参数资料
型号: CS8952-IQZ
厂商: Cirrus Logic Inc
文件页数: 75/81页
文件大小: 0K
描述: IC TXRX 100/10 PHY 100TQFP
标准包装: 90
类型: 收发器
规程: MII
电源电压: 4.75 V ~ 5.25 V
安装类型: 表面贴装
封装/外壳: 100-LQFP
供应商设备封装: 100-TQFP(14x14)
包装: 托盘
产品目录页面: 759 (CN2011-ZH PDF)
其它名称: 598-1208
CS8952
CrystalLAN 100BASE-X and 10BASE-T Transceiver
77
DS206F1
TXSLEW[1:0] - Transmit Slew Rate Control. Input, Pins 61 and 60.
These three-level pins allow adjustment to the rise and fall times of the 10BASE-TX transmitter output
waveform. The rise and fall times are symmetric.
Media Interface Pins
RX+, RX- - 10/100 Receive. Differential Input Pair, Pins 91 and 92.
Differential input pair receives 10 or 100 Mb/s data from the receive port of the transformer primary.
TX+, TX- - 10/100 Transmit. Differential Output Pair, Pins 80 and 81.
Differential output pair drives 10 or 100 Mb/s data to the transmit port of the transformer primary.
RX_NRZ+, RX_NRZ- - FX Receive. Differential Input Pair, Pins 6 and 7.
PECL output pair receives 100 Mb/s NRZI-encoded data from an external optical module.
SIGNAL+, SIGNAL- - Signal Detect. Differential Input Pair, Pins 9 and 8.
PECL input pair receives signal detection indication from an external optical module.
TX_NRZ+, TX_NRZ- - FX Transmit. Differential Output Pair, Pins 5 and 4.
PECL output pair drives 100 Mb/s NRZI-encoded data to an external optical module.
General Pins
CLK25 - 25 MHz Clock. Output, Pin 17.
A 25 MHz Clock is output on this pin when the CS8952 is configured to use an external reference
transmit clock in TX_CLK IN MASTER mode. See the pin description for the Transmit Clock Mode
Initialization pin (TCM) for more information on TX_CLK operating modes.
CLK25 may also be enabled regardless of the TCM pin state by clearing bit 7 of the PCS Sub-layer
Configuration Register (address 17h).
RES - Reference Resistor. Input, Pin 86.
This input should be connected to ground with a 4.99 k
+/-1% series resistor. The resistor is needed
for the biasing of internal analog circuits.
TXSLEW0 pin
TXSLEW1 mode
Rise/Fall time
low
0.5 ns
low
floating
1.0 ns
low
high
1.5 ns
floating
low
2.0 ns
floating
2.5 ns
floating
high
3.0 ns
high
low
3.5 ns
high
floating
4.0 ns
high
4.5 ns
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CS8952-IQZR 功能描述:以太网 IC IC 100BASE-TX and 10BASE-T Transceiver RoHS:否 制造商:Micrel 产品:Ethernet Switches 收发器数量:2 数据速率:10 Mb/s, 100 Mb/s 电源电压-最大:1.25 V, 3.45 V 电源电压-最小:1.15 V, 3.15 V 最大工作温度:+ 85 C 封装 / 箱体:QFN-64 封装:Tray
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