Datasheet > ASM3I2110AF-20-JT

ASM3I2110AF-20-JT

更新时间： 2022-12-01 20:14:54

品牌	Logo	应用领域
PULSECORE		光电二极管
页数	文件大小	规格书
8页	311K
描述
Clock Generator, 51MHz, CMOS, PDSO20, 0.150 INCH, LEAD FREE, SSOP-20

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ASM3P2110A

November 2003

rev 1.1

electromagnetic interference (EMI) at the clock source.

The ASM3P2110A allows significant system cost savings

by reducing the number of circuit board layers and

shielding that are required to pass EMI regulations. The

ASM3P2110A modulates the output of PLL in order to

spread the bandwidth of a synthesized clock, thereby

decreasing the peak amplitudes of its harmonics. This

results in significantly lower system EMI compared to the

typical narrow band signal produced by oscillators and

most clock generators. Lowering EMI by increasing a

signal’s bandwidth is called spread spectrum clock

generation.

Features

Generates an EMI optimized clocking

signal at output.

Input frequency – 12.75 MHz.

Output Frequency – 51 MHz (modulated)

Frequency Deviation: ±1%.

Modulation Rate: 30 KHz.

Supply voltage range 3.3V.

Available in commercial and industrial

temperature ranges.

Available in 20-pin 150-mil SSOP package.

Product Description

The ASM3P2110A is

a versatile spread spectrum

frequency modulator. The ASM3P2110A reduces

Block Diagram

V_DD

XIN

Crystal

Oscillator

PLL

ClockOut

(51MHz)

XOUT

Output

Buffer

REFOUT

SSON

V_SS

Alliance Semiconductor

2575 Augustine Drive • Santa Clara CA • Tel: 408-855-4900 • Fax: 408-855-4999 • www.alsc.com

12 3 4 5 6 7 8

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