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844251BG-14T

更新时间： 2024-02-24 07:34:23

品牌	Logo	应用领域
艾迪悌 - IDT		时钟发生器
页数	文件大小	规格书
16页	801K
描述
FEMTOCLOCK™ CRYSTAL-TO-LVDS CLOCK GENERATOR

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数据手册

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844251BG-14T 数据手册

ICS844251-14

FEMTOCLOCK™CRYSTAL-TO-LVDS CLOCK GENERATOR

AC Electrical Characteristics

Table 5A. AC Characteristics, V_DD= 3.3V 5%, T_A= 0°C to 70°C

Parameter Symbol

Test Conditions

FREQ_SEL = 0

FREQ_SEL = 1

Minimum Typical Maximum Units

145

580

187.5

750

MHz

f_OUT

Output Frequency

156.25MHz,

Integration Range: 1.875MHz – 20MHz

0.53

0.45

RMS Phase Jitter, Random;

NOTE 1

tjit(Ø)

625MHz,

Integration Range: 1.875MHz – 20MHz

t_R/ t_F

odc

Output Rise/Fall Time

Output Duty Cycle

20% to 80%

FREQ_SEL = 0

FREQ_SEL = 1

550

NOTE: Electrical parameters are guaranteed over the specified ambient operating temperature range, which is established when the

device is mounted in a test socket with maintained transverse airflow greater than 500 lfpm. The device will meet specifications after

thermal equilibrium has been reached under these conditions.

NOTE 1: Please refer to Phase Noise Plots.

Table 5B. AC Characteristics, V_DD= 2.5V 5%, T_A= 0°C to 70°C

Parameter Symbol

Test Conditions

FREQ_SEL = 0

FREQ_SEL = 1

Minimum Typical Maximum Units

145

580

187.5

750

MHz

f_OUT

Output Frequency

156.25MHz,

Integration Range: 1.875MHz – 20MHz

0.54

0.45

RMS Phase Jitter, Random;

NOTE 1

tjit(Ø)

625MHz,

Integration Range: 1.875MHz – 20MHz

t_R/ t_F

odc

Output Rise/Fall Time

Output Duty Cycle

20% to 80%

FREQ_SEL = 0

FREQ_SEL = 1

550

NOTE: Electrical parameters are guaranteed over the specified ambient operating temperature range, which is established when the

device is mounted in a test socket with maintained transverse airflow greater than 500 lfpm. The device will meet specifications after

thermal equilibrium has been reached under these conditions.

NOTE 1: Please refer to Phase Noise Plots.

IDT™ / ICS™ LVDS CLOCK GENERATOR

ICS844251BG-14 REV. A MAY 1, 2009

1 2 3 456 7 8...16

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