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SN75ALS085DWRE4

SN75ALS085DWRE4
Mfr. #:
SN75ALS085DWRE4
描述:
Ethernet ICs Dual Driver Receiver
生命周期:
制造商新产品。
数据表:
SN75ALS085DWRE4 数据表
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SN75ALS085DWRE4 更多信息 SN75ALS085DWRE4 Product Details
产品属性
属性值
制造商：
德州仪器
产品分类：
以太网 IC
RoHS：
Y
产品：
以太网收发器
收发器数量：
2 Transceiver
接口类型：
IEEE-802.3
最低工作温度：
0 C
最高工作温度：
+ 70 C
安装方式：
贴片/贴片
包装/案例：
SOIC-24
打包：
卷轴
高度：
2.35 mm
长度：
15.4 mm
宽度：
7.52 mm
品牌：
德州仪器
产品类别：
以太网 IC
出厂包装数量：
1
子类别：
通信和网络 IC
单位重量：
0.022025 oz
Tags
SN75ALS085DWR, SN75ALS085D, SN75ALS08, SN75ALS0, SN75AL, SN75A, SN75, SN7
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Step1: Vacuum Packaging with PL
Step1:
Vacuum Packaging with PL
Step2: Anti-Static Bag
Step2:
Anti-Static Bag
Step3: Packaging Boxes
Step3:
Packaging Boxes
***ser
Line Circuit Interface ICs Dual Driver Receiver
*** Stop Electro
Line Transceiver, 2 Func, 2 Driver, 2 Rcvr, BIPolar, PDSO24
***i-Key
IC DRVR/RCVR DUAL INTRFAC 24SOIC
***as Instruments
The SN75ALS085 is a high-speed, advanced low-power Schottky, dual-channel driver/receiver device designed for use in the AUI of ANSI/IEEE Std 802.3-1988. The two drivers on the device drive a 78- balanced, terminated twisted-pair transmission line up to a maximum length of 50 meters. In the off (idle) state, the drivers maintain minimal differential output voltage on the twisted-pair line and, at the same time, remain within the required output common-mode range. With the driver enable (TXEN) high, upon receiving the first falling edge into the driver input, the differential outputs rise to full-amplitude output levels within 25 ns. The output amplitude is maintained for the remainder of the packet. After the last positive packet edge is transmitted into the driver, the driver maintains a minimum of 70% full differential output for a minimum of 200 ns, then decays to a minimum level for the reset (idle) condition within 8 us. Disabling the driver by taking the driver enable low also forces the output into the idle condition after the normal 8-us timeout. While operating, the drivers are able to withstand a set of fault conditions and not suffer damage due to the faults being applied. The drivers power up in the idle state to ensure that no activity is placed on the twisted-pair cable, which could be interpreted as network traffic. The line receiver squelch function interfaces to a differential twisted-pair line terminated external to the device. The receiver squelch circuit allows differential receive signals to pass through, as long as the input amplitude and pulse duration are greater than the minimum squelch threshold. This ensures a good signal-to-noise ratio while the data path is active and prevents system noise from causing false data transitions during line shutdown and line-idle conditions. The receiver outputs (RXO) default to a high level and the receiver-enable (RXEN) outputs default to a low level while the squelch function is blocking the data path through the receiver (idle). The line receiver squelch becomes active within 50 ns when the input squelch threshold is exceeded. RXEN is driven high when the squelch circuit allows data to pass through the receiver. The receiver squelch circuit also can withstand a set of fault conditions while operating, without causing permanent damage to the device. The purpose of the loop functions is to provide a means by which system data-path verification can be done to isolate faulty interfaces and assist in network diagnosis. The LOOP pins are TTL compatible and must be held high for normal operation. When LOOP1\ is taken low, the output of driver 1 (TXO1) immediately goes into the idle state. Also, the input to receiver 1 is ignored, and a path from a transmit input (TXI1) to RXO1 is established. When LOOP1\ is taken back high, driver 1 and receiver 1 revert back to their normal operation. When LOOP2\ is taken low, a similar data path is established between TXI1 and RXO2. TXEN1 must be high for the loop functions to operate, and TXEN1 can be used to gate the loop function if desired. During loop operation, the respective RXEN reflects the status of TXEN1. The SN75ALS085 is characterized for operation from 0C to 70C.
型号 描述 库存 价格
SN75ALS085DWRE4
DISTI # SN75ALS085DWRE4-ND		IC DRVR/RCVR DUAL INTRFAC 24SOIC
RoHS: Compliant
Min Qty: 2000
Container: Tape & Reel (TR)		Limited Supply - Call
    SN75ALS085DWRE4
    DISTI # 595-SN75ALS085DWRE4    		Ethernet ICs Dual Driver Receiver
    RoHS: Compliant    		0
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      可用性
      库存:
      Available
      订购:
      2500
      输入数量:
      SN75ALS085DWRE4的当前价格仅供参考，如果您想获得最优惠的价格，请提交查询或直接发送电子邮件至我们的销售团队[email protected]
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