Datasheet > 8533AGI-31

8533AGI-31

更新时间： 2024-01-12 19:37:00

品牌	Logo	应用领域
艾迪悌 - IDT		/
页数	文件大小	规格书
16页	966K
描述
Clock Generator

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中文翻译

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技术参数
数据手册

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8533AGI-31 技术参数

是否Rohs认证：	符合	生命周期：	Obsolete
Reach Compliance Code：	compliant	ECCN代码：	EAR99
HTS代码：	8542.39.00.01	风险等级：	5.81
Base Number Matches：	1

8533AGI-31 数据手册

ICS8533I-31

LOW SKEW, 1-TO-4, CRYSTAL OSCILLATOR/DIFFERENTIAL-TO- 3.3V LVPECL FANOUT BUFFER

PRELIMINARY

Application Information

Recommendations for Unused Input and Output Pins

Inputs:

Outputs:

LVCMOS Control Pins

LVPECL OUTPUTS

All control pins have internal pull-ups; additional resistance is not

required but can be added for additional protection. A 1kΩ resistor

can be used.

All unused LVPECL outputs can be left floating. We recommend

that there is no trace attached. Both sides of the differential output

pair should either be left floating or terminated.

CLK/nCLK Inputs

For applications not requiring the use of the differential input, both

CLK and nCLK can be left floating. Though not required, but for

additional protection, a 1kΩ resistor can be tied from CLK to

ground.

Crystal Inputs

For applications not requiring the use of the crystal oscillator input,

both XTAL_IN and XTAL_OUT can be left floating. Though not

required, but for additional protection, a 1kΩ resistor can be tied

from XTAL_IN to ground.

Wiring the Differential Input to Accept Single-Ended Levels

Figure 2 shows how the differential input can be wired to accept

single-ended levels. The reference voltage V_REF = V_CC/2 is

generated by the bias resistors R1, R2 and C1. This bias circuit

should be located as close as possible to the input pin. The ratio of

R1 and R2 might need to be adjusted to position the V_REF in the

center of the input voltage swing. For example, if the input clock

swing is only 2.5V and V_CC= 3.3V, V_REF should be 1.25V and

V_DD

Single Ended Clock Input

R2/R1 = 0.609.

CLK

V_REF

nCLK

0.1u

Figure 2. Single-Ended Signal Driving Differential Input

IDT™ / ICS™ 3.3V LVPECL FANOUT BUFFER

ICS8533AGI-31 REV. A DECEMBER 13, 2007

1...5 6 789 10 11...16

中文翻译

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