ASM3P2863AG-06OR datasheet, PDF

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ASM3P2863AG-06OR: DescriptionLow Power Peak EMI Reducing Solution; CategoryThe embedded processor and controller Microcontrollers and processors; File Size388KB，11 Pages; ManufacturerPulseCore Semiconductor Corporation

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ASM3P2863AG-06OR Overview

Low Power Peak EMI Reducing Solution

ASM3P2863AG-06OR Parametric

Parameter Name	Attribute value
Maker	PulseCore Semiconductor Corporation
package instruction	GREEN, TSOT-23, 6 PIN
Reach Compliance Code	unknow
Other features	ALSO OPERATES AT 3.3V SUPPLY
JESD-30 code	R-PDSO-G6
length	2.9 mm
Number of terminals	6
Maximum operating temperature	70 °C
Minimum operating temperature
Maximum output clock frequency	12 MHz
Package body material	PLASTIC/EPOXY
encapsulated code	VSSOP
Package shape	RECTANGULAR
Package form	SMALL OUTLINE, VERY THIN PROFILE, SHRINK PITCH
Master clock/crystal nominal frequency	12 MHz
Certification status	Not Qualified
Maximum seat height	1 mm
Maximum supply voltage	2.625 V
Minimum supply voltage	2.375 V
Nominal supply voltage	2.5 V
surface mount	YES
technology	CMOS
Temperature level	COMMERCIAL
Terminal form	GULL WING
Terminal pitch	0.95 mm
Terminal location	DUAL
width	1.6 mm
uPs/uCs/peripheral integrated circuit type	CLOCK GENERATOR, OTHER

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January 2007

rev 0.3

Low Power Peak EMI Reducing Solution

Features

•

Generates an EMI optimized clock signal at the

output.

Integrated loop filter components.

Operates with a 3.3V /2.5V supply.

Operating current less than 4mA.

Low power CMOS design.

Input frequency : 12MHz

Generates a 1X low EMI spread spectrum clock

of the input frequency.

Frequency deviation:

0.4%(Typ) @ 12MHz

Input Frequency

Available in 6-pin TSOT-23, 8-pin SOIC and 8-

pin TSSOP packages.

ASM3P2863A

The ASM3P2863A uses the most efficient and optimized

modulation profile approved by the FCC and is

implemented by using a proprietary all digital method.

The ASM3P2863A modulates the output of a single PLL

in order to “spread” the bandwidth of a synthesized clock,

and more importantly, decreases 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 frequency generators. Lowering

EMI by increasing a signal’s bandwidth is called ‘spread

spectrum clock generation’.

Applications

The ASM3P2863A is targeted towards all portable

devices with very low power requirements like MP3

players, Notebooks and Digital still cameras.

Product Description

The ASM3P2863A is a versatile spread spectrum

frequency modulator designed specifically for a wide

range of clock frequencies. The ASM3P2863A reduces

electromagnetic interference (EMI) at the clock source,

allowing system wide reduction of EMI of

all clock

dependent signals. The ASM3P2863A allows significant

system cost savings by reducing the number of circuit

board layers ferrite beads, shielding that are traditionally

required to pass EMI regulations.

Key Specifications

Description

Supply voltages

Cycle-to-Cycle Jitter

Output Duty Cycle

Modulation Rate Equation

Frequency Deviation

Specification

= 2.5V / 3.3V

200 pS ( Max)

45/55% (worst case)

/256

0.4 % (Typ) @ 12MHz

Block Diagram

VDD

XIN

XOUT

Crystal

Oscillator

Frequency

Divider

Feedback

Divider

REFOUT

Modulation

PLL

Phase

Detector

Loop

Filter

VCO

Output

Divider

ModOUT

VSS

PulseCore Semiconductor Corporation

1715 S. Bascom Ave Suite 200, Campbell, CA 95008

•

Tel: 408-879-9077

•

Fax: 408-879-9018

www.pulsecoresemi.com

Notice: The information in this document is subject to change without notice.

