ | 功能描述:视频开关 IC 32x16 Nonblocking Video Crx Switch 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 |
| MAX4358ECE+D | 功能描述:视频开关 IC 32x16 Nonblocking Video Crx Switch 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 |
| MAX4358ECE+T | 功能描述:视频开关 IC 32x16 Nonblocking Video Crx Switch 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 |
| MAX4358ECE+TD | 功能描述:视频开关 IC 32x16 Nonblocking Video Crx Switch 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 |
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