GS1560A データシートの表示（PDF） - Gennum -> Semtech

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GS1560A

HD-LINX® II Dual-Rate Deserializer

Gennum -> Semtech 

Table 1-1: Pin Descriptions (Continued)

Pin

Number

75

Name

VCO_GND

76

VCO_VCC

77

LF

78

CP_CAP

79

LB_CONT

80

CP_GND

Timing

Type Description

–

–

Analog

Analog

Analog

–

Output

Power

Ground reference for the external voltage controlled oscillator.

Connect to pins 2, 4, 6, and 8 of the GO1555/GO1525*. This pin is an

output.

Should be isolated from all other grounds.

*For new designs use GO1555

Output

Power

Power supply for the external voltage controlled oscillator. Connect to

pin 7 of the GO1555/GO1525*. This pin is an output.

Should be isolated from all other power supplies.

*For new designs use GO1555

Output Control voltage to external voltage controlled oscillator. Nominally

+1.25V DC.

Input

PLL lock time constant capacitor connection. Normally connected to

VCO_GND through 2.2nF.

Input

Control voltage to set the loop bandwidth of the integrated reclocker.

Normally connected to VCO_GND through 40kΩ.

Power Ground connection for the charge pump. Connect to analog GND.

GS1560A/GS1561 HD-LINX® II Dual-Rate Deserializer

Data Sheet

27360 - 12

June 2009

18 of 79

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