参数资料
型号: DS21Q50LN
厂商: Maxim Integrated Products
文件页数: 10/87页
文件大小: 0K
描述: IC TRANSCEIVER E1 QD IND 100LQFP
产品培训模块: Lead (SnPb) Finish for COTS
产品变化通告: Product Discontinuation 20/Feb/2012
标准包装: 90
功能: 收发器
接口: E1
电路数: 4
电源电压: 3.14 V ~ 3.47 V
电流 - 电源: 230mA
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 100-LQFP
供应商设备封装: 100-LQFP(14x14)
包装: 托盘
包括: AIS 警报检测器和发生器,回送功能,PRBS 发生器 / 检测器,远程检测器和发生器
DS21Q50
18 of 87
Signal Name:
ICES
Signal Description:
Input Clock Edge Select
Signal Type:
Input
Used to select which SCLK clock edge samples data at SDI.
Signal Name:
OCES
Signal Description:
Output Clock Edge Select
Signal Type:
Input
Used to select which SCLK clock edge updates data at SDO.
Signal Name:
SCLK
Signal Description:
Serial Port Clock
Signal Type:
Input
Used to clock data into and out of the serial port.
2.1.6 Line Interface Pins
Signal Name:
MCLK
Signal Description:
Master Clock Input
Signal Type:
Input
A 2.048MHz (±50ppm) clock source with TTL levels is applied at this pin. This clock is used internally for both
clock/data recovery and for jitter attenuation.
Signal Name:
RTIP and RRING
Signal Description:
Receive Tip and Ring
Signal Type:
Input
Analog inputs for clock recovery circuitry. These pins connect through a 1:1 transformer to the E1 line. See Section
16 for details.
Signal Name:
TTIP and TRING
Signal Description:
Transmit Tip and Ring
Signal Type:
Output
Analog line driver outputs. These pins connect through a 1:2 step-up transformer to the E1 line. See Section 16 for
details.
2.1.7 Supply Pins
Signal Name:
DVDD
Signal Description:
Digital Positive Supply
Signal Type:
Supply
3.3V ±5%. Should be tied to the RVDD and TVDD pins.
Signal Name:
RVDD
Signal Description:
Receive Analog Positive Supply
Signal Type:
Supply
3.3V ±5%. Should be tied to the DVDD and TVDD pins.
Signal Name:
TVDD
Signal Description:
Transmit Analog Positive Supply
Signal Type:
Supply
3.3V ±5%. Should be tied to the RVDD and DVDD pins.
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