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參數(shù)資料
| 型號： | CS8952-IQZ |
| 廠商： | Cirrus Logic Inc |
| 文件頁數(shù)： | 66/81頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC TXRX 100/10 PHY 100TQFP |
| 標(biāo)準(zhǔn)包裝： | 90 |
| 類型： | 收發(fā)器 |
| 規(guī)程： | MII |
| 電源電壓： | 4.75 V ~ 5.25 V |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 100-LQFP |
| 供應(yīng)商設(shè)備封裝： | 100-TQFP（14x14） |
| 包裝： | 托盤 |
| 產(chǎn)品目錄頁面： | 759 (CN2011-ZH PDF) |
| 其它名稱： | 598-1208 |
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CS8952
CrystalLAN 100BASE-X and 10BASE-T Transceiver
69
DS206F1
In order to conform with Annex 22B of the IEEE 802.3u specification, the MII_DRV pin should be pulled
high during power-up or reset, and the RX_CLK pin should have an external 33
series resistor. For
systems not required to drive external connectors and cables as described in the IEEE802.3u
specification, the external series resistor may not be necessary.
RX_DV/MII_DRV - Receive Data Valid/MII Drive Strength. Input/Tri-State Output, Pin 33.
Asserted high to indicate valid data nibbles are present on RXD[3:0].
At power-up or at reset, this pin is used as an input to determine the drive strength of the MII output
drivers. When the pin is low, all MII output drivers will be standard 4 mA CMOS drivers. When high,
additional drive strength will be added to the MII output drivers. This pin includes a weak internal pull-
down (> 20 k
), or the value may be set by an external 4.7 k pull-up or pull-down resistor.
In order to conform with Annex 22B of the IEEE 802.3u specification, this pin should be pulled high
during power-up or reset and should have an external 33
series resistor. For systems not required to
drive external connectors and cables as described in the IEEE802.3u specification, it may be possible to
reduce overall power consumption by pulling the pin low at power-up or reset, and the external series
resistor may not be necessary.
RX_EN - Receive Enable. Input, Pin 14.
When high, signals RXD[3:0], RX_CLK, RX_DV, and RX_ER are enabled. When low, these signals are
tri-stated. RX_EN allows the received data signals of multiple PHY transceivers to share the same MII
bus.
This pin includes a weak internal pull-up (> 150 k
), or the value may be set by an external 10 k pull-
up or pull-down resistor.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| CS8952-IQZR | 功能描述:以太網(wǎng) IC IC 100BASE-TX and 10BASE-T Transceiver RoHS:否 制造商:Micrel 產(chǎn)品:Ethernet Switches 收發(fā)器數(shù)量:2 數(shù)據(jù)速率:10 Mb/s, 100 Mb/s 電源電壓-最大:1.25 V, 3.45 V 電源電壓-最小:1.15 V, 3.15 V 最大工作溫度:+ 85 C 封裝 / 箱體:QFN-64 封裝:Tray |
| CS8952T | 制造商:CIRRUS 制造商全稱:Cirrus Logic 功能描述:100BASE E-X AND 10BASE-T TRANSCEIVER |
| CS8952T-CQ | 制造商:CIRRUS 制造商全稱:Cirrus Logic 功能描述:100BASE E-X AND 10BASE-T TRANSCEIVER |
| CS8952T-IQ | 制造商:CIRRUS 制造商全稱:Cirrus Logic 功能描述:100BASE E-X AND 10BASE-T TRANSCEIVER |
| CS8952T-IQR | 制造商:Cirrus Logic 功能描述:ETHERNET TXRX SGL CHIP 1-PORT 5V 10MBPS/100MBPS 100TQFP - Tape and Reel |
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