13715-808-XTD datasheet, PDF - EEWORLD Datasheet

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13715-808-XTD: Description300MHz, OTHER CLOCK GENERATOR, PDSO16, 5.30 MM, GREEN, SSOP-16; CategoryThe embedded processor and controller Microcontrollers and processors; File Size583KB，19 Pages; ManufacturerON Semiconductor; Websitehttp://www.onsemi.cn; Environmental Compliance

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13715-808-XTD Overview

300MHz, OTHER CLOCK GENERATOR, PDSO16, 5.30 MM, GREEN, SSOP-16

13715-808-XTD Parametric

Parameter Name	Attribute value
Is it Rohs certified?	conform to
Parts packaging code	SOIC
package instruction	5.30 MM, GREEN, SSOP-16
Contacts	16
Reach Compliance Code	compliant
ECCN code	EAR99
Is Samacsys	N
JESD-30 code	R-PDSO-G16
JESD-609 code	e3
length	6.2 mm
Humidity sensitivity level	2
Number of terminals	16
Maximum operating temperature	70 °C
Minimum operating temperature
Maximum output clock frequency	300 MHz
Package body material	PLASTIC/EPOXY
encapsulated code	SSOP
Package shape	RECTANGULAR
Package form	SMALL OUTLINE, SHRINK PITCH
Master clock/crystal nominal frequency	80 MHz
Certification status	Not Qualified
Maximum seat height	1.99 mm
Maximum supply voltage	3.6 V
Minimum supply voltage	3 V
Nominal supply voltage	3.3 V
surface mount	YES
technology	CMOS
Temperature level	COMMERCIAL
Terminal surface	Tin (Sn)
Terminal form	GULL WING
Terminal pitch	0.65 mm
Terminal location	DUAL
width	5.29 mm
uPs/uCs/peripheral integrated circuit type	CLOCK GENERATOR, OTHER
Base Number Matches	1

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FS714x Programmable Phase-Locked Loop Clock Generator

Data Sheet

1.0 Key Features

•

Extremely flexible and low-jitter phase locked loop (PLL) frequency synthesis

No external loop filter components needed

150MHz CMOS or 340MHz PECL outputs

Completely configurable via I C™-bus

Up to four FS714x can be used on a single I

C-bus

3.3V operation

Independent on-chip crystal oscillator and external reference input

Very low “cumulative” jitter

2.0 Description

The FS714x (FS7140x or FS7145x) is a monolithic CMOS clock generator/regenerator IC designed to minimize cost and component

count in a variety of electronic systems. Via the I C-bus interface, the FS714x can be adapted to many clock generation requirements.

The length of the reference and feedback dividers, their fine granularity and the flexibility of the post divider make the FS714x the most

flexible stand-alone PLL clock generator available.

Figure 1: Pin Configuration: 16-pin (0.150") SOIC, 16-pin (5.3mm) SSOP

3.0 Applications

•

Precision frequency synthesis

Low-frequency clock multiplication

Video line-locked clock generation

Laser beam printers (FS7145)

AMI Semiconductor

– Dec, 2007 – Rev. 4.0

www.amis.com

Specifications subject to change without notice

FS714x Programmable Phase-Locked Loop Clock Generator

Data Sheet

4.1.1. Reference Divider

The reference divider is designed for low phase jitter. The divider accepts the output of either the crystal oscillator circuit or an external

reference frequency. The reference divider is a 12 bit divider, and can be programmed for any modulus from 1 to 4095 (divide by 1 not

available on date codes prior to 0108).

4.1.2. Feedback Divider

The feedback divider is based on a dual-modulus divider (also called dual-modulus prescaler) technique. It permits division by any

integer value between 12 and 16383. Simply program the FBKDIV register with the binary equivalent of the desired modulus. Selected

moduli below 12 are also permitted. Moduli of: 4, 5, 8, 9, and 10 are also allowed (4 and 5 are not available on date codes prior to

0108).

4.1.3. Post Divider

The post divider consists of three individually programmable dividers, as shown in Figure 3.

Figure 3: Post Divider

The moduli of the individual dividers are denoted as N

, N

and N

, and together they make up the array modulus N

= N

x N

The post divider performs several useful functions. First, it allows the VCO to be operated in a narrower range of speeds compared to

the variety of output clock speeds that the device is required to generate. Second, the extra integer in the denominator permits more

flexibility in the programming of the loop for many applications where frequencies must be achieved exactly.

Note that a nominal 50/50 duty factor is always preserved (even for selections which have an odd modulus).

See Table 8 for additional information.

4.1.4. Crystal Oscillator

The FS7140 is equipped with a Pierce-type crystal oscillator. The crystal is operated in parallel resonant mode. Internal load

capacitance is provided for the crystal. While a recommended load capacitance for the crystal is specified, crystals for other standard

load capacitances may be used if great precision of the reference frequency (100ppm or less) is not required.

4.1.5. Reference Divider Source MUX

The source of frequency for the reference divider can be chosen to be the device crystal oscillator or the REF pin by the REFDSRC bit.

AMI Semiconductor

– Dec, 2007 – Rev. 4.0

www.amis.com

Specifications subject to change without notice

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