ASM3P2863AG-06OR Related Products

	ASM3P2863AG-06OR	ASM3P2863A	ASM3P2863AF-06OR	ASM3P2863AF-08TR	ASM3P2863AF-08TT	ASM3P2863AG-08SR
Description	Low Power Peak EMI Reducing Solution	Low Power Peak EMI Reducing Solution	Low Power Peak EMI Reducing Solution	Low Power Peak EMI Reducing Solution	Low Power Peak EMI Reducing Solution	Low Power Peak EMI Reducing Solution
Maker	PulseCore Semiconductor Corporation	-	PulseCore Semiconductor Corporation	PulseCore Semiconductor Corporation	PulseCore Semiconductor Corporation	PulseCore Semiconductor Corporation
package instruction	GREEN, TSOT-23, 6 PIN	-	ROHS COMPLIANT, TSOT-23, 6 PIN	ROHS COMPLIANT, TSSOP-8	ROHS COMPLIANT, TSSOP-8	GREEN, SOIC-8
Reach Compliance Code	unknow	-	unknow	unknow	unknow	unknow
Other features	ALSO OPERATES AT 3.3V SUPPLY	-	ALSO OPERATES AT 3.3V SUPPLY	ALSO OPERATES AT 3.3V SUPPLY	ALSO OPERATES AT 3.3V SUPPLY	ALSO OPERATES AT 3.3V SUPPLY
JESD-30 code	R-PDSO-G6	-	R-PDSO-G6	R-PDSO-G8	R-PDSO-G8	R-PDSO-G8
length	2.9 mm	-	2.9 mm	4.4 mm	4.4 mm	4.9 mm
Number of terminals	6	-	6	8	8	8
Maximum operating temperature	70 °C	-	70 °C	70 °C	70 °C	70 °C
Maximum output clock frequency	12 MHz	-	12 MHz	12 MHz	12 MHz	12 MHz
Package body material	PLASTIC/EPOXY	-	PLASTIC/EPOXY	PLASTIC/EPOXY	PLASTIC/EPOXY	PLASTIC/EPOXY
encapsulated code	VSSOP	-	VSSOP	TSSOP	TSSOP	SOP
Package shape	RECTANGULAR	-	RECTANGULAR	RECTANGULAR	RECTANGULAR	RECTANGULAR
Package form	SMALL OUTLINE, VERY THIN PROFILE, SHRINK PITCH	-	SMALL OUTLINE, VERY THIN PROFILE, SHRINK PITCH	SMALL OUTLINE, THIN PROFILE, SHRINK PITCH	SMALL OUTLINE, THIN PROFILE, SHRINK PITCH	SMALL OUTLINE
Master clock/crystal nominal frequency	12 MHz	-	12 MHz	12 MHz	12 MHz	12 MHz
Certification status	Not Qualified	-	Not Qualified	Not Qualified	Not Qualified	Not Qualified
Maximum seat height	1 mm	-	1 mm	1.1 mm	1.1 mm	1.75 mm
Maximum supply voltage	2.625 V	-	2.625 V	2.625 V	2.625 V	2.625 V
Minimum supply voltage	2.375 V	-	2.375 V	2.375 V	2.375 V	2.375 V
Nominal supply voltage	2.5 V	-	2.5 V	2.5 V	2.5 V	2.5 V
surface mount	YES	-	YES	YES	YES	YES
technology	CMOS	-	CMOS	CMOS	CMOS	CMOS
Temperature level	COMMERCIAL	-	COMMERCIAL	COMMERCIAL	COMMERCIAL	COMMERCIAL
Terminal form	GULL WING	-	GULL WING	GULL WING	GULL WING	GULL WING
Terminal pitch	0.95 mm	-	0.95 mm	0.65 mm	0.65 mm	1.27 mm
Terminal location	DUAL	-	DUAL	DUAL	DUAL	DUAL
width	1.6 mm	-	1.6 mm	3 mm	3 mm	3.91 mm
uPs/uCs/peripheral integrated circuit type	CLOCK GENERATOR, OTHER	-	CLOCK GENERATOR, OTHER	CLOCK GENERATOR, OTHER	CLOCK GENERATOR, OTHER	CLOCK GENERATOR, OTHER

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